BAEL-3075 - Initial commit

persistence-modules/spring-boot-persistence-2/src/main/java/com/baeldung/spring/oracle/pooling/SpringOraclePoolingApplication.java

@@ -0,0 +1,29 @@
+package com.baeldung.spring.oracle.pooling;
+
+import javax.sql.DataSource;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+import lombok.extern.slf4j.Slf4j;
+
+@SpringBootApplication
+@Slf4j
+public class SpringOraclePoolingApplication implements CommandLineRunner{
+	
+    @Autowired
+    private DataSource dataSource;
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringOraclePoolingApplication.class, args);
+    }
+
+    @Override
+    public void run(String... args) throws Exception {
+        log.info("Connection Polling datasource : "+ dataSource);
+        
+    }
+
+}

persistence-modules/spring-boot-persistence-2/src/main/java/com/baeldung/spring/oracle/pooling/configuration/C3P0Configuration.java

@@ -0,0 +1,27 @@
+package com.baeldung.spring.oracle.pooling.configuration;
+
+import java.sql.SQLException;
+
+import javax.sql.DataSource;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+
+import com.mchange.v2.c3p0.ComboPooledDataSource;
+
+@Configuration
+@Profile("c3p0")
+public class C3P0Configuration {
+
+    @Bean
+    public DataSource dataSource() throws SQLException {
+        ComboPooledDataSource dataSource = new ComboPooledDataSource();
+        dataSource.setUser("books");
+        dataSource.setPassword("books");
+        dataSource.setJdbcUrl("jdbc:oracle:thin:@//localhost:11521/ORCLPDB1");
+        dataSource.setMinPoolSize(5);
+        dataSource.setMaxPoolSize(10);
+        return dataSource;
+    }    
+}

persistence-modules/spring-boot-persistence-2/src/main/java/com/baeldung/spring/oracle/pooling/configuration/OracleConfiguration.java

@@ -0,0 +1,27 @@
+package com.baeldung.spring.oracle.pooling.configuration;
+
+import java.sql.SQLException;
+
+import javax.sql.DataSource;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+
+import oracle.jdbc.pool.OracleDataSource;
+
+@Configuration
+@Profile("oracle")
+public class OracleConfiguration {
+
+    @Bean
+    public DataSource dataSource() throws SQLException {                
+        OracleDataSource dataSource = new OracleDataSource();
+        dataSource.setUser("books");
+        dataSource.setPassword("books");        
+        dataSource.setURL("jdbc:oracle:thin:@//localhost:11521/ORCLPDB1");
+        dataSource.setFastConnectionFailoverEnabled(true);
+        dataSource.setImplicitCachingEnabled(true);
+        return dataSource;
+    }    
+}

persistence-modules/spring-boot-persistence-2/src/main/java/com/baeldung/spring/oracle/pooling/configuration/OracleUCPConfiguration.java

@@ -0,0 +1,30 @@
+package com.baeldung.spring.oracle.pooling.configuration;
+
+import java.sql.SQLException;
+
+import javax.sql.DataSource;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+
+import oracle.ucp.jdbc.PoolDataSource;
+import oracle.ucp.jdbc.PoolDataSourceFactory;
+
+@Configuration
+@Profile("oracle-ucp")
+public class OracleUCPConfiguration {
+
+    @Bean
+    public DataSource dataSource() throws SQLException {                
+        PoolDataSource dataSource = PoolDataSourceFactory.getPoolDataSource();
+        dataSource.setUser("books");
+        dataSource.setPassword("books");
+        dataSource.setConnectionFactoryClassName("oracle.jdbc.pool.OracleDataSource");
+        dataSource.setURL("jdbc:oracle:thin:@//localhost:11521/ORCLPDB1");     
+        dataSource.setFastConnectionFailoverEnabled(true);
+        dataSource.setInitialPoolSize(5);
+        dataSource.setMaxPoolSize(10);
+        return dataSource;
+    }
+}

persistence-modules/spring-boot-persistence-2/src/main/java/com/baeldung/spring/oracle/pooling/controller/BookstoreController.java

@@ -0,0 +1,45 @@
+package com.baeldung.spring.oracle.pooling.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.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.baeldung.spring.oracle.pooling.entity.Book;
+import com.baeldung.spring.oracle.pooling.exception.BookstoreException;
+import com.baeldung.spring.oracle.pooling.repository.BookRepository;
+
+@RestController
+@RequestMapping("/books")
+public class BookstoreController {
+
+    @Autowired
+    private BookRepository repository;
+
+    @GetMapping(value = "/hello")
+    public String sayHello() {
+        return "Hello";
+    }
+
+    @GetMapping("/all")
+    public List<Book> findAll() {
+        return repository.findAll();
+    }
+
+    @PostMapping("/create")
+    public Book newBook(@RequestBody Book newBook) {
+        return repository.save(newBook);
+    }
+
+    @GetMapping("/get/{id}")
+    public Book findOne(@PathVariable Long id) throws BookstoreException {
+        return repository.findById(id)
+            .orElseThrow(BookstoreException::new);
+    }
+
+}

persistence-modules/spring-boot-persistence-2/src/main/java/com/baeldung/spring/oracle/pooling/entity/Book.java

@@ -0,0 +1,45 @@
+package com.baeldung.spring.oracle.pooling.entity;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Entity
+public class Book {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    private String name;
+
+    public Book() {
+    }
+
+    public Book(String name) {
+        this.name = name;
+    }
+
+    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;
+    }
+
+    @Override
+    public String toString() {
+        return "Book [id=" + id + ", name=" + name + "]";
+    }
+
+}

persistence-modules/spring-boot-persistence-2/src/main/java/com/baeldung/spring/oracle/pooling/exception/BookstoreException.java

@@ -0,0 +1,10 @@
+package com.baeldung.spring.oracle.pooling.exception;
+
+public class BookstoreException extends Exception{
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 1L;
+
+}

persistence-modules/spring-boot-persistence-2/src/main/java/com/baeldung/spring/oracle/pooling/repository/BookRepository.java

@@ -0,0 +1,9 @@
+package com.baeldung.spring.oracle.pooling.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import com.baeldung.spring.oracle.pooling.entity.Book;
+
+public interface BookRepository extends JpaRepository<Book, Long>{		
+
+}