edu.stanford.nlp.parser.lexparser

Class Hook

java.lang.Object

edu.stanford.nlp.parser.lexparser.Item

edu.stanford.nlp.parser.lexparser.Hook

All Implemented Interfaces:

Scored

public class Hook
extends Item

Class for parse table hooks. A "hook" is the parse item that Eisner and Satta introduced to reduce the complexity of lexicalized parsing to O(n^4).

Author:

Dan Klein

Field Summary

Fields

Modifier and Type	Field and Description
int	subState

Fields inherited from class edu.stanford.nlp.parser.lexparser.Item

backEdge, end, head, iScore, oScore, start, state, tag

Constructor Summary

Constructors

Constructor and Description
Hook(boolean exhaustiveTest)
Hook(Hook h)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o) Hooks are equal if they have same state, substate, head, tag, start, and end.
int	hashCode()
boolean	isPostHook()
boolean	isPreHook()
java.lang.String	toString()

Methods inherited from class edu.stanford.nlp.parser.lexparser.Item

isEdge, score

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

subState

public int subState

Constructor Detail

Hook

public Hook(boolean exhaustiveTest)

Hook

public Hook(Hook h)

Method Detail

isPreHook

public boolean isPreHook()

Overrides:

isPreHook in class Item

isPostHook

public boolean isPostHook()

Overrides:

isPostHook in class Item

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Hooks are equal if they have same state, substate, head, tag, start, and end.

Overrides:

equals in class java.lang.Object