up
Class BinaryRule

java.lang.Object
  up.Rule
      up.BinaryRule

public class BinaryRule
extends Rule

A binary rule of a PCFG. This is a rule of the form A → B C.

Constructor Summary

BinaryRule(int lhs, int rhs1, int rhs2)
Constructs a new binary rule.

Method Summary

boolean	equals(java.lang.Object obj) Tests whether this rule is equal to the specified object.
int	getLHS() Returns the left-hand side of this rule.
int	getRHS1() Returns the first category on the right-hand side of this rule.
int	getRHS2() Returns the second category on the right-hand side of this rule.
int	hashCode() Returns the hash code of this rule.

Methods inherited from class up.Rule

getScore, setScore

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryRule

public BinaryRule(int lhs,
                  int rhs1,
                  int rhs2)

Constructs a new binary rule.

Parameters:

lhs - the left-hand side of the new rule

rhs1 - the first category on the right-hand side of the new rule

rhs2 - the second category on the right-hand side of the new rule

Method Detail

getLHS

public int getLHS()

Description copied from class: Rule

Returns the left-hand side of this rule.

Specified by:

getLHS in class Rule

Returns:

the left-hand side of this rule

getRHS1

public int getRHS1()

Returns the first category on the right-hand side of this rule.

Returns:

the first category on the right-hand side of this rule

getRHS2

public int getRHS2()

Returns the second category on the right-hand side of this rule.

Returns:

the second category on the right-hand side of this rule

equals

public boolean equals(java.lang.Object obj)

Tests whether this rule is equal to the specified object.

Overrides:

equals in class java.lang.Object

Parameters:

obj - the object to compare with

Returns:

true iff this rule is equal to the specified object

hashCode

public int hashCode()

Returns the hash code of this rule.

Overrides:

hashCode in class java.lang.Object

Returns:

the hash code of this rule