edu.stanford.nlp.trees
Class LabeledScoredTreeFactory

java.lang.Object
  edu.stanford.nlp.trees.SimpleTreeFactory
      edu.stanford.nlp.trees.LabeledScoredTreeFactory

All Implemented Interfaces:

TreeFactory

public class LabeledScoredTreeFactory
extends SimpleTreeFactory

A LabeledScoredTreeFactory acts as a factory for creating trees with labels and scores. Unless another LabelFactory is supplied, it will use a StringLabel by default.

Author:

Christopher Manning

Constructor Summary

LabeledScoredTreeFactory()
Make a TreeFactory that produces LabeledScoredTree trees.

LabeledScoredTreeFactory(LabelFactory lf)
Make a treefactory that uses LabeledScoredTree trees, where the labels are as specified by the user.

Method Summary

Tree	newLeaf(Label label) Create a new 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 non-leaf tree 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

LabeledScoredTreeFactory

public LabeledScoredTreeFactory()

Make a TreeFactory that produces LabeledScoredTree trees. The labels are of class StringLabel.

LabeledScoredTreeFactory

public LabeledScoredTreeFactory(LabelFactory lf)

Make a treefactory that uses LabeledScoredTree trees, where the labels are as specified by the user.

Parameters:

lf - the LabelFactory to be used to create labels

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

Overrides:

newLeaf in class SimpleTreeFactory

Parameters:

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

Returns:

The new leaf

newLeaf

public Tree newLeaf(Label label)

Create a new leaf node with the given label

Specified by:

newLeaf in interface TreeFactory

Overrides:

newLeaf in class SimpleTreeFactory

Parameters:

label - the label for the leaf node

Returns:

A new tree 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

Overrides:

newTreeNode in class SimpleTreeFactory

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)

Create a new non-leaf tree node with the given label

Specified by:

newTreeNode in interface TreeFactory

Overrides:

newTreeNode in class SimpleTreeFactory

Parameters:

parentLabel - The label for the node

children - A List of the children of this node, each of which should itself be a LabeledScoredTree

Returns:

A new internal tree node