JAVA-13870 Move spring-caching,spring-caching-2 to spring-boot-module… (#13457)

* JAVA-13870 Move spring-caching,spring-caching-2 to spring-boot-modules (conti-1)

* JAVA-13870 Making spring boot as the parent for spring-caching and spring caching-2

---------

Co-authored-by: timis1 <noreplay@yahoo.com>
This commit is contained in:
timis1
2023-02-26 18:01:26 +02:00
committed by GitHub
parent 4e89577f19
commit 45790055ba
75 changed files with 10 additions and 13 deletions
+1
View File
@@ -84,6 +84,7 @@
<module>spring-boot-data-2</module>
<module>spring-boot-validation</module>
<module>spring-boot-data-3</module>
<module>spring-caching</module>
</modules>
<dependencyManagement>
@@ -0,0 +1,3 @@
## Relevant articles
- [Spring Boot Cache with Redis](https://www.baeldung.com/spring-boot-redis-cache)
- [Setting Time-To-Live Value for Caching](https://www.baeldung.com/spring-setting-ttl-value-cache)
@@ -0,0 +1,65 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-caching-2</artifactId>
<version>0.1-SNAPSHOT</version>
<name>spring-caching-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung.spring-boot-modules</groupId>
<artifactId>spring-boot-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-commons</artifactId>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-cache</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
<groupId>it.ozimov</groupId>
<artifactId>embedded-redis</artifactId>
<version>${embedded.redis.version}</version>
<exclusions>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
</exclusion>
</exclusions>
<scope>test</scope>
</dependency>
</dependencies>
<properties>
<embedded.redis.version>0.7.3</embedded.redis.version>
</properties>
</project>
@@ -0,0 +1,33 @@
package com.baeldung.caching.redis;
import org.springframework.boot.autoconfigure.cache.RedisCacheManagerBuilderCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import java.time.Duration;
import static org.springframework.data.redis.serializer.RedisSerializationContext.SerializationPair;
@Configuration
public class CacheConfig {
@Bean
public RedisCacheManagerBuilderCustomizer redisCacheManagerBuilderCustomizer() {
return (builder) -> builder
.withCacheConfiguration("itemCache",
RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofMinutes(10)))
.withCacheConfiguration("customerCache",
RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofMinutes(5)));
}
@Bean
public RedisCacheConfiguration cacheConfiguration() {
return RedisCacheConfiguration.defaultCacheConfig()
.entryTtl(Duration.ofMinutes(60))
.disableCachingNullValues()
.serializeValuesWith(SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));
}
}
@@ -0,0 +1,21 @@
package com.baeldung.caching.redis;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import javax.persistence.Entity;
import javax.persistence.Id;
import java.io.Serializable;
@Data
@Entity
@AllArgsConstructor
@NoArgsConstructor
public class Item implements Serializable {
@Id
String id;
String description;
}
@@ -0,0 +1,19 @@
package com.baeldung.caching.redis;
import lombok.AllArgsConstructor;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;
@RestController
@AllArgsConstructor
public class ItemController {
private final ItemService itemService;
@GetMapping("/item/{id}")
public Item getItemById(@PathVariable String id) {
return itemService.getItemForId(id);
}
}
@@ -0,0 +1,6 @@
package com.baeldung.caching.redis;
import org.springframework.data.repository.CrudRepository;
public interface ItemRepository extends CrudRepository<Item, String> {
}
@@ -0,0 +1,19 @@
package com.baeldung.caching.redis;
import lombok.AllArgsConstructor;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;
@Service
@AllArgsConstructor
public class ItemService {
private final ItemRepository itemRepository;
@Cacheable(value = "itemCache")
public Item getItemForId(String id) {
return itemRepository.findById(id)
.orElseThrow(RuntimeException::new);
}
}
@@ -0,0 +1,14 @@
package com.baeldung.caching.redis;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cache.annotation.EnableCaching;
@SpringBootApplication
@EnableCaching
public class RedisCacheApplication {
public static void main(String[] args) {
SpringApplication.run(RedisCacheApplication.class, args);
}
}
@@ -0,0 +1,13 @@
package com.baeldung.caching.ttl;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.scheduling.annotation.EnableScheduling;
@SpringBootApplication
@EnableScheduling
public class CachingTTLApplication {
public static void main(String[] args) {
SpringApplication.run(CachingTTLApplication.class, args);
}
}
@@ -0,0 +1,17 @@
package com.baeldung.caching.ttl.config;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.concurrent.ConcurrentMapCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
@EnableCaching
public class SpringCachingConfig {
@Bean
public CacheManager cacheManager() {
return new ConcurrentMapCacheManager("hotels");
}
}
@@ -0,0 +1,29 @@
package com.baeldung.caching.ttl.controller;
import com.baeldung.caching.ttl.service.HotelService;
import com.baeldung.caching.ttl.model.Hotel;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;
@RestController
@RequestMapping("/hotel")
public class HotelController {
private final HotelService hotelService;
@Autowired
public HotelController(HotelService hotelService) {
this.hotelService = hotelService;
}
@GetMapping
@ResponseStatus(HttpStatus.OK)
public List<Hotel> getAllHotels() {
return hotelService.getAllHotels();
}
}
@@ -0,0 +1,26 @@
package com.baeldung.caching.ttl.exception;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
import java.util.LinkedHashMap;
import java.util.Map;
@ControllerAdvice
public class ControllerAdvisor extends ResponseEntityExceptionHandler {
@ExceptionHandler(ElementNotFoundException.class)
public ResponseEntity<Object> handleNodataFoundException(
ElementNotFoundException ex) {
Map<String, Object> body = new LinkedHashMap<>();
body.put("status", 404);
body.put("error", "Not Found");
body.put("message", ex.getMessage());
return new ResponseEntity<>(body, HttpStatus.NOT_FOUND);
}
}
@@ -0,0 +1,13 @@
package com.baeldung.caching.ttl.exception;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ResponseStatus;
@ResponseStatus(HttpStatus.NOT_FOUND)
public class ElementNotFoundException extends RuntimeException {
private static final long serialVersionUID = -5218143265247846948L;
public ElementNotFoundException(String message) {
super(message);
}
}
@@ -0,0 +1,65 @@
package com.baeldung.caching.ttl.model;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import java.io.Serializable;
import java.util.Objects;
@Entity
public class City implements Serializable {
private static final long serialVersionUID = 3252591505029724236L;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private String name;
private double cityCentreLattitude;
private double cityCentreLongitude;
public City() {}
public City(Long id, String name, double cityCentreLatitude, double cityCentreLongitude) {
this.id = id;
this.name = name;
this.cityCentreLattitude = cityCentreLatitude;
this.cityCentreLongitude = cityCentreLongitude;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public double getCityCentreLatitude() {
return cityCentreLattitude;
}
public double getCityCentreLongitude() {
return cityCentreLongitude;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
City city = (City) o;
if (Double.compare(city.cityCentreLattitude, cityCentreLattitude) != 0) return false;
if (Double.compare(city.cityCentreLongitude, cityCentreLongitude) != 0) return false;
if (!Objects.equals(id, city.id)) return false;
return Objects.equals(name, city.name);
}
}
@@ -0,0 +1,131 @@
package com.baeldung.caching.ttl.model;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import javax.persistence.*;
import java.io.Serializable;
import java.util.Objects;
@Entity
public class Hotel implements Serializable {
private static final long serialVersionUID = 5560221391479816650L;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private String name;
private Double rating;
