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Mar 26, 2025
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JAVA-41259 Moved code of article jpa-stored-procedures from java-jpa … #18417

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042b12b
JAVA-41259 Moved code of article jpa-stored-procedures from java-jpa …
Bipinkumar27 Mar 18, 2025
b53a0b5
JAVA-41259 Moved code of article jpa-basic-annotation from java-jpa t…
Bipinkumar27 Mar 18, 2025
ebe9574
JAVA-41259 Moved code of article jpa-error-java-lang-string-cannot-be…
Bipinkumar27 Mar 20, 2025
14c4c5e
JAVA-41259 Moved code of article java-convert-localdate-sql-date from…
Bipinkumar27 Mar 20, 2025
e7b1bf0
JAVA-41259 Moved code of article jpa-java-time from java-jpa to java-…
Bipinkumar27 Mar 20, 2025
e796dad
JAVA-41259 Moved code of article jpa-query-parameters from java-jpa-…
Bipinkumar27 Mar 21, 2025
6d70b50
JAVA-41259 Moved code of article jpa-default-column-values from java-…
Bipinkumar27 Mar 21, 2025
80853ed
JAVA-41259 Moved code of article jpa-get-auto-generated-id from java-…
Bipinkumar27 Mar 21, 2025
8729227
JAVA-41259 Moved code of article jpa-sql-resultset-mapping from java-…
Bipinkumar27 Mar 25, 2025
e2efbf9
JAVA-41259 Moved code of article jpa-unique-constraints from java-jpa…
Bipinkumar27 Mar 26, 2025
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2 changes: 0 additions & 2 deletions persistence-modules/java-jpa-2/README.md
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Expand Up @@ -4,9 +4,7 @@ This module contains articles about the Java Persistence API (JPA) in Java.

### Relevant Articles

- [JPA Query Parameters Usage](https://www.baeldung.com/jpa-query-parameters)
- [Mapping Entity Class Names to SQL Table Names with JPA](https://www.baeldung.com/jpa-entity-table-names)
- [Default Column Values in JPA](https://www.baeldung.com/jpa-default-column-values)
- [Types of JPA Queries](https://www.baeldung.com/jpa-queries)
- [JPA/Hibernate Projections](https://www.baeldung.com/jpa-hibernate-projections)
- [Combining JPA And/Or Criteria Predicates](https://www.baeldung.com/jpa-and-or-criteria-predicates)
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17 changes: 0 additions & 17 deletions persistence-modules/java-jpa-2/src/main/resources/META-INF/persistence.xml
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Expand Up @@ -39,23 +39,6 @@
</properties>
</persistence-unit>

<persistence-unit name="entity-default-values">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>com.baeldung.jpa.defaultvalues.User</class>
<class>com.baeldung.jpa.defaultvalues.UserEntity</class>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
<property name="jakarta.persistence.jdbc.driver" value="org.h2.Driver" />
<property name="jakarta.persistence.jdbc.url" value="jdbc:h2:mem:test" />
<property name="jakarta.persistence.jdbc.user" value="sa" />
<property name="jakarta.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-query-types">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>com.baeldung.jpa.querytypes.UserEntity</class>
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35 changes: 0 additions & 35 deletions persistence-modules/java-jpa-2/src/test/resources/META-INF/persistence.xml
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Expand Up @@ -4,24 +4,6 @@
version="3.0"
xsi:schemaLocation="https://jakarta.ee/xml/ns/persistence https://jakarta.ee/xml/ns/persistence/persistence_3_0.xsd">

<persistence-unit name="jpa-h2-queryparams"
transaction-type="RESOURCE_LOCAL">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>com.baeldung.jpa.queryparams.Employee</class>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
<property name="jakarta.persistence.jdbc.driver" value="org.h2.Driver" />
<property name="jakarta.persistence.jdbc.url" value="jdbc:h2:mem:test" />
<property name="jakarta.persistence.jdbc.user" value="sa" />
<property name="jakarta.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="false" />
<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false" />
<property name="jakarta.persistence.sql-load-script-source" value="queryparams.sql" />
</properties>
</persistence-unit>


