org.matheclipse.core.patternmatching

Class AbstractHashedPatternRules

java.lang.Object

org.matheclipse.core.patternmatching.AbstractHashedPatternRules

Direct Known Subclasses:

HashedPatternFunction, HashedPatternRules

public abstract class AbstractHashedPatternRules
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
protected IExpr	fLHSPattern1
protected IExpr	fLHSPattern2
protected RulesData	fRulesData
protected int	hash1
protected int	hash2
protected int	hashSum

Constructor Summary

Constructors

Constructor and Description
AbstractHashedPatternRules(IExpr lhsPattern1, IExpr lhsPattern2, boolean defaultHashCode)

Method Summary

Modifier and Type	Method and Description
static int	calculateHashcode(int h1, int h2) Symmetric hash code.
abstract IExpr	evalDownRule(IExpr e1, IExpr e2)
int	getHash1() Get the hash value for the first LHS expression.
int	getHash2() Get the hash value for the second LHS expression.
int	hashCode()
boolean	isPattern1() Test if the first left-hand-side is a pattern object
boolean	isPattern2() Test if the second left-hand-side is a pattern object

Methods inherited from class java.lang.Object

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

Field Detail

hash1

protected int hash1

hash2

protected int hash2

hashSum

protected int hashSum

fRulesData

protected RulesData fRulesData

fLHSPattern1

protected final IExpr fLHSPattern1

fLHSPattern2

protected final IExpr fLHSPattern2

Constructor Detail

AbstractHashedPatternRules

public AbstractHashedPatternRules(IExpr lhsPattern1,
                                  IExpr lhsPattern2,
                                  boolean defaultHashCode)

Parameters:

lhsPattern1 - first left-hand-side pattern

lhsPattern2 - second left-hand-side pattern

defaultHashCode - TODO

Method Detail

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

calculateHashcode

public static int calculateHashcode(int h1,
                                    int h2)

Symmetric hash code.

Parameters:

h1 -

h2 -

Returns:

getHash1

public int getHash1()

Get the hash value for the first LHS expression.

Returns:

the hash1

getHash2

public int getHash2()

Get the hash value for the second LHS expression.

Returns:

the hash2

isPattern1

public boolean isPattern1()

Test if the first left-hand-side is a pattern object

isPattern2

public boolean isPattern2()

Test if the second left-hand-side is a pattern object

evalDownRule

public abstract IExpr evalDownRule(IExpr e1,
                                   IExpr e2)