@ManyToOne(fetch = FetchType.EAGER)
@JsonIgnoreProperties({"hibernateLazyInitializer", "handler"})
private City city;
private String address;
private double lattitude;
private double longitude;
private boolean deleted = false;
public Hotel() {}
public Hotel(
Long id,
String name,
Double rating,
City city,
String address,
double lattitude,
double longitude,
boolean deleted) {
this.id = id;
this.name = name;
this.rating = rating;
this.city = city;
this.address = address;
this.lattitude = lattitude;
this.longitude = longitude;
this.deleted = deleted;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Double getRating() {
return rating;
}
public void setRating(Double rating) {
this.rating = rating;
}
public City getCity() {
return city;
}
public void setCity(City city) {
this.city = city;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public double getLatitude() {
return lattitude;
}
public void setLatitude(double latitude) {
this.lattitude = latitude;
}
public double getLongitude() {
return longitude;
}
public void setLongitude(double longitude) {
this.longitude = longitude;
}
public boolean isDeleted() {
return deleted;
}
public void setDeleted(boolean deleted) {
this.deleted = deleted;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Hotel hotel = (Hotel) o;
if (Double.compare(hotel.lattitude, lattitude) != 0) return false;
if (Double.compare(hotel.longitude, longitude) != 0) return false;
if (deleted != hotel.deleted) return false;
if (!Objects.equals(id, hotel.id)) return false;
if (!Objects.equals(name, hotel.name)) return false;
if (!Objects.equals(rating, hotel.rating)) return false;
if (!Objects.equals(city, hotel.city)) return false;
return Objects.equals(address, hotel.address);
}
}
@@ -0,0 +1,6 @@
package com.baeldung.caching.ttl.repository;
import com.baeldung.caching.ttl.model.City;
import org.springframework.data.jpa.repository.JpaRepository;
public interface CityRepository extends JpaRepository<City, Long> {}
@@ -0,0 +1,19 @@
package com.baeldung.caching.ttl.repository;
import com.baeldung.caching.ttl.model.Hotel;
import org.springframework.data.jpa.repository.JpaRepository;
import java.util.List;
import java.util.Optional;
public interface HotelRepository extends JpaRepository<Hotel, Long> {
default List<Hotel> getAllHotels() {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
return findAll();
}
}
@@ -0,0 +1,35 @@
package com.baeldung.caching.ttl.service;
import com.baeldung.caching.ttl.repository.HotelRepository;
import com.baeldung.caching.ttl.model.Hotel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class HotelService {
private final HotelRepository hotelRepository;
Logger logger = LoggerFactory.getLogger(HotelService.class);
HotelService(HotelRepository hotelRepository) {
this.hotelRepository = hotelRepository;
}
@Cacheable("hotels")
public List<Hotel> getAllHotels() {
return hotelRepository.getAllHotels();
}
@CacheEvict(value = "hotels", allEntries = true)
@Scheduled(fixedRateString = "${caching.spring.hotelListTTL}")
public void emptyHotelsCache() {
logger.info("emptying Hotels cache");
}
}
@@ -0,0 +1,16 @@
package com.baeldung.caching.ttl.service;
import org.springframework.boot.autoconfigure.cache.CacheManagerCustomizer;
import org.springframework.cache.concurrent.ConcurrentMapCacheManager;
import org.springframework.stereotype.Component;
import static java.util.Arrays.asList;
@Component
public class SpringCacheCustomizer implements CacheManagerCustomizer<ConcurrentMapCacheManager> {
@Override
public void customize(ConcurrentMapCacheManager cacheManager) {
cacheManager.setCacheNames(asList("hotels"));
}
}
@@ -0,0 +1,13 @@
spring.datasource.url=jdbc:h2:mem:testdb;DB_CLOSE_ON_EXIT=FALSE
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.username=sa
spring.datasource.password=
# Enabling H2 Console
spring.h2.console.enabled=true
spring.h2.console.path=/h2
spring.jpa.hibernate.ddl-auto=update
#setting cache TTL
caching.spring.hotelListTTL=43200
# Connection details
#spring.redis.host=localhost
#spring.redis.port=6379
@@ -0,0 +1,67 @@
DROP TABLE IF EXISTS ITEM;
create table ITEM
(
ID CHARACTER VARYING not null,
DESCRIPTION CHARACTER VARYING,
constraint ITEM_PK
primary key (ID)
);
DROP TABLE IF EXISTS HOTEL;
DROP TABLE IF EXISTS CITY;
create table CITY
(
id bigint,
name varchar,
city_centre_lattitude double,
city_centre_longitude double,
constraint city_pk
primary key (id)
);
create table hotel
(
id bigint auto_increment,
name varchar,
deleted boolean,
rating double,
city_id bigint,
address varchar,
lattitude varchar,
longitude varchar,
constraint hotel_pk
primary key (id),
constraint "hotel_CITY_null_fk"
foreign key (city_id) references CITY (id)
);
INSERT INTO ITEM VALUES('abc','ITEM1');
INSERT INTO city(id, name, city_centre_lattitude, city_centre_longitude)
VALUES (1, 'Amsterdam', 52.368780, 4.903303);
INSERT INTO city(id, name, city_centre_lattitude, city_centre_longitude)
VALUES (2, 'Manchester', 53.481062, -2.237706);
INSERT INTO hotel(name, deleted, rating, city_id, address, lattitude, longitude)
VALUES ('Monaghan Hotel', false, 9.2, 1, 'Weesperbuurt en Plantage', 52.364799, 4.908971);
INSERT INTO hotel(name, deleted, rating, city_id, address, lattitude, longitude)
VALUES ('The Thornton Council Hotel', false, 6.3, 1, 'Waterlooplein', 52.3681563, 4.9010029);
INSERT INTO hotel(name, deleted, rating, city_id, address, lattitude, longitude)
VALUES ('McZoe Trescothiks Hotel', false, 9.8, 1, 'Oude Stad, Harlem', 52.379577, 4.633547);
INSERT INTO hotel(name, deleted, rating, city_id, address, lattitude, longitude)
VALUES ('Stay Schmtay Hotel', false, 8.7, 1, 'Jan van Galenstraat', 52.3756755, 4.8668628);
INSERT INTO hotel(name, deleted, rating, city_id, address, lattitude, longitude)
VALUES ('Fitting Image Hotel', false, NULL, 1, 'Staatsliedenbuurt', 52.380936, 4.8708297);
INSERT INTO hotel(name, deleted, rating, city_id, address, lattitude, longitude)
VALUES ('Raymond of Amsterdam Hotel', false, NULL, 1, '22 High Avenue', 52.3773989, 4.8846443);
INSERT INTO hotel(name, deleted, rating, city_id, address, lattitude, longitude)
VALUES ('201 Deansgate Hotel', false, 7.3, 2, '201 Deansgate', 53.4788305, -2.2484721);
INSERT INTO hotel(name, deleted, rating, city_id, address, lattitude, longitude)
VALUES ('Fountain Street Hotel', true, 3.0, 2, '35 Fountain Street', 53.4811298, -2.2402227);
INSERT INTO hotel(name, deleted, rating, city_id, address, lattitude, longitude)
VALUES ('Sunlight House', false, 4.3, 2, 'Little Quay St', 53.4785129, -2.2505943);
INSERT INTO hotel(name, deleted, rating, city_id, address, lattitude, longitude)
VALUES ('St Georges House', false, 9.6, 2, '56 Peter St', 53.477822, -2.2462002);
INSERT INTO hotel(name, deleted, rating, city_id, address, lattitude, longitude)
VALUES ('Marriot Bonvoy', false, 9.6, 1, 'Hans Zimmerstraat', 53.477872, -2.2462003);
@@ -0,0 +1,84 @@
package com.baeldung.caching.redis;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
import org.springframework.boot.autoconfigure.cache.CacheAutoConfiguration;
import org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration;
import org.springframework.boot.test.context.TestConfiguration;
import org.springframework.boot.test.mock.mockito.MockBean;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Import;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import redis.embedded.RedisServer;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import java.util.Optional;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
@Import({ CacheConfig.class, ItemService.class })
@ExtendWith(SpringExtension.class)
@ImportAutoConfiguration(classes = { CacheAutoConfiguration.class, RedisAutoConfiguration.class })
@EnableCaching
class ItemServiceCachingIntegrationTest {
private static final String AN_ID = "id-1";
private static final String A_DESCRIPTION = "an item";
@MockBean
private ItemRepository mockItemRepository;
@Autowired
private ItemService itemService;
@Autowired
private CacheManager cacheManager;
@Test
void givenRedisCaching_whenFindItemById_thenItemReturnedFromCache() {
