org.matheclipse.core.patternmatching

Class PatternComparator

java.lang.Object

org.matheclipse.core.patternmatching.PatternComparator

All Implemented Interfaces:

java.util.Comparator<IPatternObject>

public class PatternComparator
extends java.lang.Object
implements java.util.Comparator<IPatternObject>

Compares two pattern objects.

Field Summary

Fields

Modifier and Type	Field and Description
static PatternComparator	CONST The only PatternComparator instance.

Method Summary

Modifier and Type	Method and Description
int	compare(IPatternObject o1, IPatternObject o2) Compares two patterns.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Detail

CONST

public static PatternComparator CONST

The only PatternComparator instance.

Method Detail

compare

public int compare(IPatternObject o1,
                   IPatternObject o2)

Compares two patterns. Two patterns are considered as equal, if there associated symbols are equal and not null. If the associated symbols are null, then the patterns System#identityHashCode() value is used to compare them.

Specified by:

compare in interface java.util.Comparator<IPatternObject>