com.googlecode.sarasvati.join
Class IncompleteJoinResult

java.lang.Object
  com.googlecode.sarasvati.join.IncompleteJoinResult

All Implemented Interfaces:

JoinResult

public final class IncompleteJoinResult
extends Object
implements JoinResult

Field Summary

static JoinResult

INSTANCE

Method Summary

List<ArcToken>	getArcTokensCompletingJoin() Always throws an IllegalStateException
JoinAction	getJoinAction() Always returns JoinAction.Nothing
NodeToken	getMergeTarget() If the join action is JoinAction.Merge, then the arc token in question will be made into a parent of the given NodeToken.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final JoinResult INSTANCE

Method Detail

getJoinAction

public JoinAction getJoinAction()

Always returns JoinAction.Nothing

Specified by:

getJoinAction in interface JoinResult

Returns:

the action that the join strategy wants to take.

See Also:

JoinResult.getJoinAction()

getArcTokensCompletingJoin

public List<ArcToken> getArcTokensCompletingJoin()

Always throws an IllegalStateException

Specified by:

getArcTokensCompletingJoin in interface JoinResult

Returns:

The ArcTokens which were required to complete this join, and will be considered the parents of the new NodeToken.

See Also:

JoinResult.getArcTokensCompletingJoin()

getMergeTarget

public NodeToken getMergeTarget()

Description copied from interface: JoinResult

If the join action is JoinAction.Merge, then the arc token in question will be made into a parent of the given NodeToken.

Specified by:

getMergeTarget in interface JoinResult

Returns:

The node token into whose history the arc token will be merged into.