Item anItem = new Item(AN_ID, A_DESCRIPTION);
given(mockItemRepository.findById(AN_ID))
.willReturn(Optional.of(anItem));
Item itemCacheMiss = itemService.getItemForId(AN_ID);
Item itemCacheHit = itemService.getItemForId(AN_ID);
assertThat(itemCacheMiss).isEqualTo(anItem);
assertThat(itemCacheHit).isEqualTo(anItem);
verify(mockItemRepository, times(1)).findById(AN_ID);
assertThat(itemFromCache()).isEqualTo(anItem);
}
private Object itemFromCache() {
return cacheManager.getCache("itemCache").get(AN_ID).get();
}
@TestConfiguration
static class EmbeddedRedisConfiguration {
private final RedisServer redisServer;
public EmbeddedRedisConfiguration() {
this.redisServer = new RedisServer();
}
@PostConstruct
public void startRedis() {
redisServer.start();
}
@PreDestroy
public void stopRedis() {
this.redisServer.stop();
}
}
}
@@ -0,0 +1,43 @@
package com.baeldung.caching.ttl;
import com.baeldung.caching.ttl.repository.HotelRepository;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.jdbc.Sql;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import org.springframework.test.web.servlet.MockMvc;
import static org.hamcrest.Matchers.hasSize;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
@ExtendWith(SpringExtension.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.DEFINED_PORT)
@AutoConfigureMockMvc
@Sql(executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD, scripts = "classpath:data.sql")
@SlowTest
class HotelControllerIntegrationTest {
@Autowired private MockMvc mockMvc;
@Autowired private HotelRepository repository;
@Test
@DisplayName("When all hotels requested then request is successful")
void whenAllHotelsRequested_thenRequestIsSuccessful() throws Exception {
mockMvc
.perform(get("/hotel"))
.andExpect(status().isOk());
}
@Test
@DisplayName("When all hotels are requested then they correct number of hotels is returned")
void whenAllHotelsRequested_thenReturnAllHotels() throws Exception {
mockMvc
.perform(get("/hotel"))
.andExpect(jsonPath("$", hasSize((int) repository.findAll().stream().count())));
}
}
@@ -0,0 +1,4 @@
package com.baeldung.caching.ttl;
public @interface SlowTest {
}
@@ -0,0 +1,15 @@
spring.datasource.url=jdbc:h2:mem:testdb;DB_CLOSE_ON_EXIT=FALSE
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.username=sa
spring.datasource.password=
# Enabling H2 Console
spring.h2.console.enabled=true
spring.h2.console.path=/h2
spring.jpa.hibernate.ddl-auto=update
spring.jpa.show-sql=false
caching.spring.hotelListTTL=43200
# Connection details
#spring.redis.host=localhost
#spring.redis.port=6379
server.port=8000
@@ -0,0 +1,8 @@
### Relevant articles:
- [Introduction To Ehcache](http://www.baeldung.com/ehcache)
- [A Guide To Caching in Spring](http://www.baeldung.com/spring-cache-tutorial)
- [Spring Cache Creating a Custom KeyGenerator](http://www.baeldung.com/spring-cache-custom-keygenerator)
- [Cache Eviction in Spring Boot](https://www.baeldung.com/spring-boot-evict-cache)
- [Using Multiple Cache Managers in Spring](https://www.baeldung.com/spring-multiple-cache-managers)
- [Testing @Cacheable on Spring Data Repositories](https://www.baeldung.com/spring-data-testing-cacheable)
- [Spring Boot Ehcache Example](https://www.baeldung.com/spring-boot-ehcache)
@@ -0,0 +1,83 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-caching</artifactId>
<version>0.1-SNAPSHOT</version>
<name>spring-caching</name>
<packaging>war</packaging>
<parent>
<groupId>com.baeldung.spring-boot-modules</groupId>
<artifactId>spring-boot-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-cache</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
</dependency>
<dependency>
<groupId>javax.cache</groupId>
<artifactId>cache-api</artifactId>
</dependency>
<dependency>
<groupId>org.ehcache</groupId>
<artifactId>ehcache</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.github.ben-manes.caffeine</groupId>
<artifactId>caffeine</artifactId>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.12</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-commons</artifactId>
</dependency>
</dependencies>
<properties>
<ehcache.version>3.5.2</ehcache.version>
</properties>
</project>
@@ -0,0 +1,13 @@
package com.baeldung.cachetest;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
@@ -0,0 +1,10 @@
package com.baeldung.cachetest.config;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Configuration;
@Configuration
@EnableCaching
public class CacheConfig {
}
@@ -0,0 +1,17 @@
package com.baeldung.cachetest.config;
import org.ehcache.event.CacheEvent;
import org.ehcache.event.CacheEventListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class CacheEventLogger implements CacheEventListener<Object, Object> {
private static final Logger log = LoggerFactory.getLogger(CacheEventLogger.class);
@Override
public void onEvent(CacheEvent<? extends Object, ? extends Object> cacheEvent) {
log.info("Cache event {} for item with key {}. Old value = {}, New value = {}", cacheEvent.getType(), cacheEvent.getKey(), cacheEvent.getOldValue(), cacheEvent.getNewValue());
}
}
@@ -0,0 +1,29 @@
package com.baeldung.cachetest.rest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.baeldung.cachetest.service.NumberService;
@RestController
@RequestMapping(path = "/number", produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
public class NumberController {
private final static Logger log = LoggerFactory.getLogger(NumberController.class);
@Autowired
private NumberService numberService;
@GetMapping(path = "/square/{number}")
public String getThing(@PathVariable Long number) {
log.info("call numberService to square {}", number);
return String.format("{\"square\": %s}", numberService.square(number));
}
}
@@ -0,0 +1,23 @@
package com.baeldung.cachetest.service;
import java.math.BigDecimal;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;
@Service
public class NumberService {
private final static Logger log = LoggerFactory.getLogger(NumberService.class);
@Cacheable(value = "squareCache", key = "#number", condition = "#number>10")
public BigDecimal square(Long number) {
BigDecimal square = BigDecimal.valueOf(number)
.multiply(BigDecimal.valueOf(number));
log.info("square of {} is {}", number, square);
return square;
}
}
@@ -0,0 +1,18 @@
package com.baeldung.caching.boot;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cache.annotation.EnableCaching;
//import org.springframework.context.annotation.ComponentScan;
@SpringBootApplication
@EnableCaching
//to run any module like ehcache,caching or multiplecachemanager in local machine
//add it's package for ComponentScan like below
//@ComponentScan("com.baeldung.multiplecachemanager")
public class CacheApplication {
public static void main(String[] args) {
SpringApplication.run(CacheApplication.class, args);
}
}
@@ -0,0 +1,24 @@
package com.baeldung.caching.boot;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.cache.CacheManagerCustomizer;
import org.springframework.cache.concurrent.ConcurrentMapCacheManager;
import org.springframework.stereotype.Component;
import static java.util.Arrays.asList;
@Component
public class SimpleCacheCustomizer implements CacheManagerCustomizer<ConcurrentMapCacheManager> {
private static final Logger LOGGER = LoggerFactory.getLogger(SimpleCacheCustomizer.class);
static final String USERS_CACHE = "users";
static final String TRANSACTIONS_CACHE = "transactions";
@Override
public void customize(ConcurrentMapCacheManager cacheManager) {
LOGGER.info("Customizing Cache Manager");
cacheManager.setCacheNames(asList(USERS_CACHE, TRANSACTIONS_CACHE));
}
}
@@ -0,0 +1,30 @@
package com.baeldung.caching.config;
import org.springframework.cache.Cache;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.concurrent.ConcurrentMapCache;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.cache.support.SimpleCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.util.Arrays;
@EnableCaching
@Configuration
public class ApplicationCacheConfig {
@Bean
public CacheManager cacheManager() {
