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Code sample - 23c with Spring Data JDBC (#314)
* Code sample - 23c with Spring Data JDBC * additional adjustments * fixed indentation * updated to 23ai as requested * updated to 23ai + driver 23.6.0.24.10 as requested, updated to ucp17
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‎java/23ai-springboot3-jdbc/README.md

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[Spring Data JDBC with the Oracle Database for Java Developers - Getting Started Guide](https://medium.com/oracledevs/spring-data-jdbc-with-the-oracle-database-23c-for-java-developers-getting-started-guide-1c4640fc8d27)

‎java/23ai-springboot3-jdbc/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>3.2.0</version>
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<relativePath /> <!-- lookup parent from repository -->
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</parent>
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<groupId>com.oracle.dev.springdata.jdbc</groupId>
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<artifactId>23ai-springboot3-jdbc</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>23ai-springboot3-jdbc</name>
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<properties>
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<java.version>21</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.oracle.database.jdbc</groupId>
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<artifactId>ojdbc11</artifactId>
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<version>23.6.0.24.10</version>
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</dependency>
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<dependency>
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<groupId>com.oracle.database.jdbc</groupId>
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<artifactId>ucp17</artifactId>
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<version>23.6.0.24.10</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-jdbc</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<!-- Metrics -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-actuator</artifactId>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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<plugin>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<compilerArgs>
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</compilerArgs>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>

‎java/23ai-springboot3-jdbc/script/EMPLOYEE.SQL

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CREATE USER ORACLE_23C_USER IDENTIFIED BY <YOUR_PASSWORD>;
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GRANT DB_DEVELOPER_ROLE TO ORACLE_23C_USER;
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GRANT CREATE SESSION TO ORACLE_23C_USER;
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GRANT UNLIMITED TABLESPACE TO ORACLE_23C_USER;
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CREATE TABLE Employee
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(id NUMBER(10) CONSTRAINT pk_employee PRIMARY KEY,
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name VARCHAR2(20),
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job VARCHAR2(20),
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salary NUMBER(10),
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commission NUMBER(10));
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INSERT INTO Employee VALUES(7369,'JOHN','CLERK',7902,NULL);
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INSERT INTO Employee VALUES(7499,'PETER','SALESMAN',7698,300);
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INSERT INTO Employee VALUES(7521,'JEFF','SALESMAN',7698,500);
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INSERT INTO Employee VALUES(7566,'MARK','MANAGER',7839,NULL);
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INSERT INTO Employee VALUES(7654,'MARTIN','SALESMAN',7698,1400);
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INSERT INTO Employee VALUES(7698,'ADAM','MANAGER',7839,NULL);
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INSERT INTO Employee VALUES(7782,'CLARK','MANAGER',7839,NULL);
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INSERT INTO Employee VALUES(7788,'SCOTT','ANALYST',7566,NULL);
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INSERT INTO Employee VALUES(7839,'KING','PRESIDENT',NULL);
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INSERT INTO Employee VALUES(7844,'TURNER','SALESMAN',0);
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INSERT INTO Employee VALUES(7876,'ADAMS','CLERK',7788,NULL);
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INSERT INTO Employee VALUES(7900,'JAMES','CLERK',7698,NULL);
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INSERT INTO Employee VALUES(7902,'FORD','ANALYST',7566,NULL);
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INSERT INTO Employee VALUES(7934,'MILLER','CLERK',7782,NULL);
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COMMIT;

‎java/23ai-springboot3-jdbc/src/main/java/com/oracle/dev/springdata/jdbc/Employee.java