<persistence-unit name="jpa-h2-text">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
Expand All @@ -39,23 +21,6 @@
</properties>
</persistence-unit>

<persistence-unit name="entity-default-values">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>com.baeldung.jpa.defaultvalues.User</class>
<class>com.baeldung.jpa.defaultvalues.UserEntity</class>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
<property name="jakarta.persistence.jdbc.driver" value="org.h2.Driver" />
<property name="jakarta.persistence.jdbc.url" value="jdbc:h2:mem:test" />
<property name="jakarta.persistence.jdbc.user" value="sa" />
<property name="jakarta.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="false" />
<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false" />
</properties>
</persistence-unit>

<persistence-unit name="jpa-query-types">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>com.baeldung.jpa.querytypes.UserEntity</class>
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2 changes: 0 additions & 2 deletions persistence-modules/java-jpa-3/README.md
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Expand Up @@ -10,7 +10,5 @@ This module contains articles about the Java Persistence API (JPA) in Java.
- [JPA CascadeType.REMOVE vs orphanRemoval](https://www.baeldung.com/jpa-cascade-remove-vs-orphanremoval)
- [A Guide to MultipleBagFetchException in Hibernate](https://www.baeldung.com/java-hibernate-multiplebagfetchexception)
- [How to Convert a Hibernate Proxy to a Real Entity Object](https://www.baeldung.com/hibernate-proxy-to-real-entity-object)
- [Returning an Auto-Generated Id with JPA](https://www.baeldung.com/jpa-get-auto-generated-id)
- [How to Return Multiple Entities in JPA Query](https://www.baeldung.com/jpa-return-multiple-entities)
- [Defining Unique Constraints in JPA](https://www.baeldung.com/jpa-unique-constraints)
- [Connecting to a Specific Schema in JDBC](https://www.baeldung.com/jdbc-connect-to-schema)
33 changes: 1 addition & 32 deletions persistence-modules/java-jpa-3/src/main/resources/META-INF/persistence.xml
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Expand Up @@ -97,38 +97,7 @@
<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false"/>
</properties>
</persistence-unit>

<persistence-unit name="jpa-h2-id-generation">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>com.baeldung.jpa.IdGeneration.User</class>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
<property name="jakarta.persistence.jdbc.driver" value="org.h2.Driver"/>
<property name="jakarta.persistence.jdbc.url" value="jdbc:h2:mem:idGen"/>
<property name="jakarta.persistence.jdbc.user" value="sa"/>
<property name="jakarta.persistence.jdbc.password" value=""/>
<property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/>
<property name="hibernate.hbm2ddl.auto" value="create-drop"/>
<property name="hibernate.format_sql" value="true"/>
<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false"/>
</properties>
</persistence-unit>
<persistence-unit name="jpa-unique-constraints">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>com.baeldung.jpa.uniqueconstraints.Person</class>
<class>com.baeldung.jpa.uniqueconstraints.Address</class>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
<property name="jakarta.persistence.jdbc.driver" value="org.h2.Driver" />
<property name="jakarta.persistence.jdbc.url" value="jdbc:h2:mem:test" />
<property name="jakarta.persistence.jdbc.user" value="sa" />
<property name="jakarta.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-h2-return-multiple-entities">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>com.baeldung.jpa.returnmultipleentities.Channel</class>
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6 changes: 6 additions & 0 deletions persistence-modules/java-jpa-4/README.md
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Expand Up @@ -8,3 +8,9 @@ This module contains articles about the Java Persistence API (JPA) in Java.
- [Clear Managed Entities in JPA/Hibernate](https://www.baeldung.com/hibernate-clear-managed-entities)
- [Fixing the “Could Not Determine Recommended JdbcType for Class” Error in JPA](https://www.baeldung.com/jpa-could-not-determine-recommended-jdbctype-for-class)
- [How to Clone a JPA Entity](https://www.baeldung.com/java-jpa-clone-entity)
- [A Guide to Stored Procedures with JPA](https://www.baeldung.com/jpa-stored-procedures)
- [JPA @Basic Annotation](https://www.baeldung.com/jpa-basic-annotation)
- [Fixing the JPA error “java.lang.String cannot be cast to Ljava.lang.String;”](https://www.baeldung.com/jpa-error-java-lang-string-cannot-be-cast)
- [Converting Between LocalDate and SQL Date](https://www.baeldung.com/java-convert-localdate-sql-date)
- [JPA Support for java.time Types](https://www.baeldung.com/jpa-java-time)
- [A Guide to SqlResultSetMapping](https://www.baeldung.com/jpa-sql-resultset-mapping)
6 changes: 6 additions & 0 deletions persistence-modules/java-jpa-4/pom.xml
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Expand Up @@ -50,6 +50,11 @@
<artifactId>modelmapper</artifactId>
<version>${modelmapper.version}</version>
</dependency>
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
<version>${mysql.version}</version>
</dependency>
</dependencies>