SimpleCacheManager cacheManager = new SimpleCacheManager();
Cache booksCache = new ConcurrentMapCache("books");
cacheManager.setCaches(Arrays.asList(booksCache));
return cacheManager;
}
@Bean("customKeyGenerator")
public KeyGenerator keyGenerator() {
return new CustomKeyGenerator();
}
}
@@ -0,0 +1,25 @@
package com.baeldung.caching.config;
import java.util.Arrays;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.concurrent.ConcurrentMapCache;
import org.springframework.cache.support.SimpleCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
@Configuration
@EnableCaching
@ComponentScan("com.baeldung.caching.example")
public class CachingConfig {
@Bean
public CacheManager cacheManager() {
final SimpleCacheManager cacheManager = new SimpleCacheManager();
cacheManager.setCaches(Arrays.asList(new ConcurrentMapCache("directory"), new ConcurrentMapCache("addresses")));
return cacheManager;
}
}
@@ -0,0 +1,14 @@
package com.baeldung.caching.config;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.util.StringUtils;
import java.lang.reflect.Method;
public class CustomKeyGenerator implements KeyGenerator {
public Object generate(Object target, Method method, Object... params) {
return target.getClass().getSimpleName() + "_" + method.getName() + "_"
+ StringUtils.arrayToDelimitedString(params, "_");
}
}
@@ -0,0 +1,18 @@
package com.baeldung.caching.eviction.controllers;
import com.baeldung.caching.eviction.service.CachingService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class CachingController {
@Autowired
CachingService cachingService;
@GetMapping("clearAllCaches")
public void clearAllCaches() {
cachingService.evictAllCaches();
}
}
@@ -0,0 +1,53 @@
package com.baeldung.caching.eviction.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
@Component
public class CachingService {
@Autowired
CacheManager cacheManager;
public void putToCache(String cacheName, String key, String value) {
cacheManager.getCache(cacheName).put(key, value);
}
public String getFromCache(String cacheName, String key) {
String value = null;
if (cacheManager.getCache(cacheName).get(key) != null) {
value = cacheManager.getCache(cacheName).get(key).get().toString();
}
return value;
}
@CacheEvict(value = "first", key = "#cacheKey")
public void evictSingleCacheValue(String cacheKey) {
}
@CacheEvict(value = "first", allEntries = true)
public void evictAllCacheValues() {
}
public void evictSingleCacheValue(String cacheName, String cacheKey) {
cacheManager.getCache(cacheName).evict(cacheKey);
}
public void evictAllCacheValues(String cacheName) {
cacheManager.getCache(cacheName).clear();
}
public void evictAllCaches() {
cacheManager.getCacheNames()
.parallelStream()
.forEach(cacheName -> cacheManager.getCache(cacheName).clear());
}
@Scheduled(fixedRate = 6000)
public void evictAllcachesAtIntervals() {
evictAllCaches();
}
}
@@ -0,0 +1,76 @@
package com.baeldung.caching.example;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.CachePut;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.cache.annotation.Caching;
public abstract class AbstractService {
// this method configuration is equivalent to xml configuration
@Cacheable(value = "addresses", key = "#customer.name")
public String getAddress(final Customer customer) {
return customer.getAddress();
}
/**
* The method returns the customer's address,
only it doesn't find it the cache- addresses and directory.
*
* @param customer the customer
* @return the address
*/
@Cacheable({ "addresses", "directory" })
public String getAddress1(final Customer customer) {
return customer.getAddress();
}
/**
* The method returns the customer's address,
but refreshes all the entries in the cache to load new ones.
*
* @param customer the customer
* @return the address
*/
@CacheEvict(value = "addresses", allEntries = true)
public String getAddress2(final Customer customer) {
return customer.getAddress();
}
/**
* The method returns the customer's address,
but not before selectively evicting the cache as per specified paramters.
*
* @param customer the customer
* @return the address
*/
@Caching(evict = { @CacheEvict("addresses"), @CacheEvict(value = "directory", key = "#customer.name") })
public String getAddress3(final Customer customer) {
return customer.getAddress();
}
/**
* The method uses the class level cache to look up for entries.
*
* @param customer the customer
* @return the address
*/
@Cacheable
// parameter not required as we have declared it using @CacheConfig
public String getAddress4(final Customer customer) {
return customer.getAddress();
}
/**
* The method selectively caches the results that meet the predefined criteria.
*
* @param customer the customer
* @return the address
*/
@CachePut(value = "addresses", condition = "#customer.name=='Tom'")
// @CachePut(value = "addresses", unless = "#result.length>64")
public String getAddress5(final Customer customer) {
return customer.getAddress();
}
}
@@ -0,0 +1,21 @@
package com.baeldung.caching.example;
import com.baeldung.caching.model.Book;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Component;
import java.util.ArrayList;
import java.util.List;
@Component
public class BookService {
@Cacheable(value="books", keyGenerator="customKeyGenerator")
public List<Book> getBooks() {
List<Book> books = new ArrayList<Book>();
books.add(new Book(1, "The Counterfeiters", "André Gide"));
books.add(new Book(2, "Peer Gynt and Hedda Gabler", "Henrik Ibsen"));
return books;
}
}
@@ -0,0 +1,48 @@
package com.baeldung.caching.example;
public class Customer {
private int id;
private String name;
private String address;
public Customer() {
super();
}
public Customer(final String name, final String address) {
this.name = name;
this.address = address;
}
//
public int getId() {
return id;
}
public void setId(final int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(final String name) {
this.name = name;
}
public String getAddress() {
return address;
}
public void setAddress(final String address) {
this.address = address;
}
public void setCustomerAddress(final String address) {
this.address = name + "," + address;
}
}
@@ -0,0 +1,79 @@
package com.baeldung.caching.example;
import org.springframework.cache.annotation.CacheConfig;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.CachePut;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.cache.annotation.Caching;
import org.springframework.stereotype.Component;
@Component
@CacheConfig(cacheNames = { "addresses" })
public class CustomerDataService {
// this method configuration is equivalent to xml configuration
@Cacheable(value = "addresses", key = "#customer.name")
public String getAddress(final Customer customer) {
return customer.getAddress();
}
/**
* The method returns the customer's address,
only it doesn't find it the cache- addresses and directory.
*
* @param customer the customer
* @return the address
*/
@Cacheable({ "addresses", "directory" })
public String getAddress1(final Customer customer) {
return customer.getAddress();
}
/**
* The method returns the customer's address,
but refreshes all the entries in the cache to load new ones.
*
* @param customer the customer
* @return the address
*/
@CacheEvict(value = "addresses", allEntries = true)
public String getAddress2(final Customer customer) {
return customer.getAddress();
}
/**
* The method returns the customer's address,
but not before selectively evicting the cache as per specified paramters.
*
* @param customer the customer
* @return the address
*/
@Caching(evict = { @CacheEvict("addresses"), @CacheEvict(value = "directory", key = "#customer.name") })
public String getAddress3(final Customer customer) {
return customer.getAddress();
}
/**
* The method uses the class level cache to look up for entries.
*
* @param customer the customer
* @return the address
*/
@Cacheable
// parameter not required as we have declared it using @CacheConfig
public String getAddress4(final Customer customer) {
return customer.getAddress();
}
/**
* The method selectively caches the results that meet the predefined criteria.
