BAEL-3091: The Prototype Pattern in Java (changed code based on valid comments from a reader)

persistence-modules/spring-data-solr/src/main/java/com/baeldung/spring/data/solr/config/SolrConfig.java

@@ -0,0 +1,25 @@
+package com.baeldung.spring.data.solr.config;
+
+import org.apache.solr.client.solrj.SolrClient;
+import org.apache.solr.client.solrj.impl.HttpSolrClient;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.solr.core.SolrTemplate;
+import org.springframework.data.solr.repository.config.EnableSolrRepositories;
+
+@Configuration
+@EnableSolrRepositories(basePackages = "com.baeldung.spring.data.solr.repository", namedQueriesLocation = "classpath:solr-named-queries.properties", multicoreSupport = true)
+@ComponentScan
+public class SolrConfig {
+
+    @Bean
+    public SolrClient solrClient() {
+        return new HttpSolrClient("http://localhost:8983/solr");
+    }
+
+    @Bean
+    public SolrTemplate solrTemplate(SolrClient client) throws Exception {
+        return new SolrTemplate(client);
+    }
+}

persistence-modules/spring-data-solr/src/main/java/com/baeldung/spring/data/solr/model/Product.java

@@ -0,0 +1,33 @@
+package com.baeldung.spring.data.solr.model;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.solr.core.mapping.Indexed;
+import org.springframework.data.solr.core.mapping.SolrDocument;
+
+@SolrDocument(solrCoreName = "product")
+public class Product {
+
+    @Id
+    @Indexed(name = "id", type = "string")
+    private String id;
+
+    @Indexed(name = "name", type = "string")
+    private String name;
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+}

persistence-modules/spring-data-solr/src/main/java/com/baeldung/spring/data/solr/repository/ProductRepository.java

@@ -0,0 +1,22 @@
+package com.baeldung.spring.data.solr.repository;
+
+import java.util.List;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.solr.repository.Query;
+import org.springframework.data.solr.repository.SolrCrudRepository;
+
+import com.baeldung.spring.data.solr.model.Product;
+
+public interface ProductRepository extends SolrCrudRepository<Product, String> {
+
+    public List<Product> findByName(String name);
+
+    @Query("id:*?0* OR name:*?0*")
+    public Page<Product> findByCustomQuery(String searchTerm, Pageable pageable);
+
+    @Query(name = "Product.findByNamedQuery")
+    public Page<Product> findByNamedQuery(String searchTerm, Pageable pageable);
+
+}

persistence-modules/spring-data-solr/src/main/resources/logback.xml

@@ -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>

persistence-modules/spring-data-solr/src/main/resources/solr-named-queries.properties

@@ -0,0 +1 @@
+Product.findByNamedQuery=id:*?0* OR name:*?0*

persistence-modules/spring-data-solr/src/test/java/com/baeldung/spring/data/solr/repo/ProductRepositoryLiveTest.java

@@ -0,0 +1,125 @@
+package com.baeldung.spring.data.solr.repo;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+import java.util.List;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import com.baeldung.spring.data.solr.config.SolrConfig;
+import com.baeldung.spring.data.solr.model.Product;
+import com.baeldung.spring.data.solr.repository.ProductRepository;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = SolrConfig.class)
+public class ProductRepositoryLiveTest {
+
+    @Autowired
+    private ProductRepository productRepository;
+
+    @Before
+    public void clearSolrData() {
+        productRepository.deleteAll();
+    }
+
+    @Test
+    public void whenSavingProduct_thenAvailableOnRetrieval() throws Exception {
+        final Product product = new Product();
+        product.setId("P000089998");
+        product.setName("Desk");
+        productRepository.save(product);
+        final Product retrievedProduct = productRepository.findOne(product.getId());
+        assertEquals(product.getId(), retrievedProduct.getId());
+    }
+
+    @Test
+    public void whenUpdatingProduct_thenChangeAvailableOnRetrieval() throws Exception {
+        final Product product = new Product();
+        product.setId("P0001");
+        product.setName("T-Shirt");
+
+        productRepository.save(product);
+
+        product.setName("Shirt");
+        productRepository.save(product);
+
+        final Product retrievedProduct = productRepository.findOne(product.getId());
+        assertEquals(product.getName(), retrievedProduct.getName());
+    }
+
+    @Test
+    public void whenDeletingProduct_thenNotAvailableOnRetrieval() throws Exception {
+        final Product product = new Product();
+        product.setId("P0001");
+        product.setName("Desk");
+        productRepository.save(product);
+
+        productRepository.delete(product);
+
+        Product retrievedProduct = productRepository.findOne(product.getId());
+        assertNull(retrievedProduct);
+
+    }
+
+    @Test
+    public void whenFindByName_thenAvailableOnRetrieval() throws Exception {
+        Product phone = new Product();
+        phone.setId("P0001");
+        phone.setName("Phone");
+        productRepository.save(phone);
+
+        List<Product> retrievedProducts = productRepository.findByName("Phone");
+        assertEquals(phone.getId(), retrievedProducts.get(0).getId());
+    }
+
+    @Test
+    public void whenSearchingProductsByQuery_thenAllMatchingProductsShouldAvialble() throws Exception {
+        final Product phone = new Product();
+        phone.setId("P0001");
+        phone.setName("Smart Phone");
+        productRepository.save(phone);
+
+        final Product phoneCover = new Product();
+        phoneCover.setId("P0002");
+        phoneCover.setName("Phone Cover");
+        productRepository.save(phoneCover);
+
+        final Product wirelessCharger = new Product();
+        wirelessCharger.setId("P0003");
+        wirelessCharger.setName("Phone Charging Cable");
+        productRepository.save(wirelessCharger);
+
+        Page<Product> result = productRepository.findByCustomQuery("Phone", new PageRequest(0, 10));
+        assertEquals(3, result.getNumberOfElements());
+    }
+
+    @Test
+    public void whenSearchingProductsByNamedQuery_thenAllMatchingProductsShouldAvialble() throws Exception {
+        final Product phone = new Product();
+        phone.setId("P0001");
+        phone.setName("Smart Phone");
+        productRepository.save(phone);
+
+        final Product phoneCover = new Product();
+        phoneCover.setId("P0002");
+        phoneCover.setName("Phone Cover");
+        productRepository.save(phoneCover);
+
+        final Product wirelessCharger = new Product();
+        wirelessCharger.setId("P0003");
+        wirelessCharger.setName("Phone Charging Cable");
+        productRepository.save(wirelessCharger);
+
+        Page<Product> result = productRepository.findByNamedQuery("one", new PageRequest(0, 10));
+        assertEquals(3, result.getNumberOfElements());
+    }
+
+}

persistence-modules/spring-data-solr/src/test/java/org/baeldung/SpringContextIntegrationTest.java

@@ -0,0 +1,17 @@
+package org.baeldung;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import com.baeldung.spring.data.solr.config.SolrConfig;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = SolrConfig.class)
+public class SpringContextIntegrationTest {
+
+    @Test
+    public void whenSpringContextIsBootstrapped_thenNoExceptions() {
+    }
+}

persistence-modules/spring-data-solr/src/test/java/org/baeldung/SpringContextTest.java

@@ -0,0 +1,17 @@
+package org.baeldung;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import com.baeldung.spring.data.solr.config.SolrConfig;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = SolrConfig.class)
+public class SpringContextTest {
+
+    @Test
+    public void whenSpringContextIsBootstrapped_thenNoExceptions() {
+    }
+}