BAEL-2901 Composite primary keys in JPA (#6994)
* BAEL-2901 Composite primary keys in JPA * Formatted code using the recommended formatter.xml
This commit is contained in:
Vivek
Josh Cummings
parent
41eb61026b
commit
f4b38eed2a
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package com.baeldung.jpa.entity;
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import javax.persistence.Entity;
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import javax.persistence.Id;
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import javax.persistence.IdClass;
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@Entity
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@IdClass(AccountId.class)
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public class Account {
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@Id
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private String accountNumber;
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@Id
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private String accountType;
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private String description;
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public String getAccountNumber() {
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return accountNumber;
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}
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public void setAccountNumber(String accountNumber) {
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this.accountNumber = accountNumber;
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}
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public String getAccountType() {
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return accountType;
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}
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public void setAccountType(String accountType) {
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this.accountType = accountType;
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}
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public String getDescription() {
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return description;
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}
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public void setDescription(String description) {
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this.description = description;
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}
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}
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@ -0,0 +1,52 @@
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package com.baeldung.jpa.entity;
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import java.io.Serializable;
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public class AccountId implements Serializable {
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private static final long serialVersionUID = 1L;
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private String accountNumber;
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private String accountType;
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public AccountId() {
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}
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public AccountId(String accountNumber, String accountType) {
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this.accountNumber = accountNumber;
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this.accountType = accountType;
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}
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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result = prime * result + ((accountNumber == null) ? 0 : accountNumber.hashCode());
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result = prime * result + ((accountType == null) ? 0 : accountType.hashCode());
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return result;
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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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AccountId other = (AccountId) obj;
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if (accountNumber == null) {
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if (other.accountNumber != null)
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return false;
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} else if (!accountNumber.equals(other.accountNumber))
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return false;
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if (accountType == null) {
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if (other.accountType != null)
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return false;
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} else if (!accountType.equals(other.accountType))
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return false;
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return true;
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}
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}
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@ -0,0 +1,34 @@
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package com.baeldung.jpa.entity;
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import javax.persistence.EmbeddedId;
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import javax.persistence.Entity;
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@Entity
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public class Book {
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@EmbeddedId
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private BookId bookId;
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private String description;
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public Book() {
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}
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public Book(BookId bookId) {
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this.bookId = bookId;
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}
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public BookId getBookId() {
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return bookId;
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}
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public String getDescription() {
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return description;
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}
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public void setDescription(String description) {
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this.description = description;
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}
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}
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@ -0,0 +1,62 @@