*
* @param customer the customer
* @return the address
*/
@CachePut(value = "addresses", condition = "#customer.name=='Tom'")
// @CachePut(value = "addresses", unless = "#result.length>64")
public String getAddress5(final Customer customer) {
return customer.getAddress();
}
}
@@ -0,0 +1,10 @@
package com.baeldung.caching.example;
import org.springframework.cache.annotation.CacheConfig;
import org.springframework.stereotype.Component;
@Component
@CacheConfig(cacheNames = { "addresses" })
public class CustomerServiceWithParent extends AbstractService {
//
}
@@ -0,0 +1,41 @@
package com.baeldung.caching.model;
public class Book {
private int id;
private String author;
private String title;
public Book() {
}
public Book(int id, String author, String title) {
this.id = id;
this.author = author;
this.title = title;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
}
@@ -0,0 +1,28 @@
package com.baeldung.ehcache.calculator;
import com.baeldung.ehcache.config.CacheHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class SquaredCalculator {
private static final Logger LOGGER = LoggerFactory.getLogger(SquaredCalculator.class);
private CacheHelper cache;
public int getSquareValueOfNumber(int input) {
if (cache.getSquareNumberCache().containsKey(input)) {
return cache.getSquareNumberCache().get(input);
}
LOGGER.debug("Calculating square value of {} and caching result.", input);
int squaredValue = (int) Math.pow(input, 2);
cache.getSquareNumberCache().put(input, squaredValue);
return squaredValue;
}
public void setCache(CacheHelper cache) {
this.cache = cache;
}
}
@@ -0,0 +1,29 @@
package com.baeldung.ehcache.config;
import org.ehcache.Cache;
import org.ehcache.CacheManager;
import org.ehcache.config.builders.CacheConfigurationBuilder;
import org.ehcache.config.builders.CacheManagerBuilder;
import org.ehcache.config.builders.ResourcePoolsBuilder;
public class CacheHelper {
private CacheManager cacheManager;
private Cache<Integer, Integer> squareNumberCache;
public CacheHelper() {
cacheManager = CacheManagerBuilder.newCacheManagerBuilder().build();
cacheManager.init();
squareNumberCache = cacheManager.createCache("squaredNumber", CacheConfigurationBuilder.newCacheConfigurationBuilder(Integer.class, Integer.class, ResourcePoolsBuilder.heap(10)));
}
public Cache<Integer, Integer> getSquareNumberCache() {
return squareNumberCache;
}
public Cache<Integer, Integer> getSquareNumberCacheFromCacheManager() {
return cacheManager.getCache("squaredNumber", Integer.class, Integer.class);
}
}
@@ -0,0 +1,28 @@
package com.baeldung.multiplecachemanager.bo;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Component;
import com.baeldung.multiplecachemanager.entity.Customer;
import com.baeldung.multiplecachemanager.entity.Order;
import com.baeldung.multiplecachemanager.repository.CustomerDetailRepository;
@Component
public class CustomerDetailBO {
@Autowired
private CustomerDetailRepository customerDetailRepository;
@Cacheable(cacheNames = "customers")
public Customer getCustomerDetail(Integer customerId) {
return customerDetailRepository.getCustomerDetail(customerId);
}
@Cacheable(cacheNames = "customerOrders", cacheManager = "alternateCacheManager")
public List<Order> getCustomerOrders(Integer customerId) {
return customerDetailRepository.getCustomerOrders(customerId);
}
}
@@ -0,0 +1,25 @@
package com.baeldung.multiplecachemanager.bo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Component;
import com.baeldung.multiplecachemanager.entity.Order;
import com.baeldung.multiplecachemanager.repository.OrderDetailRepository;
@Component
public class OrderDetailBO {
@Autowired
private OrderDetailRepository orderDetailRepository;
@Cacheable(cacheNames = "orders", cacheResolver = "cacheResolver")
public Order getOrderDetail(Integer orderId) {
return orderDetailRepository.getOrderDetail(orderId);
}
@Cacheable(cacheNames = "orderprice", cacheResolver = "cacheResolver")
public double getOrderPrice(Integer orderId) {
return orderDetailRepository.getOrderPrice(orderId);
}
}
@@ -0,0 +1,40 @@
package com.baeldung.multiplecachemanager.config;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.caffeine.CaffeineCacheManager;
import org.springframework.cache.concurrent.ConcurrentMapCacheManager;
import org.springframework.cache.interceptor.CacheResolver;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
//import org.springframework.context.annotation.Primary;
import com.github.benmanes.caffeine.cache.Caffeine;
@Configuration
@EnableCaching
public class MultipleCacheManagerConfig extends CachingConfigurerSupport {
@Bean
//@Primary
public CacheManager cacheManager() {
CaffeineCacheManager cacheManager = new CaffeineCacheManager("customers", "orders");
cacheManager.setCaffeine(Caffeine.newBuilder()
.initialCapacity(200)
.maximumSize(500)
.weakKeys()
.recordStats());
return cacheManager;
}
@Bean
public CacheManager alternateCacheManager() {
return new ConcurrentMapCacheManager("customerOrders", "orderprice");
}
@Bean
public CacheResolver cacheResolver() {
return new MultipleCacheResolver(alternateCacheManager(), cacheManager());
}
}
@@ -0,0 +1,38 @@
package com.baeldung.multiplecachemanager.config;
import java.util.ArrayList;
import java.util.Collection;
import org.springframework.cache.Cache;
import org.springframework.cache.CacheManager;
import org.springframework.cache.interceptor.CacheOperationInvocationContext;
import org.springframework.cache.interceptor.CacheResolver;
public class MultipleCacheResolver implements CacheResolver {
private final CacheManager simpleCacheManager;
private final CacheManager caffeineCacheManager;
private static final String ORDER_CACHE = "orders";
private static final String ORDER_PRICE_CACHE = "orderprice";
public MultipleCacheResolver(CacheManager simpleCacheManager, CacheManager caffeineCacheManager) {
this.simpleCacheManager = simpleCacheManager;
this.caffeineCacheManager = caffeineCacheManager;
}
@Override
public Collection<? extends Cache> resolveCaches(CacheOperationInvocationContext<?> context) {
Collection<Cache> caches = new ArrayList<Cache>();
if ("getOrderDetail".equals(context.getMethod()
.getName())) {
caches.add(caffeineCacheManager.getCache(ORDER_CACHE));
} else {
caches.add(simpleCacheManager.getCache(ORDER_PRICE_CACHE));
}
return caches;
}
}
@@ -0,0 +1,43 @@
package com.baeldung.multiplecachemanager.controller;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;
import com.baeldung.multiplecachemanager.bo.CustomerDetailBO;
import com.baeldung.multiplecachemanager.bo.OrderDetailBO;
import com.baeldung.multiplecachemanager.entity.Customer;
import com.baeldung.multiplecachemanager.entity.Order;
@RestController
public class MultipleCacheManagerController {
@Autowired
private CustomerDetailBO customerDetailBO;
@Autowired
private OrderDetailBO orderDetailBO;
@GetMapping(value = "/getCustomer/{customerid}")
public Customer getCustomer(@PathVariable Integer customerid) {
return customerDetailBO.getCustomerDetail(customerid);
}
@GetMapping(value = "/getCustomerOrders/{customerid}")
public List<Order> getCustomerOrders(@PathVariable Integer customerid) {
return customerDetailBO.getCustomerOrders(customerid);
}
@GetMapping(value = "/getOrder/{orderid}")
public Order getOrder(@PathVariable Integer orderid) {
return orderDetailBO.getOrderDetail(orderid);
}
@GetMapping(value = "/getOrderPrice/{orderid}")
public double getOrderPrice(@PathVariable Integer orderid) {
return orderDetailBO.getOrderPrice(orderid);
}
}
@@ -0,0 +1,24 @@
package com.baeldung.multiplecachemanager.entity;