<build>
Expand All @@ -74,6 +79,7 @@
<fasterxml.jackson.version>2.17.0</fasterxml.jackson.version>
<commons.beanutils.version>1.9.4</commons.beanutils.version>
<modelmapper.version>3.2.1</modelmapper.version>
<mysql.version>8.4.0</mysql.version>
</properties>

</project>
0 .../baeldung/jpa/basicannotation/Course.java → .../baeldung/jpa/basicannotation/Course.java
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0 .../jpa/convertdates/LocalDateConverter.java → .../jpa/convertdates/LocalDateConverter.java
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136 changes: 68 additions & 68 deletions ...pa/datetime/DateTimeEntityRepository.java → ...pa/datetime/DateTimeEntityRepository.java
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@@ -1,68 +1,68 @@
package com.baeldung.jpa.datetime;
import jakarta.persistence.EntityManager;
import jakarta.persistence.EntityManagerFactory;
import jakarta.persistence.Persistence;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.time.*;
import java.util.Calendar;
public class DateTimeEntityRepository {
private EntityManagerFactory emf = null;
public DateTimeEntityRepository() {
emf = Persistence.createEntityManagerFactory("java8-datetime-postgresql");
}
public JPA22DateTimeEntity find(Long id) {
EntityManager entityManager = emf.createEntityManager();
JPA22DateTimeEntity dateTimeTypes = entityManager.find(JPA22DateTimeEntity.class, id);
entityManager.close();
return dateTimeTypes;
}
public void save(Long id) {
JPA22DateTimeEntity dateTimeTypes = new JPA22DateTimeEntity();
dateTimeTypes.setId(id);
//java.sql types: date/time
dateTimeTypes.setSqlTime(Time.valueOf(LocalTime.now()));
dateTimeTypes.setSqlDate(Date.valueOf(LocalDate.now()));
dateTimeTypes.setSqlTimestamp(Timestamp.valueOf(LocalDateTime.now()));
//java.util types: date/calendar
java.util.Date date = new java.util.Date();
dateTimeTypes.setUtilTime(date);
dateTimeTypes.setUtilDate(date);
dateTimeTypes.setUtilTimestamp(date);
//Calendar
Calendar calendar = Calendar.getInstance();
dateTimeTypes.setCalendarTime(calendar);
dateTimeTypes.setCalendarDate(calendar);
dateTimeTypes.setCalendarTimestamp(calendar);
//java.time types
dateTimeTypes.setLocalTime(LocalTime.now());
dateTimeTypes.setLocalDate(LocalDate.now());
dateTimeTypes.setLocalDateTime(LocalDateTime.now());
//java.time types with offset
dateTimeTypes.setOffsetTime(OffsetTime.now());
dateTimeTypes.setOffsetDateTime(OffsetDateTime.now());
EntityManager entityManager = emf.createEntityManager();
entityManager.getTransaction().begin();
entityManager.persist(dateTimeTypes);
entityManager.getTransaction().commit();
entityManager.close();
}
public void clean() {
emf.close();
}
}
package com.baeldung.jpa.datetime;

import jakarta.persistence.EntityManager;
import jakarta.persistence.EntityManagerFactory;
import jakarta.persistence.Persistence;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.time.*;
import java.util.Calendar;

public class DateTimeEntityRepository {
private EntityManagerFactory emf = null;

public DateTimeEntityRepository() {
emf = Persistence.createEntityManagerFactory("java8-datetime-postgresql");
}

public JPA22DateTimeEntity find(Long id) {
EntityManager entityManager = emf.createEntityManager();

