# 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,DataRow>`
  `modifiedDiffs`
  `protected long`
  `timestamp`

  ### Fields inherited from class CayenneEvent

  `info, postedBy, subject`

  ### Fields inherited from class EventObject

  `source`

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `SnapshotEvent(Object source, Object postedBy, Map<ObjectId,DataRow> 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,DataRow>`
  `getModifiedDiffs()`
  `long`
  `getTimestamp()`
  `String`
  `toString()`

  ### Methods inherited from class CayenneEvent

  `getInfo, 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

  - ### deletedIds

    protected Collection<ObjectId> deletedIds

  - ### invalidatedIds

    protected Collection<ObjectId> invalidatedIds

  - ### modifiedDiffs

    protected Map<ObjectId,DataRow> modifiedDiffs

  - ### indirectlyModifiedIds

    protected Collection<ObjectId> indirectlyModifiedIds

- ## Constructor Details

  - ### SnapshotEvent

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

- ## Method Details

  - ### getTimestamp

    public long getTimestamp()

  - ### getModifiedDiffs

    public Map<ObjectId,DataRow> getModifiedDiffs()

  - ### getDeletedIds

    public Collection<ObjectId> getDeletedIds()

  - ### getInvalidatedIds

    public Collection<ObjectId> getInvalidatedIds()

  - ### getIndirectlyModifiedIds

    public Collection<ObjectId> getIndirectlyModifiedIds()

  - ### toString

    public String toString()
    Overrides:
      `toString` in class `EventObject`