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/*
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Copyright (c) 2024, Oracle and/or its affiliates.
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This software is dual-licensed to you under the Universal Permissive License
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(UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl or Apache License
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2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
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either license.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package com.oracle.dev.springdata.jdbc;
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import java.util.Objects;
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import org.springframework.data.annotation.Id;
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import org.springframework.data.relational.core.mapping.Table;
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@Table
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public class Employee {
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private @Id Long id;
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private String name;
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private String job;
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private Integer salary;
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private Integer commission;
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public Employee() {
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}
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public Employee(Long id, String name, String job, Integer salary,
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Integer commission) {
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this.id = id;
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this.name = name;
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this.job = job;
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this.salary = salary;
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this.commission = commission;
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}
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public String getJob() {
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return job;
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}
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public void setJob(String job) {
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this.job = job;
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}
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public Integer getSalary() {
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return salary;
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}
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public void setSalary(Integer salary) {
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this.salary = salary;
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}
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public Integer getCommission() {
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return commission;
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}
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public void setCommission(Integer commission) {
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this.commission = commission;
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}
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@Override
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public int hashCode() {
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return Objects.hash(commission, id, job, name, salary);
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj)
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return true;
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if (obj == null)
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return false;
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if (getClass() != obj.getClass())
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return false;
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Employee other = (Employee) obj;
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return Objects.equals(commission, other.commission)
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&& Objects.equals(id, other.id) && Objects.equals(job, other.job)
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&& Objects.equals(name, other.name)
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&& Objects.equals(salary, other.salary);
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}
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public String toString() {
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return String.format("%20s %20s %20s %20s %20s", id, name, job, salary,
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commission);
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}
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}

‎java/23ai-springboot3-jdbc/src/main/java/com/oracle/dev/springdata/jdbc/EmployeeApplication.java

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/*
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Copyright (c) 2024, Oracle and/or its affiliates.
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This software is dual-licensed to you under the Universal Permissive License
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(UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl or Apache License
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2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
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either license.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package com.oracle.dev.springdata.jdbc;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class EmployeeApplication {
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public static void main(String[] args) {
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SpringApplication.run(EmployeeApplication.class, args);
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}
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}

‎java/23ai-springboot3-jdbc/src/main/java/com/oracle/dev/springdata/jdbc/EmployeeController.java

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/*
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Copyright (c) 2024, Oracle and/or its affiliates.
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This software is dual-licensed to you under the Universal Permissive License
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(UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl or Apache License
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2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
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either license.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package com.oracle.dev.springdata.jdbc;
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import org.springframework.web.bind.annotation.DeleteMapping;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.PutMapping;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RestController;
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@RestController
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class EmployeeController {
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private final EmployeeRepository repository;
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EmployeeController(EmployeeRepository repository) {
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this.repository = repository;
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}
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@GetMapping("/employees")
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Iterable<Employee> all() {
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return repository.findAll();
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}
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@PostMapping("/employees")
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Employee newEmployee(@RequestBody Employee newEmployee) {
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return repository.save(newEmployee);
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}
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@GetMapping("/employees/{id}")
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Employee one(@PathVariable Long id) {
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return repository.findById(id)
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.orElseThrow(() -> new EmployeeNotFoundException(id));
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}
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@PutMapping("/employees/{id}")
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Employee replaceEmployee(@RequestBody Employee newEmployee,
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@PathVariable Long id) {
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return repository.findById(id).map(employee -> {
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employee.setName(newEmployee.getName());
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employee.setJob(newEmployee.getJob());
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return repository.save(employee);
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}).orElseGet(() -> {
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newEmployee.setId(id);
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return repository.save(newEmployee);
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});
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}
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@DeleteMapping("/employees/{id}")
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void deleteEmployee(@PathVariable Long id) {
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repository.deleteById(id);
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}
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}

‎java/23ai-springboot3-jdbc/src/main/java/com/oracle/dev/springdata/jdbc/EmployeeNotFoundAdvice.java

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/*
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Copyright (c) 2024, Oracle and/or its affiliates.
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This software is dual-licensed to you under the Universal Permissive License
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(UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl or Apache License
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2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
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either license.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package com.oracle.dev.springdata.jdbc;
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import org.springframework.http.HttpStatus;
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import org.springframework.web.bind.annotation.ControllerAdvice;
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import org.springframework.web.bind.annotation.ExceptionHandler;
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import org.springframework.web.bind.annotation.ResponseBody;
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import org.springframework.web.bind.annotation.ResponseStatus;
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@ControllerAdvice
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class EmployeeNotFoundAdvice {
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@ResponseBody
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@ExceptionHandler(EmployeeNotFoundException.class)
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@ResponseStatus(HttpStatus.NOT_FOUND)
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String employeeNotFoundHandler(EmployeeNotFoundException ex) {
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return ex.getMessage();
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}
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}

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