Package org.apache.jackrabbit.core.query.lucene.join

Class ValueComparator

java.lang.Object

org.apache.jackrabbit.core.query.lucene.join.ValueComparator

All Implemented Interfaces:

Comparator<Value>

public class ValueComparator
extends Object
implements Comparator<Value>

Comparator for Value instances.

Constructor Summary

Constructors

Constructor	Description
ValueComparator()

Method Summary

Modifier and Type	Method	Description
int	compare(Value[] a, Value[] b)
int	compare(Value a, Value b)	Compares two values.
boolean	evaluate(String operator, Value[] a, Value[] b)	Evaluates the given QOM comparison operation with the given value arrays.
boolean	evaluate(String operator, Value a, Value b)	Evaluates the given QOM comparison operation with the given values.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

ValueComparator

public ValueComparator()

Method Detail

compare

public int compare(Value a,
                   Value b)

Compares two values.

Specified by:

compare in interface Comparator<Value>

evaluate

public boolean evaluate(String operator,
                        Value a,
                        Value b)

Evaluates the given QOM comparison operation with the given values.

Parameters:

operator - QOM comparison operator

a - left value

b - right value

Returns:

result of the comparison

compare

public int compare(Value[] a,
                   Value[] b)

evaluate

public boolean evaluate(String operator,
                        Value[] a,
                        Value[] b)

Evaluates the given QOM comparison operation with the given value arrays.

Parameters:

operator - QOM comparison operator

a - left values

b - right values

Returns:

result of the comparison