ptolemy.actor.gt
Class GraphMatcher.LookbackEntry

java.lang.Object
  java.util.AbstractCollection<E>
      java.util.AbstractList<E>
          java.util.AbstractSequentialList<E>
              java.util.LinkedList<E>
                  ptolemy.actor.gt.data.Tuple<java.lang.Object>
                      ptolemy.actor.gt.GraphMatcher.LookbackEntry

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.lang.Iterable<java.lang.Object>, java.util.Collection<java.lang.Object>, java.util.List<java.lang.Object>, java.util.Queue<java.lang.Object>

Enclosing class:

GraphMatcher

private static class GraphMatcher.LookbackEntry
extends Tuple<java.lang.Object>

An entry for a lookback item. When pattern matching reaches an end of the graph, it looks back and try to match all the objects discovered along the way that have not been considered in the matching yet.

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

GraphMatcher.LookbackEntry(GraphMatcher.ObjectList patternList, GraphMatcher.ObjectList hostList)
Construct an unfinished lookback entry with the list of pattern objects and the list of host objects.

Method Summary

GraphMatcher.ObjectList	getHostList() Get the list containing objects in the host model.
GraphMatcher.ObjectList	getPatternList() Get the list containing objects in the pattern.
boolean	isFinished() Return whether matching for the objects in the two lists in this entry has successfully finished.
boolean	isNegated() Return whether the objects in the lists should be negated in the matching.
void	setFinished(boolean finished) Mark this lookback entry to be finished.
void	setNegated(boolean negated) Mark that the objects in the lists should be negated.

Methods inherited from class java.util.LinkedList

add, add, addAll, addAll, addFirst, addLast, clear, clone, contains, element, get, getFirst, getLast, indexOf, lastIndexOf, listIterator, offer, peek, poll, remove, remove, remove, removeFirst, removeLast, set, size, toArray, toArray

Methods inherited from class java.util.AbstractSequentialList

iterator

Methods inherited from class java.util.AbstractList

equals, hashCode, listIterator, removeRange, subList

Methods inherited from class java.util.AbstractCollection

containsAll, isEmpty, removeAll, retainAll, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

containsAll, equals, hashCode, isEmpty, iterator, listIterator, removeAll, retainAll, subList

Constructor Detail

GraphMatcher.LookbackEntry

GraphMatcher.LookbackEntry(GraphMatcher.ObjectList patternList,
                           GraphMatcher.ObjectList hostList)

Construct an unfinished lookback entry with the list of pattern objects and the list of host objects.

Parameters:

patternList - The list of pattern objects.

hostList - The list of host objects.

Method Detail

getHostList

public GraphMatcher.ObjectList getHostList()

Get the list containing objects in the host model.

Returns:

The list containing objects in the host model.

getPatternList

public GraphMatcher.ObjectList getPatternList()

Get the list containing objects in the pattern.

Returns:

The list containing objects in the pattern.

isFinished

public boolean isFinished()

Return whether matching for the objects in the two lists in this entry has successfully finished.

Returns:

true if the match is successful.

isNegated

public boolean isNegated()

Return whether the objects in the lists should be negated in the matching.

Returns:

true if the objects should be negated.

setFinished

public void setFinished(boolean finished)

Mark this lookback entry to be finished.

Parameters:

finished - Whether this lookback entry is finished.

setNegated

public void setNegated(boolean negated)

Mark that the objects in the lists should be negated.

Parameters:

negated - Whether the objects should be negated.