com.mware.ge.values.storable

Class ValueComparator

java.lang.Object

com.mware.ge.values.storable.ValueComparator

All Implemented Interfaces:

TernaryComparator<Value>, Comparator<Value>

public final class ValueComparator
extends Object
implements Comparator<Value>, TernaryComparator<Value>

Comparator for values. Usable for sorting values, for example during index range scans.

Method Summary

Modifier and Type	Method and Description
int	compare(Value v1, Value v2)
boolean	equals(Object obj)
int	hashCode()
Comparison	ternaryCompare(Value v1, Value v2) Should return a negative integer if o1 is smaller than o2, a positive integer if o1 is bigger than o2, 0 if o1 and o2 are equal, and null if they are not comparable.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

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

Method Detail

compare

public int compare(Value v1,
                   Value v2)

Specified by:

compare in interface Comparator<Value>

ternaryCompare

public Comparison ternaryCompare(Value v1,
                                 Value v2)

Description copied from interface: TernaryComparator

Should return a negative integer if o1 is smaller than o2, a positive integer if o1 is bigger than o2, 0 if o1 and o2 are equal, and null if they are not comparable.

Specified by:

ternaryCompare in interface TernaryComparator<Value>

equals

public boolean equals(Object obj)

Specified by:

equals in interface Comparator<Value>

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object