public class Customer {
private int customerId;
private String customerName;
public int getCustomerId() {
return customerId;
}
public void setCustomerId(int customerId) {
this.customerId = customerId;
}
public String getCustomerName() {
return customerName;
}
public void setCustomerName(String customerName) {
this.customerName = customerName;
}
}
@@ -0,0 +1,34 @@
package com.baeldung.multiplecachemanager.entity;
public class Item {
private int itemId;
private String itemDesc;
private double itemPrice;
public int getItemId() {
return itemId;
}
public void setItemId(int itemId) {
this.itemId = itemId;
}
public String getItemDesc() {
return itemDesc;
}
public void setItemDesc(String itemDesc) {
this.itemDesc = itemDesc;
}
public double getItemPrice() {
return itemPrice;
}
public void setItemPrice(double itemPrice) {
this.itemPrice = itemPrice;
}
}
@@ -0,0 +1,44 @@
package com.baeldung.multiplecachemanager.entity;
public class Order {
private int orderId;
private int itemId;
private int quantity;
private int customerId;
public int getOrderId() {
return orderId;
}
public void setOrderId(int orderId) {
this.orderId = orderId;
}
public int getItemId() {
return itemId;
}
public void setItemId(int itemId) {
this.itemId = itemId;
}
public int getQuantity() {
return quantity;
}
public void setQuantity(int quantity) {
this.quantity = quantity;
}
public int getCustomerId() {
return customerId;
}
public void setCustomerId(int customerId) {
this.customerId = customerId;
}
}
@@ -0,0 +1,49 @@
package com.baeldung.multiplecachemanager.repository;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowCallbackHandler;
import org.springframework.stereotype.Repository;
import com.baeldung.multiplecachemanager.entity.Customer;
import com.baeldung.multiplecachemanager.entity.Order;
@Repository
public class CustomerDetailRepository {
@Autowired
private JdbcTemplate jdbcTemplate;
public Customer getCustomerDetail(Integer customerId) {
String customerQuery = "select * from customer where customerid = ? ";
Customer customer = new Customer();
jdbcTemplate.query(customerQuery, new Object[] { customerId }, new RowCallbackHandler() {
public void processRow(ResultSet rs) throws SQLException {
customer.setCustomerId(rs.getInt("customerid"));
customer.setCustomerName(rs.getString("customername"));
}
});
return customer;
}
public List<Order> getCustomerOrders(Integer customerId) {
String customerOrderQuery = "select * from orderdetail where customerid = ? ";
List<Order> orders = new ArrayList<Order>();
jdbcTemplate.query(customerOrderQuery, new Object[] { customerId }, new RowCallbackHandler() {
public void processRow(ResultSet rs) throws SQLException {
Order order = new Order();
order.setCustomerId(rs.getInt("customerid"));
order.setItemId(rs.getInt("orderid"));
order.setOrderId(rs.getInt("orderid"));
order.setQuantity(rs.getInt("quantity"));
orders.add(order);
}
});
return orders;
}
}
@@ -0,0 +1,53 @@
package com.baeldung.multiplecachemanager.repository;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowCallbackHandler;
import org.springframework.stereotype.Repository;
import com.baeldung.multiplecachemanager.entity.Item;
import com.baeldung.multiplecachemanager.entity.Order;
@Repository
public class OrderDetailRepository {
@Autowired
private JdbcTemplate jdbcTemplate;
public Order getOrderDetail(Integer orderId) {
String orderDetailQuery = "select * from orderdetail where orderid = ? ";
Order order = new Order();
jdbcTemplate.query(orderDetailQuery, new Object[] { orderId }, new RowCallbackHandler() {
public void processRow(ResultSet rs) throws SQLException {
order.setCustomerId(rs.getInt("customerid"));
order.setOrderId(rs.getInt("orderid"));
order.setItemId(rs.getInt("itemid"));
order.setQuantity(rs.getInt("quantity"));
}
});
return order;
}
public double getOrderPrice(Integer orderId) {
String orderItemJoinQuery = "select * from ( select * from orderdetail where orderid = ? ) o left join item on o.itemid = ITEM.itemid";
Order order = new Order();
Item item = new Item();
jdbcTemplate.query(orderItemJoinQuery, new Object[] { orderId }, new RowCallbackHandler() {
public void processRow(ResultSet rs) throws SQLException {
order.setCustomerId(rs.getInt("customerid"));
order.setOrderId(rs.getInt("orderid"));
order.setItemId(rs.getInt("itemid"));
order.setQuantity(rs.getInt("quantity"));
item.setItemDesc("itemdesc");
item.setItemId(rs.getInt("itemid"));
item.setItemPrice(rs.getDouble("price"));
}
});
return order.getQuantity() * item.getItemPrice();
}
}
@@ -0,0 +1,23 @@
package com.baeldung.springdatacaching.model;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import javax.persistence.Entity;
import javax.persistence.Id;
import java.io.Serializable;
import java.util.UUID;
@Data
@Entity
@NoArgsConstructor
@AllArgsConstructor
public class Book implements Serializable {
@Id
private UUID id;
private String title;
}
@@ -0,0 +1,15 @@
package com.baeldung.springdatacaching.repositories;
import com.baeldung.springdatacaching.model.Book;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.data.repository.CrudRepository;
import java.util.Optional;
import java.util.UUID;
public interface BookRepository extends CrudRepository<Book, UUID> {
@Cacheable(value = "books", unless = "#a0=='Foundation'")
Optional<Book> findFirstByTitle(String title);
}
@@ -0,0 +1,11 @@
spring.datasource.url=jdbc:h2:mem:testdb;DB_CLOSE_ON_EXIT=FALSE
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.username=sa
spring.datasource.password=
# Enabling H2 Console
spring.h2.console.enabled=true
spring.h2.console.path=/h2
#ehcache
spring.cache.jcache.config=classpath:ehcache.xml
@@ -0,0 +1,40 @@
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:cache="http://www.springframework.org/schema/cache"
xmlns:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache-4.2.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.2.xsd
"
>
<cache:annotation-driven/>
<!-- <context:annotation-config/> -->
<!-- the service that you wish to make cacheable. -->
<bean id="customerDataService" class="com.baeldung.caching.example.CustomerDataService"/>
<bean id="cacheManager" class="org.springframework.cache.support.SimpleCacheManager">
<property name="caches">
<set>
<bean class="org.springframework.cache.concurrent.ConcurrentMapCacheFactoryBean" name="directory"/>
<bean class="org.springframework.cache.concurrent.ConcurrentMapCacheFactoryBean" name="addresses"/>
</set>
</property>
</bean>
<!-- define caching behavior -->
<cache:advice id="cachingBehavior" cache-manager="cacheManager">
<cache:caching cache="addresses">
<cache:cacheable method="getAddress" key="#customer.name"/>
</cache:caching>
</cache:advice>
<!-- apply the behavior to all the implementations of CustomerDataService -->
<aop:config>
<aop:advisor advice-ref="cachingBehavior" pointcut="execution(* com.baeldung.caching.example.CustomerDataService.*(..))"/>
</aop:config>
</beans>
@@ -0,0 +1,7 @@
INSERT INTO CUSTOMER VALUES(1001,'BAELDUNG');
INSERT INTO ITEM VALUES(10001,'ITEM1',50.0);
INSERT INTO ITEM VALUES(10002,'ITEM2',100.0);
INSERT INTO ORDERDETAIL VALUES(300001,1001,10001,2);
INSERT INTO ORDERDETAIL VALUES(300002,1001,10002,5);
@@ -0,0 +1,54 @@
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://www.ehcache.org/v3"
xmlns:jsr107="http://www.ehcache.org/v3/jsr107"
xsi:schemaLocation="
http://www.ehcache.org/v3 http://www.ehcache.org/schema/ehcache-core-3.0.xsd
http://www.ehcache.org/v3/jsr107 http://www.ehcache.org/schema/ehcache-107-ext-3.0.xsd">
<cache alias="squareCache">
<key-type>java.lang.Long</key-type>