JPA22DateTimeEntity dateTimeTypes = entityManager.find(JPA22DateTimeEntity.class, id);

entityManager.close();
return dateTimeTypes;
}

public void save(Long id) {
JPA22DateTimeEntity dateTimeTypes = new JPA22DateTimeEntity();
dateTimeTypes.setId(id);

//java.sql types: date/time
dateTimeTypes.setSqlTime(Time.valueOf(LocalTime.now()));
dateTimeTypes.setSqlDate(Date.valueOf(LocalDate.now()));
dateTimeTypes.setSqlTimestamp(Timestamp.valueOf(LocalDateTime.now()));

//java.util types: date/calendar
java.util.Date date = new java.util.Date();
dateTimeTypes.setUtilTime(date);
dateTimeTypes.setUtilDate(date);
dateTimeTypes.setUtilTimestamp(date);

//Calendar
Calendar calendar = Calendar.getInstance();
dateTimeTypes.setCalendarTime(calendar);
dateTimeTypes.setCalendarDate(calendar);
dateTimeTypes.setCalendarTimestamp(calendar);

//java.time types
dateTimeTypes.setLocalTime(LocalTime.now());
dateTimeTypes.setLocalDate(LocalDate.now());
dateTimeTypes.setLocalDateTime(LocalDateTime.now());

//java.time types with offset
dateTimeTypes.setOffsetTime(OffsetTime.now());
dateTimeTypes.setOffsetDateTime(OffsetDateTime.now());

EntityManager entityManager = emf.createEntityManager();
entityManager.getTransaction().begin();
entityManager.persist(dateTimeTypes);
entityManager.getTransaction().commit();
entityManager.close();
}

public void clean() {
emf.close();
}
}
0 ...ung/jpa/datetime/JPA22DateTimeEntity.java → ...ung/jpa/datetime/JPA22DateTimeEntity.java
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34 changes: 17 additions & 17 deletions ...va/com/baeldung/jpa/datetime/MainApp.java → ...va/com/baeldung/jpa/datetime/MainApp.java
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@@ -1,18 +1,18 @@
package com.baeldung.jpa.datetime;
public class MainApp {
public static void main(String... args) {
DateTimeEntityRepository dateTimeEntityRepository = new DateTimeEntityRepository();
//Persist
dateTimeEntityRepository.save(100L);
//Find
JPA22DateTimeEntity dateTimeEntity = dateTimeEntityRepository.find(100L);
dateTimeEntityRepository.clean();
}
package com.baeldung.jpa.datetime;

public class MainApp {

public static void main(String... args) {

DateTimeEntityRepository dateTimeEntityRepository = new DateTimeEntityRepository();

//Persist
dateTimeEntityRepository.save(100L);

//Find
JPA22DateTimeEntity dateTimeEntity = dateTimeEntityRepository.find(100L);

dateTimeEntityRepository.clean();
}

}
0 ...main/java/com/baeldung/jpa/model/Car.java → ...main/java/com/baeldung/jpa/model/Car.java
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0 ...ung/jpa/sqlresultsetmapping/Employee.java → ...ung/jpa/sqlresultsetmapping/Employee.java
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0 ...jpa/sqlresultsetmapping/ScheduledDay.java → ...jpa/sqlresultsetmapping/ScheduledDay.java
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0 .../com/baeldung/jpa/stringcast/Message.java → .../com/baeldung/jpa/stringcast/Message.java
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0 ...aeldung/jpa/stringcast/QueryExecutor.java → ...aeldung/jpa/stringcast/QueryExecutor.java
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