org.apache.openjpa.event
Class TransactionEvent

java.lang.Object
  extended by java.util.EventObject
      extended by org.apache.openjpa.event.TransactionEvent
All Implemented Interfaces:
Serializable

public class TransactionEvent
extends EventObject

A transactional event. The event source is the Broker whose transaction state changed.

Since:
0.3.0
Author:
Abe White
See Also:
Serialized Form

Field Summary
static int AFTER_BEGIN
          Event type signifying that a transaction has just begun.
static int AFTER_COMMIT
          Event type signifying that the transaction has committed.
static int AFTER_COMMIT_COMPLETE
          Event type signifying that the commit has completey ended and the transaction is no longer active.
static int AFTER_FLUSH
          Event type signifying that changes have been flushed to the datastore.
static int AFTER_ROLLBACK
          Event type signifying that the transaction was rolled back.
static int AFTER_ROLLBACK_COMPLETE
          Event type signifying that the rollback has completey ended and the transaction is no longer active.
static int AFTER_STATE_TRANSITIONS
          Event type signifying that all state transitions have been made.
static int BEFORE_COMMIT
          Event type signifying that the transaction is about to be committed.
static int BEFORE_FLUSH
          Event type signifying that changes are about to be flushed to the datastore.
 
Fields inherited from class java.util.EventObject
source
 
Constructor Summary
TransactionEvent(Broker broker, int type, Collection objs, Collection addClss, Collection updateClss, Collection deleteClss)
          Constructor.
 
Method Summary
 Collection getDeletedTypes()
          Return the unmodifiable the set of classes of persistence capable objects that were deleted in the transaction.
 Collection getPersistedTypes()
          Return the unmodifiable the set of classes of persistence capable objects that were created in the transaction.
 Collection getTransactionalObjects()
          Return the unmodifiable set of persistence capable objects participating in the transaction.
 int getType()
          Return the type of event.
 Collection getUpdatedTypes()
          Return the unmodifiable the set of classes of persistence capable objects that were modified in the transaction.
 
Methods inherited from class java.util.EventObject
getSource, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

AFTER_BEGIN

public static final int AFTER_BEGIN
Event type signifying that a transaction has just begun.

See Also:
Constant Field Values

BEFORE_FLUSH

public static final int BEFORE_FLUSH
Event type signifying that changes are about to be flushed to the datastore. This does not necessarily mean that a commit is taking place.

See Also:
Constant Field Values

AFTER_FLUSH

public static final int AFTER_FLUSH
Event type signifying that changes have been flushed to the datastore. This event is only fired if flushing is successful.

See Also:
Constant Field Values

BEFORE_COMMIT

public static final int BEFORE_COMMIT
Event type signifying that the transaction is about to be committed. This will be fired before the BEFORE_FLUSH event for the transaction, so that you can differentiate between flushes for commits and other flushes.

See Also:
Constant Field Values

AFTER_COMMIT

public static final int AFTER_COMMIT
Event type signifying that the transaction has committed.

See Also:
Constant Field Values

AFTER_ROLLBACK

public static final int AFTER_ROLLBACK
Event type signifying that the transaction was rolled back.

See Also:
Constant Field Values

AFTER_STATE_TRANSITIONS

public static final int AFTER_STATE_TRANSITIONS
Event type signifying that all state transitions have been made.

See Also:
Constant Field Values

AFTER_COMMIT_COMPLETE

public static final int AFTER_COMMIT_COMPLETE
Event type signifying that the commit has completey ended and the transaction is no longer active.

See Also:
Constant Field Values

AFTER_ROLLBACK_COMPLETE

public static final int AFTER_ROLLBACK_COMPLETE
Event type signifying that the rollback has completey ended and the transaction is no longer active.

See Also:
Constant Field Values
Constructor Detail

TransactionEvent

public TransactionEvent(Broker broker,
                        int type,
                        Collection objs,
                        Collection addClss,
                        Collection updateClss,
                        Collection deleteClss)
Constructor.

Parameters:
broker - the event source
type - the event type
objs - transactional objects
addClss - classes of added instances
updateClss - classes of updated instances
deleteClss - classes of deleted instances
Method Detail

getType

public int getType()
Return the type of event.


getTransactionalObjects

public Collection getTransactionalObjects()
Return the unmodifiable set of persistence capable objects participating in the transaction. This set will contain all dirty objects, but may not contain clean objects.


getPersistedTypes

public Collection getPersistedTypes()
Return the unmodifiable the set of classes of persistence capable objects that were created in the transaction.


getUpdatedTypes

public Collection getUpdatedTypes()
Return the unmodifiable the set of classes of persistence capable objects that were modified in the transaction.


getDeletedTypes

public Collection getDeletedTypes()
Return the unmodifiable the set of classes of persistence capable objects that were deleted in the transaction.



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