de.tsl2.nano.persistence.replication.hibernate

Class EntityReplication

java.lang.Object

de.tsl2.nano.persistence.replication.hibernate.EntityReplication

public class EntityReplication
extends Object

 Replicates entities through hibernatesession.replicate(). EntityManagers will be load through their persistence unit names. 
 To use it, 
   - create a META-INF/persistence.xml in your classpath
   - describe the two persistence-units (source and destination)
   - call: new EntityManager(mySourceUnit, myDestUnit).replicate(myBeans)
   
 

Version:

$Revision$

Author:

Tom, Thomas Schneider

Constructor Summary

Constructors

Constructor and Description
EntityReplication(javax.persistence.EntityManager src, javax.persistence.EntityManager dest)
EntityReplication(String srcPersistenceUnit, String destPersistenceUnit)

Method Summary

Modifier and Type	Method and Description
static <T> T	load(String fileName, Class<T> entityClass)
static void	main(String[] args) Example parameters: - myPersistenceUnit1 - myPersistenceUnit1 - de.myproject.MyEntity - 10000000
<T> void	replicate(Class<T> entityClass, T... entities)
<T> void	replicate(java.util.function.Function<T,T> transformer, java.util.function.Consumer<T> strategy, T... entities)
<T> void	replicateFromIDs(Class<T> entityClass, Object... ids)
void	strategyHibReplicate(Object entity)
static void	strategySerialize(Object entity)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EntityReplication

public EntityReplication(String srcPersistenceUnit,
                         String destPersistenceUnit)

EntityReplication

public EntityReplication(javax.persistence.EntityManager src,
                         javax.persistence.EntityManager dest)

Method Detail

replicateFromIDs

public <T> void replicateFromIDs(Class<T> entityClass,
                                 Object... ids)

replicate

public <T> void replicate(Class<T> entityClass,
                          T... entities)

replicate

public <T> void replicate(java.util.function.Function<T,T> transformer,
                          java.util.function.Consumer<T> strategy,
                          T... entities)

strategySerialize

public static void strategySerialize(Object entity)

strategyHibReplicate

public void strategyHibReplicate(Object entity)

load

public static <T> T load(String fileName,
                         Class<T> entityClass)

main

public static void main(String[] args)
                 throws Exception

 Example parameters:
  - myPersistenceUnit1
  - myPersistenceUnit1
  - de.myproject.MyEntity
  - 10000000
 

Throws:

Exception