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package com.baeldung.jpa.entity;
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import java.io.Serializable;
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import javax.persistence.Embeddable;
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@Embeddable
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public class BookId implements Serializable {
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private static final long serialVersionUID = 1L;
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private String title;
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private String language;
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public BookId() {
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}
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public BookId(String title, String language) {
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this.title = title;
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this.language = language;
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}
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public String getTitle() {
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return title;
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}
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public String getLanguage() {
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return language;
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}
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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result = prime * result + ((language == null) ? 0 : language.hashCode());
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result = prime * result + ((title == null) ? 0 : title.hashCode());
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return result;
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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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BookId other = (BookId) obj;
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if (language == null) {
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if (other.language != null)
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return false;
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} else if (!language.equals(other.language))
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return false;
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if (title == null) {
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if (other.title != null)
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return false;
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} else if (!title.equals(other.title))
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return false;
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return true;
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}
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}
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@ -1,183 +1,226 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
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http://xmlns.jcp.org/xml/ns/persistence/persistence_2_2.xsd"
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version="2.2">
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version="2.2">
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<persistence-unit name="java-jpa-scheduled-day">
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<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
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<class>com.baeldung.sqlresultsetmapping.ScheduledDay</class>
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<class>com.baeldung.sqlresultsetmapping.Employee</class>
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<exclude-unlisted-classes>true</exclude-unlisted-classes>
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<properties>
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<property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
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<property name="javax.persistence.jdbc.url"
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value="jdbc:h2:mem:test;INIT=RUNSCRIPT FROM 'classpath:database.sql'"/>
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<property name="javax.persistence.jdbc.user" value="sa"/>
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<property name="javax.persistence.jdbc.password" value=""/>
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<property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/>
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<!--<property name="hibernate.hbm2ddl.auto" value="create-drop" />-->
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<property name="show_sql" value="true"/>
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<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false"/>
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</properties>
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</persistence-unit>
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<persistence-unit name="java-jpa-scheduled-day">
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<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
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<class>com.baeldung.sqlresultsetmapping.ScheduledDay</class>
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<class>com.baeldung.sqlresultsetmapping.Employee</class>
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<exclude-unlisted-classes>true</exclude-unlisted-classes>
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<properties>
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<property name="javax.persistence.jdbc.driver"
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value="org.h2.Driver" />
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<property name="javax.persistence.jdbc.url"
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value="jdbc:h2:mem:test;INIT=RUNSCRIPT FROM 'classpath:database.sql'" />
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<property name="javax.persistence.jdbc.user" value="sa" />
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<property name="javax.persistence.jdbc.password" value="" />
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<property name="hibernate.dialect"
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value="org.hibernate.dialect.H2Dialect" />
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<!--<property name="hibernate.hbm2ddl.auto" value="create-drop" /> -->
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<property name="show_sql" value="true" />
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<property name="hibernate.temp.use_jdbc_metadata_defaults"
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value="false" />
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</properties>