<value-type>java.math.BigDecimal</value-type>
<expiry>
<ttl unit="seconds">30</ttl>
</expiry>
<listeners>
<listener>
<class>com.baeldung.cachetest.config.CacheEventLogger</class>
<event-firing-mode>ASYNCHRONOUS</event-firing-mode>
<event-ordering-mode>UNORDERED</event-ordering-mode>
<events-to-fire-on>CREATED</events-to-fire-on>
<events-to-fire-on>EXPIRED</events-to-fire-on>
</listener>
</listeners>
<resources>
<heap unit="entries">2</heap>
<offheap unit="MB">10</offheap>
</resources>
</cache>
<cache alias="books">
<key-type>java.lang.String</key-type>
<value-type>com.baeldung.springdatacaching.model.Book</value-type>
<expiry>
<ttl unit="seconds">30</ttl>
</expiry>
<listeners>
<listener>
<class>com.baeldung.cachetest.config.CacheEventLogger</class>
<event-firing-mode>ASYNCHRONOUS</event-firing-mode>
<event-ordering-mode>UNORDERED</event-ordering-mode>
<events-to-fire-on>CREATED</events-to-fire-on>
<events-to-fire-on>EXPIRED</events-to-fire-on>
</listener>
</listeners>
<resources>
<heap unit="entries">2</heap>
<offheap unit="MB">10</offheap>
</resources>
</cache>
</config>
@@ -0,0 +1,13 @@
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>
@@ -0,0 +1,23 @@
DROP TABLE ORDERDETAIL IF EXISTS;
DROP TABLE ITEM IF EXISTS;
DROP TABLE CUSTOMER IF EXISTS;
CREATE TABLE CUSTOMER(
CUSTOMERID INT PRIMARY KEY,
CUSTOMERNAME VARCHAR(250) NOT NULL
);
CREATE TABLE ITEM(
ITEMID INT PRIMARY KEY,
ITEMDESC VARCHAR(250),
PRICE DOUBLE
);
CREATE TABLE ORDERDETAIL(
ORDERID INT PRIMARY KEY,
CUSTOMERID INT NOT NULL,
ITEMID INT NOT NULL,
QUANTITY INT,
FOREIGN KEY (customerid) references CUSTOMER(customerid),
FOREIGN KEY (itemid) references ITEM(itemid)
);
@@ -0,0 +1,24 @@
package com.baeldung.caching.boot;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.cache.CacheManager;
import org.springframework.test.context.junit4.SpringRunner;
import static org.assertj.core.api.Assertions.assertThat;
@RunWith(SpringRunner.class)
@SpringBootTest("spring.cache.type=simple")
public class SimpleCacheCustomizerIntegrationTest {
@Autowired
private CacheManager cacheManager;
@Test
public void givenCacheManagerCustomizerWhenBootstrappedThenCacheManagerCustomized() {
assertThat(cacheManager.getCacheNames())
.containsOnly(SimpleCacheCustomizer.USERS_CACHE, SimpleCacheCustomizer.TRANSACTIONS_CACHE);
}
}
@@ -0,0 +1,79 @@
package com.baeldung.caching.test;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;
import java.util.ArrayList;
import java.util.List;
import com.baeldung.caching.eviction.service.CachingService;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.Cache;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.concurrent.ConcurrentMapCacheFactoryBean;
import org.springframework.cache.support.SimpleCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
public class CacheEvictAnnotationIntegrationTest {
@Configuration
@EnableCaching
static class ContextConfiguration {
@Bean
public CachingService cachingService() {
return new CachingService();
}
@Bean
public CacheManager cacheManager() {
SimpleCacheManager cacheManager = new SimpleCacheManager();
List<Cache> caches = new ArrayList<>();
caches.add(cacheBean().getObject());
cacheManager.setCaches(caches);
return cacheManager;
}
@Bean
public ConcurrentMapCacheFactoryBean cacheBean() {
ConcurrentMapCacheFactoryBean cacheFactoryBean = new ConcurrentMapCacheFactoryBean();
cacheFactoryBean.setName("first");
return cacheFactoryBean;
}
}
@Autowired
CachingService cachingService;
@Before
public void before() {
cachingService.putToCache("first", "key1", "Baeldung");
cachingService.putToCache("first", "key2", "Article");
}
@Test
public void givenFirstCache_whenSingleCacheValueEvictRequested_thenEmptyCacheValue() {
cachingService.evictSingleCacheValue("key1");
String key1 = cachingService.getFromCache("first", "key1");
assertThat(key1, is(nullValue()));
}
@Test
public void givenFirstCache_whenAllCacheValueEvictRequested_thenEmptyCache() {
cachingService.evictAllCacheValues();
String key1 = cachingService.getFromCache("first", "key1");
String key2 = cachingService.getFromCache("first", "key2");
assertThat(key1, is(nullValue()));
assertThat(key2, is(nullValue()));
}
}
@@ -0,0 +1,96 @@
package com.baeldung.caching.test;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;
import java.util.ArrayList;
import java.util.List;
import com.baeldung.caching.eviction.service.CachingService;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.Cache;
import org.springframework.cache.CacheManager;
import org.springframework.cache.concurrent.ConcurrentMapCacheFactoryBean;
import org.springframework.cache.support.SimpleCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
public class CacheManagerEvictIntegrationTest {
@Configuration
static class ContextConfiguration {
@Bean
public CachingService cachingService() {
return new CachingService();
}
@Bean
public CacheManager cacheManager() {
SimpleCacheManager cacheManager = new SimpleCacheManager();
List<Cache> caches = new ArrayList<>();
caches.add(cacheBeanFirst().getObject());
caches.add(cacheBeanSecond().getObject());
cacheManager.setCaches(caches);
return cacheManager;
}
@Bean
public ConcurrentMapCacheFactoryBean cacheBeanFirst() {
ConcurrentMapCacheFactoryBean cacheFactoryBean = new ConcurrentMapCacheFactoryBean();
cacheFactoryBean.setName("first");
return cacheFactoryBean;
}
@Bean
public ConcurrentMapCacheFactoryBean cacheBeanSecond() {
ConcurrentMapCacheFactoryBean cacheFactoryBean = new ConcurrentMapCacheFactoryBean();
cacheFactoryBean.setName("second");
return cacheFactoryBean;
}
}
@Autowired
CachingService cachingService;
@Before
public void before() {
cachingService.putToCache("first", "key1", "Baeldung");
cachingService.putToCache("first", "key2", "Article");
cachingService.putToCache("second", "key", "Article");
}
@Test
public void givenFirstCache_whenSingleCacheValueEvictRequested_thenEmptyCacheValue() {
cachingService.evictSingleCacheValue("first", "key1");
String key1 = cachingService.getFromCache("first", "key1");
assertThat(key1, is(nullValue()));
}
@Test
public void givenFirstCache_whenAllCacheValueEvictRequested_thenEmptyCache() {
cachingService.evictAllCacheValues("first");
String key1 = cachingService.getFromCache("first", "key1");
String key2 = cachingService.getFromCache("first", "key2");
assertThat(key1, is(nullValue()));
assertThat(key2, is(nullValue()));
}
@Test
public void givenAllCaches_whenAllCacheEvictRequested_thenEmptyAllCaches() {
cachingService.evictAllCaches();
String key1 = cachingService.getFromCache("first", "key1");
assertThat(key1, is(nullValue()));
String key = cachingService.getFromCache("second", "key");
assertThat(key, is(nullValue()));
}
}
@@ -0,0 +1,71 @@
package com.baeldung.caching.test;
import com.baeldung.caching.config.CachingConfig;
import com.baeldung.caching.example.Customer;
import com.baeldung.caching.example.CustomerDataService;
import com.baeldung.caching.example.CustomerServiceWithParent;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.support.AnnotationConfigContextLoader;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { CachingConfig.class }, loader = AnnotationConfigContextLoader.class)
public class SpringCachingIntegrationTest {
@Autowired
private CustomerDataService service;
@Autowired
private CustomerServiceWithParent serviceWithParent;
//
@Test
public void whenGettingAddress_thenCorrect() {
final Customer cust = new Customer("Tom", "67-2, Downing Street, NY");
service.getAddress(cust);
service.getAddress(cust);
service.getAddress1(cust);
service.getAddress1(cust);
