edu.stanford.nlp.trees
Class CompositeTreeTransformer

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

All Implemented Interfaces:

TreeTransformer

public class CompositeTreeTransformer
extends Object
implements TreeTransformer

A TreeTransformer that applies component TreeTransformers in order.

Author:

Galen Andrew

Constructor Summary

CompositeTreeTransformer()

Method Summary

void	addTransformer(TreeTransformer tt)
Tree	transformTree(Tree t) Does whatever one needs to do to a particular tree.

Methods inherited from class java.lang.Object

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

Constructor Detail

CompositeTreeTransformer

public CompositeTreeTransformer()

Method Detail

addTransformer

public void addTransformer(TreeTransformer tt)

transformTree

public Tree transformTree(Tree t)

Description copied from interface: TreeTransformer

Does whatever one needs to do to a particular tree. This routine is passed a whole Tree, and could itself work recursively, but the canonical usage is to invoke this method via the Tree.transform() method, which will apply the transformer in a bottom-up manner to each local Tree, and hence the implementation of TreeTransformer should merely examine and change a local (one-level) Tree.

Specified by:

transformTree in interface TreeTransformer

Parameters:

t - A tree. Classes implementing this interface can assume that the tree passed in is not null.

Returns:

the transformed Tree