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</persistence-unit>
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<persistence-unit name="jpa-h2">
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<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
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<class>com.baeldung.jpa.stringcast.Message</class>
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<class>com.baeldung.jpa.enums.Article</class>
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<class>com.baeldung.jpa.enums.CategoryConverter</class>
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<exclude-unlisted-classes>true</exclude-unlisted-classes>
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<properties>
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<property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
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<property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test"/>
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<property name="javax.persistence.jdbc.user" value="sa"/>
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<property name="javax.persistence.jdbc.password" value=""/>
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<property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/>
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<property name="hibernate.hbm2ddl.auto" value="create-drop"/>
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<property name="show_sql" value="true"/>
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<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false"/>
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</properties>
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</persistence-unit>
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<persistence-unit name="jpa-h2">
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<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
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<class>com.baeldung.jpa.stringcast.Message</class>
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<class>com.baeldung.jpa.enums.Article</class>
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<class>com.baeldung.jpa.enums.CategoryConverter</class>
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<exclude-unlisted-classes>true</exclude-unlisted-classes>
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<properties>
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<property name="javax.persistence.jdbc.driver"
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value="org.h2.Driver" />
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<property name="javax.persistence.jdbc.url"
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value="jdbc:h2:mem:test" />
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<property name="javax.persistence.jdbc.user" value="sa" />
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<property name="javax.persistence.jdbc.password" value="" />
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<property name="hibernate.dialect"
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value="org.hibernate.dialect.H2Dialect" />
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<property name="hibernate.hbm2ddl.auto" value="create-drop" />
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<property name="show_sql" value="true" />
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<property name="hibernate.temp.use_jdbc_metadata_defaults"
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value="false" />
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</properties>
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</persistence-unit>
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<persistence-unit name="jpa-db">
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<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
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<class>com.baeldung.jpa.model.Car</class>
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<exclude-unlisted-classes>true</exclude-unlisted-classes>
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<properties>
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<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
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<property name="javax.persistence.jdbc.url" value="jdbc:mysql://127.0.0.1:3306/baeldung"/>
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<property name="javax.persistence.jdbc.user" value="baeldung"/>
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<property name="javax.persistence.jdbc.password" value="YourPassword"/>
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<property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/>
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<property name="hibernate.show_sql" value="true"/>
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</properties>
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</persistence-unit>
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<persistence-unit name="jpa-db">
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<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
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<class>com.baeldung.jpa.model.Car</class>
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<exclude-unlisted-classes>true</exclude-unlisted-classes>
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<properties>
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<property name="javax.persistence.jdbc.driver"
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value="com.mysql.jdbc.Driver" />
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<property name="javax.persistence.jdbc.url"
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value="jdbc:mysql://127.0.0.1:3306/baeldung" />
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<property name="javax.persistence.jdbc.user"
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value="baeldung" />
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<property name="javax.persistence.jdbc.password"
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value="YourPassword" />
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<property name="hibernate.dialect"
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value="org.hibernate.dialect.MySQLDialect" />
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<property name="hibernate.show_sql" value="true" />
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</properties>
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</persistence-unit>
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<persistence-unit name="entity-graph-pu" transaction-type="RESOURCE_LOCAL">
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<class>com.baeldung.jpa.entitygraph.model.Post</class>
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<class>com.baeldung.jpa.entitygraph.model.User</class>
