org.datanucleus.api.jdo

Class JDOReplicationManager

java.lang.Object

org.datanucleus.api.jdo.JDOReplicationManager

public class JDOReplicationManager
extends Object

Manager to control the replication of objects from one datastore to another. Allow replication of specified objects, or all objects of particular types. Supports a series of properties defining the replication behaviour.

Field Summary

Fields

Modifier and Type	Field and Description
protected Properties	properties Properties defining the replication process.

Constructor Summary

Constructors

Constructor and Description
JDOReplicationManager(javax.jdo.PersistenceManagerFactory pmf1, javax.jdo.PersistenceManagerFactory pmf2) Constructor for replicating between source and target PMF.

Method Summary

Modifier and Type	Method and Description
protected boolean	getBooleanProperty(String key)
Properties	getProperties() Accessor for the replication properties.
void	replicate(Class... types) Method to perform the replication for all objects of the specified types.
void	replicate(Object... oids) Method to perform the replication of the objects defined by the supplied identities.
void	replicate(String... classNames) Method to perform the replication for all objects of the specified class names.
protected void	replicateInTarget(Object... detachedObjects) Method to replicate the provided detached objects in the target datastore.
void	replicateRegisteredClasses() Method to perform the replication for all objects registered in the pmf source.
void	setProperty(String key, String value) Method to set a property for replication.

Methods inherited from class java.lang.Object

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

Field Detail

properties

protected Properties properties

Properties defining the replication process.

Constructor Detail

JDOReplicationManager

public JDOReplicationManager(javax.jdo.PersistenceManagerFactory pmf1,
                             javax.jdo.PersistenceManagerFactory pmf2)

Constructor for replicating between source and target PMF.

Parameters:

pmf1 - PMF source

pmf2 - PMF target

Method Detail

setProperty

public void setProperty(String key,
                        String value)

Method to set a property for replication.

Parameters:

key - Property key

value - Property value

getProperties

public Properties getProperties()

Accessor for the replication properties. Supported properties include

• datanucleus.replicateObjectGraph - whether we replicate the object graph from an object. if this is set we attempt to replicate the graph from this object. Otherwise just the object and its near neighbours.

Returns:

Replication properties

getBooleanProperty

protected boolean getBooleanProperty(String key)

replicate

public void replicate(Class... types)

Method to perform the replication for all objects of the specified types.

Parameters:

types - Classes to replicate

replicate

public void replicate(String... classNames)

Method to perform the replication for all objects of the specified class names.

Parameters:

classNames - Classes to replicate

replicate

public void replicate(Object... oids)

Method to perform the replication of the objects defined by the supplied identities.

Parameters:

oids - Identities of the objects to replicate

replicateRegisteredClasses

public void replicateRegisteredClasses()

Method to perform the replication for all objects registered in the pmf source.

replicateInTarget

protected void replicateInTarget(Object... detachedObjects)

Method to replicate the provided detached objects in the target datastore.

Parameters:

detachedObjects - The detached objects (from the source datastore)