Class SnapshotEvent

java.lang.Object

java.util.EventObject

org.apache.cayenne.event.CayenneEvent

org.apache.cayenne.access.event.SnapshotEvent

All Implemented Interfaces:

Serializable

public class SnapshotEvent
extends CayenneEvent

Event sent on modification of the DataRowStore.

Since:

1.1

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected Collection<ObjectId>	deletedIds
protected Collection<ObjectId>	indirectlyModifiedIds
protected Collection<ObjectId>	invalidatedIds
protected Map<ObjectId, Map<String,Object>>	modifiedDiffs
protected long	timestamp
protected long	version

Fields inherited from class CayenneEvent

postedBy, subject

Fields inherited from class EventObject

source

Constructor Summary

Constructors

Constructor	Description
SnapshotEvent(Object source, Object postedBy, long version, Map<ObjectId, Map<String,Object>> modifiedDiffs, Collection<ObjectId> deletedIds, Collection<ObjectId> invalidatedIds, Collection<ObjectId> indirectlyModifiedIds)

Method Summary

Modifier and Type	Method	Description
Collection<ObjectId>	getDeletedIds()
Collection<ObjectId>	getIndirectlyModifiedIds()
Collection<ObjectId>	getInvalidatedIds()
Map<ObjectId, Map<String,Object>>	getModifiedDiffs()	Returns the changed keys of each modified snapshot, with their new values.
long	getTimestamp()
long	getVersion()	Returns the snapshot version of the modified snapshots, or SnapshotVersion.NONE if none were modified.
String	toString()

Methods inherited from class CayenneEvent

getPostedBy, getSubject, setPostedBy, setSubject

Methods inherited from class EventObject

getSource

Methods inherited from class Object

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

Field Details

timestamp

protected long timestamp

version

protected long version

deletedIds

protected Collection<ObjectId> deletedIds

invalidatedIds

protected Collection<ObjectId> invalidatedIds

modifiedDiffs

protected Map<ObjectId, Map<String,Object>> modifiedDiffs

indirectlyModifiedIds

protected Collection<ObjectId> indirectlyModifiedIds

Constructor Details

SnapshotEvent

public SnapshotEvent(Object source,
 Object postedBy,
 long version,
 Map<ObjectId, Map<String,Object>> modifiedDiffs,
 Collection<ObjectId> deletedIds,
 Collection<ObjectId> invalidatedIds,
 Collection<ObjectId> indirectlyModifiedIds)

Parameters:

version - the snapshot version of the modified snapshots, which are of one operation, or SnapshotVersion.NONE if none were modified

modifiedDiffs - the changed keys of each modified snapshot, with their new values

Since:

5.0

Method Details

getTimestamp

public long getTimestamp()

getVersion

public long getVersion()

Returns the snapshot version of the modified snapshots, or SnapshotVersion.NONE if none were modified.

Since:

5.0

getModifiedDiffs

public Map<ObjectId, Map<String,Object>> getModifiedDiffs()

Returns the changed keys of each modified snapshot, with their new values.

getDeletedIds

public Collection<ObjectId> getDeletedIds()

getInvalidatedIds

public Collection<ObjectId> getInvalidatedIds()

getIndirectlyModifiedIds

public Collection<ObjectId> getIndirectlyModifiedIds()

toString

public String toString()

Overrides:

toString in class EventObject