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<class>com.baeldung.jpa.entitygraph.model.Comment</class>
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<exclude-unlisted-classes>true</exclude-unlisted-classes>
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<properties>
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<persistence-unit name="entity-graph-pu"
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transaction-type="RESOURCE_LOCAL">
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<class>com.baeldung.jpa.entitygraph.model.Post</class>
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<class>com.baeldung.jpa.entitygraph.model.User</class>
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<class>com.baeldung.jpa.entitygraph.model.Comment</class>
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<exclude-unlisted-classes>true</exclude-unlisted-classes>
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<properties>
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<!--H2-->
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<property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
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<property name="javax.persistence.jdbc.url"
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value="jdbc:h2:mem:entitygraphdb;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE"/>
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<!--H2 -->
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<property name="javax.persistence.jdbc.driver"
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value="org.h2.Driver" />
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<property name="javax.persistence.jdbc.url"
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value="jdbc:h2:mem:entitygraphdb;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE" />
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<property name="javax.persistence.schema-generation.database.action" value="drop-and-create"/>
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<property name="javax.persistence.sql-load-script-source" value="data-init.sql"/>
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</properties>
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</persistence-unit>
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<property
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name="javax.persistence.schema-generation.database.action"
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value="drop-and-create" />
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<property name="javax.persistence.sql-load-script-source"
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value="data-init.sql" />
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</properties>
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</persistence-unit>
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<persistence-unit name="java8-datetime-postgresql" transaction-type="RESOURCE_LOCAL">
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<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
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<class>com.baeldung.jpa.datetime.JPA22DateTimeEntity</class>
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<exclude-unlisted-classes>true</exclude-unlisted-classes>
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<properties>
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<property name="javax.persistence.jdbc.driver" value="org.postgresql.Driver"/>
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<property name="javax.persistence.jdbc.url" value="jdbc:postgresql://localhost:5432/java8-datetime2"/>
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<property name="javax.persistence.jdbc.user" value="postgres"/>
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<property name="javax.persistence.jdbc.password" value="postgres"/>
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<property name="javax.persistence.schema-generation.database.action" value="drop-and-create"/>
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<persistence-unit name="java8-datetime-postgresql"
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transaction-type="RESOURCE_LOCAL">
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<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
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<class>com.baeldung.jpa.datetime.JPA22DateTimeEntity</class>
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<exclude-unlisted-classes>true</exclude-unlisted-classes>
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<properties>
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<property name="javax.persistence.jdbc.driver"
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value="org.postgresql.Driver" />
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<property name="javax.persistence.jdbc.url"
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value="jdbc:postgresql://localhost:5432/java8-datetime2" />
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<property name="javax.persistence.jdbc.user"
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value="postgres" />
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<property name="javax.persistence.jdbc.password"
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value="postgres" />
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<property
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name="javax.persistence.schema-generation.database.action"
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value="drop-and-create" />
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<!-- configure logging -->
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<property name="eclipselink.logging.level" value="INFO"/>
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<property name="eclipselink.logging.level.sql" value="FINE"/>
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<property name="eclipselink.logging.parameters" value="true"/>
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</properties>
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</persistence-unit>
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<!-- configure logging -->
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<property name="eclipselink.logging.level" value="INFO" />
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<property name="eclipselink.logging.level.sql" value="FINE" />
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<property name="eclipselink.logging.parameters" value="true" />
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</properties>
|
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</persistence-unit>
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<persistence-unit name="jpa-h2-criteria">
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<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
