edu.stanford.nlp.trees
Class TreeGraphNodeFactory

java.lang.Object
  edu.stanford.nlp.trees.TreeGraphNodeFactory

All Implemented Interfaces:

TreeFactory

public class TreeGraphNodeFactory
extends Object
implements TreeFactory

A TreeGraphNodeFactory acts as a factory for creating nodes in a TreeGraph. Unless another LabelFactory is supplied, it will use a MapLabelFactory by default.

Author:

Bill MacCartney

Constructor Summary

TreeGraphNodeFactory()
Make a TreeFactory that produces TreeGraphNodes.

TreeGraphNodeFactory(LabelFactory mlf)

Method Summary

Tree	newLeaf(Label label) Create a new tree leaf node, with the given label.
Tree	newLeaf(String word) Create a new tree leaf node, where the label is formed from the String passed in.
Tree	newTreeNode(Label parentLabel, List children) Create a new tree nonleaf node, with the given label.
Tree	newTreeNode(String parent, List children) Create a new tree nonleaf node, where the label is formed from the String passed in.

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeGraphNodeFactory

public TreeGraphNodeFactory()

Make a TreeFactory that produces TreeGraphNodes. The labels are of class MapLabel.

TreeGraphNodeFactory

public TreeGraphNodeFactory(LabelFactory mlf)

Method Detail

newLeaf

public Tree newLeaf(String word)

Description copied from interface: TreeFactory

Create a new tree leaf node, where the label is formed from the String passed in.

Specified by:

newLeaf in interface TreeFactory

Parameters:

word - The word that will go into the tree label.

Returns:

The new leaf

newLeaf

public Tree newLeaf(Label label)

Description copied from interface: TreeFactory

Create a new tree leaf node, with the given label.

Specified by:

newLeaf in interface TreeFactory

Parameters:

label - The label for the leaf node

Returns:

The new leaf

newTreeNode

public Tree newTreeNode(String parent,
                        List children)

Description copied from interface: TreeFactory

Create a new tree nonleaf node, where the label is formed from the String passed in.

Specified by:

newTreeNode in interface TreeFactory

Parameters:

parent - The string that will go into the parent tree label.

children - The list of daughters of this tree. The children may be a (possibly empty) List of children or null

Returns:

The new interior tree node

newTreeNode

public Tree newTreeNode(Label parentLabel,
                        List children)

Description copied from interface: TreeFactory

Create a new tree nonleaf node, with the given label.

Specified by:

newTreeNode in interface TreeFactory

Parameters:

parentLabel - The label for the parent tree node.

children - The list of daughters of this tree. The children may be a (possibly empty) List of children or null

Returns:

The new interior tree node