Package org.nineml.coffeegrinder.trees

Class Arborist

java.lang.Object

org.nineml.coffeegrinder.trees.Arborist

Direct Known Subclasses:

Lumberjack, TreeSurgeon

public abstract class Arborist
extends java.lang.Object

One who might be employed to extract trees from a forest.

Field Summary

Fields

Modifier and Type	Field	Description
ParseForest	forest

Method Summary

Modifier and Type	Method	Description
boolean	closesLoop(ForestNode node)
static Arborist	getArborist(ParseForest forest)
static Arborist	getArborist(ParseForest forest, Axe axe)
java.util.Set<java.lang.Integer>	getSelectedNodes()
java.util.List<TreeSelection>	getSelectedTrees()
abstract void	getTree(TreeBuilder builder)
abstract boolean	hasMoreTrees()
abstract boolean	isAbsolutelyAmbiguous()
abstract boolean	isAmbiguous()
abstract void	reset()

Methods inherited from class java.lang.Object

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

Field Detail

forest

public final ParseForest forest

Method Detail

getTree

public abstract void getTree(TreeBuilder builder)

isAmbiguous

public abstract boolean isAmbiguous()

isAbsolutelyAmbiguous

public abstract boolean isAbsolutelyAmbiguous()

hasMoreTrees

public abstract boolean hasMoreTrees()

reset

public abstract void reset()

getArborist

public static Arborist getArborist(ParseForest forest)

getArborist

public static Arborist getArborist(ParseForest forest,
                                   Axe axe)

closesLoop

public boolean closesLoop(ForestNode node)

getSelectedNodes

public java.util.Set<java.lang.Integer> getSelectedNodes()

getSelectedTrees

public java.util.List<TreeSelection> getSelectedTrees()