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<class>com.baeldung.jpa.criteria.entity.Item</class>
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<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
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<properties>
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<property name="javax.persistence.jdbc.driver"
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value="org.h2.Driver" />
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<property name="javax.persistence.jdbc.url"
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value="jdbc:h2:mem:test" />
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<property name="javax.persistence.jdbc.user" value="sa" />
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<property name="javax.persistence.jdbc.password" value="" />
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<property name="hibernate.dialect"
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value="org.hibernate.dialect.H2Dialect" />
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<property name="hibernate.hbm2ddl.auto" value="create-drop" />
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<property name="show_sql" value="true" />
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<property name="hibernate.temp.use_jdbc_metadata_defaults"
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value="false" />
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<property name="javax.persistence.sql-load-script-source" value="item.sql"/>
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</properties>
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</persistence-unit>
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<persistence-unit name="jpa-h2-criteria">
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<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
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<class>com.baeldung.jpa.criteria.entity.Item</class>
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<exclude-unlisted-classes>true</exclude-unlisted-classes>
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<properties>
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<property name="javax.persistence.jdbc.driver"
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value="org.h2.Driver" />
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<property name="javax.persistence.jdbc.url"
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value="jdbc:h2:mem:test" />
|
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<property name="javax.persistence.jdbc.user" value="sa" />
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<property name="javax.persistence.jdbc.password" value="" />
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<property name="hibernate.dialect"
|
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value="org.hibernate.dialect.H2Dialect" />
|
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<property name="hibernate.hbm2ddl.auto" value="create-drop" />
|
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<property name="show_sql" value="true" />
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<property name="hibernate.temp.use_jdbc_metadata_defaults"
|
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value="false" />
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<property name="javax.persistence.sql-load-script-source"
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value="item.sql" />
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</properties>
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</persistence-unit>
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<persistence-unit name="jpa-query-types">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.querytypes.UserEntity</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver"
|
||||
value="org.h2.Driver" />
|
||||
<property name="javax.persistence.jdbc.url"
|
||||
value="jdbc:h2:mem:test" />
|
||||
<property name="javax.persistence.jdbc.user" value="sa" />
|
||||
<property name="javax.persistence.jdbc.password" value="" />
|
||||
<property name="hibernate.dialect"
|
||||
value="org.hibernate.dialect.H2Dialect" />
|
||||
<property name="hibernate.hbm2ddl.auto" value="create-drop" />
|
||||
<property name="show_sql" value="true" />
|
||||
<property name="hibernate.temp.use_jdbc_metadata_defaults"
|
||||
value="false" />
|
||||
<property name="javax.persistence.sql-load-script-source" value="users.sql"/>
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
<persistence-unit name="jpa-query-types">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.querytypes.UserEntity</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver"
|
||||
value="org.h2.Driver" />
|
||||
<property name="javax.persistence.jdbc.url"
|
||||
value="jdbc:h2:mem:test" />
|
||||
<property name="javax.persistence.jdbc.user" value="sa" />
|
||||
<property name="javax.persistence.jdbc.password" value="" />
|
||||
<property name="hibernate.dialect"
|
||||
value="org.hibernate.dialect.H2Dialect" />
|
||||
<property name="hibernate.hbm2ddl.auto" value="create-drop" />
|
||||
<property name="show_sql" value="true" />
|
||||
<property name="hibernate.temp.use_jdbc_metadata_defaults"
|
||||
value="false" />
|
||||
<property name="javax.persistence.sql-load-script-source"
|
||||
value="users.sql" />
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
<persistence-unit name="entity-default-values">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.defaultvalues.User</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver" value="org.h2.Driver" />
|
||||
<property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test" />
|
||||
<property name="javax.persistence.jdbc.user" value="sa" />
|
||||
<property name="javax.persistence.jdbc.password" value="" />
|
||||
<property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect" />
|
||||
<property name="hibernate.hbm2ddl.auto" value="create-drop" />
|
||||
<property name="show_sql" value="true" />
|
||||
<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false" />
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
<persistence-unit name="jpa-entity-definition">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.entity.Student</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver" value="org.h2.Driver" />
|
||||
<property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test" />
|
||||
<property name="javax.persistence.jdbc.user" value="sa" />
|
||||
<property name="javax.persistence.jdbc.password" value="" />
|
||||
<property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect" />
|
||||
<property name="hibernate.hbm2ddl.auto" value="create-drop" />
|
||||
<property name="show_sql" value="true" />
|
||||
<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false" />
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
