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Commit ee4d5b3

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author
Rajeev Kumar Singh
committed
Hibernate Composite PK Demo
1 parent 78a0877 commit ee4d5b3

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5 files changed

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5 files changed

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package com.example.hibernatecompositeprimarykeydemo;
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import com.example.hibernatecompositeprimarykeydemo.model.Employee;
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import com.example.hibernatecompositeprimarykeydemo.model.EmployeeIdentity;
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import com.example.hibernatecompositeprimarykeydemo.repository.EmployeeRepository;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.CommandLineRunner;
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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 HibernateCompositePrimaryKeyDemoApplication {
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public class HibernateCompositePrimaryKeyDemoApplication implements CommandLineRunner {
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@Autowired
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private EmployeeRepository employeeRepository;
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public static void main(String[] args) {
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SpringApplication.run(HibernateCompositePrimaryKeyDemoApplication.class, args);
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}
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@Override
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public void run(String... args) throws Exception {
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employeeRepository.deleteAllInBatch();
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Employee employee = new Employee(new EmployeeIdentity("E-123", "D-457"), "Rajeev Kumar Singh", "rajeev@callicoder.com", "+91-9999999999");
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employeeRepository.save(employee);
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}
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}
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package com.example.hibernatecompositeprimarykeydemo.model;
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import javax.persistence.EmbeddedId;
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import javax.persistence.Entity;
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import javax.persistence.Table;
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import javax.validation.constraints.NotNull;
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import javax.validation.constraints.Size;
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/**
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* Created by rajeevkumarsingh on 22/11/17.
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*/
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@Entity
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@Table(name = "employees")
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public class Employee {
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@EmbeddedId
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private EmployeeIdentity identity;
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@NotNull
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private String name;
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@NotNull
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@Size(max = 100)
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private String email;
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@Size(max = 15)
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private String phoneNumber;
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public Employee() {
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}
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public Employee(EmployeeIdentity identity, String name, String email, String phoneNumber) {
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this.identity = identity;
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this.name = name;
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this.email = email;
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this.phoneNumber = phoneNumber;
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}
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public EmployeeIdentity getIdentity() {
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return identity;
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}
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public void setIdentity(EmployeeIdentity identity) {
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this.identity = identity;
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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 getEmail() {
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return email;
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}
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public void setEmail(String email) {
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this.email = email;
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}
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public String getPhoneNumber() {
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return phoneNumber;
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}
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public void setPhoneNumber(String phoneNumber) {
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this.phoneNumber = phoneNumber;
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}
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}
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package com.example.hibernatecompositeprimarykeydemo.model;
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import javax.persistence.Embeddable;
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import javax.validation.constraints.NotNull;
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import java.io.Serializable;
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/**
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* Created by rajeevkumarsingh on 22/11/17.
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*/
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@Embeddable
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public class EmployeeIdentity implements Serializable {
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@NotNull
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private String employeeCode;
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@NotNull
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private String companyCode;
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public EmployeeIdentity() {
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}
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public EmployeeIdentity(String employeeCode, String companyCode) {
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this.employeeCode = employeeCode;
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this.companyCode = companyCode;
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}
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public String getEmployeeCode() {
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return employeeCode;
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}
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public void setEmployeeCode(String employeeCode) {
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this.employeeCode = employeeCode;
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}
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public String getCompanyCode() {
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return companyCode;
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}
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public void setCompanyCode(String companyCode) {
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this.companyCode = companyCode;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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EmployeeIdentity that = (EmployeeIdentity) o;
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if (!employeeCode.equals(that.employeeCode)) return false;
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return companyCode.equals(that.companyCode);
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}
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@Override
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public int hashCode() {
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int result = employeeCode.hashCode();
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result = 31 * result + companyCode.hashCode();
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return result;
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}
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}
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package com.example.hibernatecompositeprimarykeydemo.repository;
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import com.example.hibernatecompositeprimarykeydemo.model.Employee;
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import com.example.hibernatecompositeprimarykeydemo.model.EmployeeIdentity;
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import org.springframework.data.jpa.repository.JpaRepository;
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import org.springframework.stereotype.Repository;
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/**
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* Created by rajeevkumarsingh on 22/11/17.
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*/
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@Repository
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public interface EmployeeRepository extends JpaRepository<Employee, EmployeeIdentity> {
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}
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# DATASOURCE (DataSourceAutoConfiguration & DataSourceProperties)
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spring.datasource.url=jdbc:mysql://localhost:3306/hibernate_composite_pk_demo?autoReconnect=true&useUnicode=true&characterEncoding=UTF-8&allowMultiQueries=true&useSSL=false
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spring.datasource.username=root
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spring.datasource.password=root
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# Hibernate
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# The SQL dialect makes Hibernate generate better SQL for the chosen database
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spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5Dialect
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# Hibernate ddl auto (create, create-drop, validate, update)
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spring.jpa.hibernate.ddl-auto = update
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logging.level.org.hibernate.SQL=DEBUG
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logging.level.org.hibernate.type=TRACE

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