service.getAddress2(cust);
service.getAddress2(cust);
service.getAddress3(cust);
service.getAddress3(cust);
service.getAddress4(cust);
service.getAddress4(cust);
service.getAddress5(cust);
service.getAddress5(cust);
}
@Test
public void givenUsingServiceWithParent_whenGettingAddress_thenCorrect() {
final Customer cust = new Customer("Tom", "67-2, Downing Street, NY");
serviceWithParent.getAddress(cust);
serviceWithParent.getAddress(cust);
serviceWithParent.getAddress1(cust);
serviceWithParent.getAddress1(cust);
serviceWithParent.getAddress2(cust);
serviceWithParent.getAddress2(cust);
serviceWithParent.getAddress3(cust);
serviceWithParent.getAddress3(cust);
// serviceWithParent.getAddress4(cust);
// serviceWithParent.getAddress4(cust);
serviceWithParent.getAddress5(cust);
serviceWithParent.getAddress5(cust);
}
}
@@ -0,0 +1,45 @@
package com.baeldung.ehcache;
import com.baeldung.ehcache.calculator.SquaredCalculator;
import com.baeldung.ehcache.config.CacheHelper;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class SquareCalculatorUnitTest {
private static final Logger LOGGER = LoggerFactory.getLogger(SquareCalculatorUnitTest.class);
private final SquaredCalculator squaredCalculator = new SquaredCalculator();
private final CacheHelper cacheHelper = new CacheHelper();
@Before
public void setup() {
squaredCalculator.setCache(cacheHelper);
}
@Test
public void whenCalculatingSquareValueOnce_thenCacheDontHaveValues() {
for (int i = 10; i < 15; i++) {
assertFalse(cacheHelper.getSquareNumberCache().containsKey(i));
LOGGER.debug("Square value of {} is: {}", i, squaredCalculator.getSquareValueOfNumber(i));
}
}
@Test
public void whenCalculatingSquareValueAgain_thenCacheHasAllValues() {
for (int i = 10; i < 15; i++) {
assertFalse(cacheHelper.getSquareNumberCache().containsKey(i));
LOGGER.debug("Square value of {} is: {}", i, squaredCalculator.getSquareValueOfNumber(i));
}
for (int i = 10; i < 15; i++) {
assertTrue(cacheHelper.getSquareNumberCache().containsKey(i));
LOGGER.debug("Square value of {} is: {}", i, squaredCalculator.getSquareValueOfNumber(i) + "\n");
}
}
}
@@ -0,0 +1,64 @@
package com.baeldung.multiplecachemanager;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.mock.mockito.MockBean;
import org.springframework.cache.Cache;
import org.springframework.cache.CacheManager;
import org.springframework.cache.caffeine.CaffeineCache;
import org.springframework.util.Assert;
import com.baeldung.multiplecachemanager.bo.OrderDetailBO;
import com.baeldung.multiplecachemanager.entity.Order;
import com.baeldung.multiplecachemanager.repository.OrderDetailRepository;
@SpringBootApplication
@SpringBootTest
public class MultipleCacheManagerIntegrationTest {
@MockBean
private OrderDetailRepository orderDetailRepository;
@Autowired
private OrderDetailBO orderDetailBO;
@Autowired
private CacheManager cacheManager;
@Autowired
private CacheManager alternateCacheManager;
@Test
public void givenCacheResolverIsConfigured_whenCallGetOrderDetail_thenDataShouldBeInCaffieneCacheManager() {
Integer key = 30001;
cacheManager.getCache("orders")
.evict(key);
Order order = new Order();
order.setCustomerId(1001);
order.setItemId(10001);
order.setOrderId(30001);
order.setQuantity(2);
Mockito.when(orderDetailRepository.getOrderDetail(key))
.thenReturn(order);
orderDetailBO.getOrderDetail(key);
org.springframework.cache.caffeine.CaffeineCache cache = (CaffeineCache) cacheManager.getCache("orders");
Assert.notNull(cache.get(key)
.get(), "caffieneCache should have had the data");
}
@Test
public void givenCacheResolverIsConfigured_whenCallGetOrderPrice_thenDataShouldBeInAlternateCacheManager() {
Integer key = 30001;
alternateCacheManager.getCache("orderprice")
.evict(key);
Mockito.when(orderDetailRepository.getOrderPrice(key))
.thenReturn(500.0);
orderDetailBO.getOrderPrice(key);
Cache cache = alternateCacheManager.getCache("orderprice");
Assert.notNull(cache.get(key)
.get(), "alternateCache should have had the data");
}
}
@@ -0,0 +1,86 @@
package com.baeldung.springdatacaching.repositories;
import com.baeldung.springdatacaching.model.Book;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.concurrent.ConcurrentMapCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import org.springframework.test.util.AopTestUtils;
import java.util.UUID;
import static java.util.Optional.of;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.*;
@ContextConfiguration
@ExtendWith(SpringExtension.class)
public class BookRepositoryCachingIntegrationTest {
private static final Book DUNE = new Book(UUID.randomUUID(), "Dune");
private static final Book FOUNDATION = new Book(UUID.randomUUID(), "Foundation");
private BookRepository mock;
@Autowired
private BookRepository bookRepository;
@EnableCaching
@Configuration
public static class CachingTestConfig {
@Bean
public BookRepository bookRepositoryMockImplementation() {
return mock(BookRepository.class);
}
@Bean
public CacheManager cacheManager() {
return new ConcurrentMapCacheManager("books");
}
}
@BeforeEach
void setUp() {
mock = AopTestUtils.getTargetObject(bookRepository);
reset(mock);
when(mock.findFirstByTitle(eq("Foundation")))
.thenReturn(of(FOUNDATION));
when(mock.findFirstByTitle(eq("Dune")))
.thenReturn(of(DUNE))
.thenThrow(new RuntimeException("Book should be cached!"));
}
@Test
void givenCachedBook_whenFindByTitle_thenRepositoryShouldNotBeHit() {
assertEquals(of(DUNE), bookRepository.findFirstByTitle("Dune"));
verify(mock).findFirstByTitle("Dune");
assertEquals(of(DUNE), bookRepository.findFirstByTitle("Dune"));
assertEquals(of(DUNE), bookRepository.findFirstByTitle("Dune"));
verifyNoMoreInteractions(mock);
}
@Test
void givenNotCachedBook_whenFindByTitle_thenRepositoryShouldBeHit() {
assertEquals(of(FOUNDATION), bookRepository.findFirstByTitle("Foundation"));
assertEquals(of(FOUNDATION), bookRepository.findFirstByTitle("Foundation"));
assertEquals(of(FOUNDATION), bookRepository.findFirstByTitle("Foundation"));
verify(mock, times(3)).findFirstByTitle("Foundation");
}
}
@@ -0,0 +1,58 @@
package com.baeldung.springdatacaching.repositories;
import com.baeldung.caching.boot.CacheApplication;
import com.baeldung.springdatacaching.model.Book;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.domain.EntityScan;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.cache.CacheManager;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import java.util.Optional;
import java.util.UUID;
import static java.util.Optional.empty;
import static java.util.Optional.ofNullable;
import static org.junit.jupiter.api.Assertions.assertEquals;
@ExtendWith(SpringExtension.class)
@EntityScan(basePackageClasses = Book.class)
@SpringBootTest(classes = CacheApplication.class)
@EnableJpaRepositories(basePackageClasses = BookRepository.class)
public class BookRepositoryIntegrationTest {
@Autowired
CacheManager cacheManager;
@Autowired
BookRepository repository;
@BeforeEach
void setUp() {
repository.save(new Book(UUID.randomUUID(), "Dune"));
repository.save(new Book(UUID.randomUUID(), "Foundation"));
}
@Test
void givenBookThatShouldBeCached_whenFindByTitle_thenResultShouldBePutInCache() {
Optional<Book> dune = repository.findFirstByTitle("Dune");
assertEquals(dune, getCachedBook("Dune"));
}
@Test
void givenBookThatShouldNotBeCached_whenFindByTitle_thenResultShouldNotBePutInCache() {
repository.findFirstByTitle("Foundation");
assertEquals(empty(), getCachedBook("Foundation"));
}
private Optional<Book> getCachedBook(String title) {
return ofNullable(cacheManager.getCache("books")).map(c -> c.get(title, Book.class));
}
}