<persistence-unit name="entity-default-values">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.defaultvalues.User</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver"
|
||||
value="org.h2.Driver" />
|
||||
<property name="javax.persistence.jdbc.url"
|
||||
value="jdbc:h2:mem:test" />
|
||||
<property name="javax.persistence.jdbc.user" value="sa" />
|
||||
<property name="javax.persistence.jdbc.password" value="" />
|
||||
<property name="hibernate.dialect"
|
||||
value="org.hibernate.dialect.H2Dialect" />
|
||||
<property name="hibernate.hbm2ddl.auto" value="create-drop" />
|
||||
<property name="show_sql" value="true" />
|
||||
<property name="hibernate.temp.use_jdbc_metadata_defaults"
|
||||
value="false" />
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
<persistence-unit name="jpa-projections">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.projections.Product</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
|
||||
<property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test"/>
|
||||
<property name="javax.persistence.jdbc.user" value="sa"/>
|
||||
<property name="javax.persistence.jdbc.password" value=""/>
|
||||
<property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/>
|
||||
<property name="hibernate.hbm2ddl.auto" value="create-drop"/>
|
||||
<property name="show_sql" value="true"/>
|
||||
<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false"/>
|
||||
<property name="javax.persistence.sql-load-script-source" value="products_jpa.sql"/>
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
<persistence-unit name="jpa-entity-definition">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.entity.Student</class>
|
||||
<class>com.baeldung.jpa.entity.Book</class>
|
||||
<class>com.baeldung.jpa.entity.BookId</class>
|
||||
<class>com.baeldung.jpa.entity.Account</class>
|
||||
<class>com.baeldung.jpa.entity.AccountId</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver"
|
||||
value="org.h2.Driver" />
|
||||
<property name="javax.persistence.jdbc.url"
|
||||
value="jdbc:h2:mem:test" />
|
||||
<property name="javax.persistence.jdbc.user" value="sa" />
|
||||
<property name="javax.persistence.jdbc.password" value="" />
|
||||
<property name="hibernate.dialect"
|
||||
value="org.hibernate.dialect.H2Dialect" />
|
||||
<property name="hibernate.hbm2ddl.auto" value="create-drop" />
|
||||
<property name="show_sql" value="true" />
|
||||
<property name="hibernate.temp.use_jdbc_metadata_defaults"
|
||||
value="false" />
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
|
||||
<persistence-unit name="jpa-projections">
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.jpa.projections.Product</class>
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver"
|
||||
value="org.h2.Driver" />
|
||||
<property name="javax.persistence.jdbc.url"
|
||||
value="jdbc:h2:mem:test" />
|
||||
<property name="javax.persistence.jdbc.user" value="sa" />
|
||||
<property name="javax.persistence.jdbc.password" value="" />
|
||||
<property name="hibernate.dialect"
|
||||
value="org.hibernate.dialect.H2Dialect" />
|
||||
<property name="hibernate.hbm2ddl.auto" value="create-drop" />
|
||||
<property name="show_sql" value="true" />
|
||||
<property name="hibernate.temp.use_jdbc_metadata_defaults"
|
||||
value="false" />
|
||||
<property name="javax.persistence.sql-load-script-source"
|
||||
value="products_jpa.sql" />
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
</persistence>
|
||||
|
|
@ -0,0 +1,114 @@
|
|||
package com.baeldung.jpa.entity;
|
||||
|
||||
import static org.junit.Assert.assertNotNull;
|
||||
import static org.junit.jupiter.api.Assertions.assertEquals;
|
||||
|
||||
import javax.persistence.EntityManager;
|
||||
import javax.persistence.EntityManagerFactory;
|
||||
import javax.persistence.Persistence;
|
||||
|
||||
import org.junit.AfterClass;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
|
||||
public class CompositeKeysIntegrationTest {
|
||||
|
||||
private static final String SAVINGS_ACCOUNT = "Savings";
|
||||
private static final String ACCOUNT_NUMBER = "JXSDF324234";
|
||||
private static final String ENGLISH = "English";
|
||||
private static final String WAR_AND_PEACE = "War and Peace";
|
||||
|
||||
private static EntityManagerFactory emf;
|
||||
private static EntityManager em;
|
||||
|
||||
@BeforeClass
|
||||
public static void setup() {
|
||||
emf = Persistence.createEntityManagerFactory("jpa-entity-definition");
|
||||
em = emf.createEntityManager();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void persistBookWithCompositeKeyThenRetrieveDetails() {
|
||||
Book warAndPeace = createBook();
|
||||
persist(warAndPeace);
|
||||
clearThePersistenceContext();
|
||||
Book book = findBookByBookId();
|
||||
verifyAssertionsWith(book);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void persistAccountWithCompositeKeyThenRetrieveDetails() {
|
||||
Account savingsAccount = createAccount();
|
||||
persist(savingsAccount);
|
||||
clearThePersistenceContext();
|
||||
Account account = findAccountByAccountId();
|
||||
verifyAssertionsWith(account);
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
public static void destroy() {
|
||||
if (em != null) {
|
||||
em.close();
|
||||
}
|
||||
if (emf != null) {
|
||||
emf.close();
|
||||
}
|
||||
}
|
||||
|
||||
private Account createAccount() {
|
||||
Account savingsAccount = new Account();
|
||||
savingsAccount.setAccountNumber(ACCOUNT_NUMBER);
|
||||
savingsAccount.setAccountType(SAVINGS_ACCOUNT);
|
||||
savingsAccount.setDescription("Savings account");
|
||||
return savingsAccount;
|
||||
}
|
||||
|
||||
private void verifyAssertionsWith(Account account) {
|
||||
assertEquals(ACCOUNT_NUMBER, account.getAccountNumber());
|
||||
assertEquals(SAVINGS_ACCOUNT, account.getAccountType());
|
||||
}
|
||||
|
||||
private Account findAccountByAccountId() {
|
||||
return em.find(Account.class, new AccountId(ACCOUNT_NUMBER, SAVINGS_ACCOUNT));
|
||||
}
|
||||
|
||||
private void persist(Account account) {
|
||||
em.getTransaction()
|
||||
.begin();
|
||||
em.persist(account);
|
||||
em.getTransaction()
|
||||
.commit();
|
||||
}
|
||||
|
||||
private Book findBookByBookId() {
|
||||
return em.find(Book.class, new BookId(WAR_AND_PEACE, ENGLISH));
|
||||
}
|
||||
|
||||
private Book createBook() {
|
||||
BookId bookId = new BookId(WAR_AND_PEACE, ENGLISH);
|
||||
Book warAndPeace = new Book(bookId);
|
||||
warAndPeace.setDescription("Novel and Historical Fiction");
|
||||
return warAndPeace;
|
||||
}
|
||||
|
||||
private void verifyAssertionsWith(Book book) {
|
||||
assertNotNull(book);
|
||||
assertNotNull(book.getBookId());
|
||||
assertEquals(WAR_AND_PEACE, book.getBookId()
|
||||
.getTitle());
|
||||
assertEquals(ENGLISH, book.getBookId()
|
||||
.getLanguage());
|
||||
}
|
||||
|
||||
private void persist(Book book) {
|
||||
em.getTransaction()
|
||||
.begin();
|
||||
em.persist(book);
|
||||
em.getTransaction()
|
||||
.commit();
|
||||
}
|
||||
|
||||
private void clearThePersistenceContext() {
|
||||
em.clear();
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue