opennlp.tools.parser.chunking
Class CheckContextGenerator

java.lang.Object
  opennlp.tools.parser.AbstractContextGenerator
      opennlp.tools.parser.chunking.CheckContextGenerator

public class CheckContextGenerator
extends AbstractContextGenerator

Class for generating predictive context for deciding when a constituent is complete.

Author:

Tom Morton

Field Summary

Fields inherited from class opennlp.tools.parser.AbstractContextGenerator

EOS, punctSet, useLabel, zeroBackOff

Constructor Summary

CheckContextGenerator()
Creates a new context generator for generating predictive context for deciding when a constituent is complete.

Method Summary

String[]	getContext(Object o)
String[]	getContext(Parse[] constituents, String type, int start, int end) Returns predictive context for deciding whether the specified constituents between the specified start and end index can be combined to form a new constituent of the specified type.

Methods inherited from class opennlp.tools.parser.AbstractContextGenerator

checkcons, checkcons, cons, cons2, cons3, consbo, getFrontierNodes, production, punct, punctbo, surround

Methods inherited from class java.lang.Object

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

Constructor Detail

CheckContextGenerator

public CheckContextGenerator()

Creates a new context generator for generating predictive context for deciding when a constituent is complete.

Method Detail

getContext

public String[] getContext(Object o)

getContext

public String[] getContext(Parse[] constituents,
                           String type,
                           int start,
                           int end)

Returns predictive context for deciding whether the specified constituents between the specified start and end index can be combined to form a new constituent of the specified type.

Parameters:

constituents - The constituents which have yet to be combined into new constituents.

type - The type of the new constituent proposed.

start - The first constituent of the proposed constituent.

end - The last constituent of the proposed constituent.

Returns:

The predictive context for deciding whether a new constituent should be created.