org.apache.jackrabbit.jcr2spi.state
Class ChangeLog

java.lang.Object
  org.apache.jackrabbit.jcr2spi.state.ChangeLog

public class ChangeLog
extends Object

Registers changes made to states and references and consolidates empty changes.

Method Summary

Set<ItemState>	getAffectedStates()
Set<Operation>	getOperations()
ItemState	getTarget()
boolean	isEmpty()
void	persisted() Call this method when this change log has been successfully persisted.
void	undo() Revert the changes listed within this changelog

Methods inherited from class java.lang.Object

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

Method Detail

persisted

public void persisted()
               throws RepositoryException

Call this method when this change log has been successfully persisted. This implementation will call Operation.persisted() on the individual operations followed by setting all remaining modified states to EXISTING.

Throws:

RepositoryException

undo

public void undo()
          throws RepositoryException

Revert the changes listed within this changelog

Throws:

RepositoryException

getTarget

public ItemState getTarget()

Returns:

the target state

isEmpty

public boolean isEmpty()

Returns:

true if no operations are present.

getOperations

public Set<Operation> getOperations()

Returns:

set of operations.

getAffectedStates

public Set<ItemState> getAffectedStates()

Returns:

set of the affected states.