Class ObjectSnapshots

java.lang.Object

org.apache.cayenne.access.ObjectSnapshots

public final class ObjectSnapshots
extends Object

Builds DataRow snapshots of persistent objects from their current, possibly uncommitted, in-memory state.

Since:

5.0

Method Summary

Modifier and Type	Method	Description
static DataRow	snapshot(DataContext context, Persistent object, long version)	Returns a DataRow reflecting the current, possibly uncommitted, state of an object registered in the given context, with the given snapshot version.

Methods inherited from class Object

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

Method Details

snapshot

public static DataRow snapshot(DataContext context,
 Persistent object,
 long version)

Returns a DataRow reflecting the current, possibly uncommitted, state of an object registered in the given context, with the given snapshot version.

Warning: the snapshot is partial if the object, or a related object that propagates its key to it, has a temporary id. Do not use it where a DataRow has to represent the complete object state.

Parameters:

context - the context the object is registered in

object - the object to snapshot

version - the snapshot version of the returned row