edu.umass.cs.mallet.base.util.search

Class SearchNode.NextNodeIterator

java.lang.Object

edu.umass.cs.mallet.base.util.search.SearchNode.NextNodeIterator

All Implemented Interfaces:

Iterator

Direct Known Subclasses:

AStarNode.NextNodeIterator

Enclosing class:

SearchNode

public class SearchNode.NextNodeIterator
extends Object
implements Iterator

This iterator generates search nodes that refer to the states reachable from the state pertaining to a this search node.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	NextNodeIterator()

Method Summary

Modifier and Type	Method and Description
double	cost() The cost associated to the transition from the previous state to this state.
protected SearchState.NextStateIterator	getStateIter()
boolean	hasNext()
Object	next()
SearchNode	nextNode() The search tree node for the next state reached from the current state.
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

NextNodeIterator

protected NextNodeIterator()

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator

next

public Object next()

Specified by:

next in interface Iterator

nextNode

public SearchNode nextNode()

The search tree node for the next state reached from the current state.

Returns:

a new search tree node

cost

public double cost()

The cost associated to the transition from the previous state to this state.

Returns:

the cost

remove

public void remove()

Specified by:

remove in interface Iterator

getStateIter

protected SearchState.NextStateIterator getStateIter()