g2d.closure

Class ClosureComparator

java.lang.Object

g2d.closure.ClosureComparator

All Implemented Interfaces:

java.util.Comparator<java.lang.Object>

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

For dynamically creating comparators.

Since:

November 23, 2004

Author:

Ian A. Mason

Constructor Summary

Constructors

Constructor and Description
ClosureComparator(Closure closure) Constructs a ClosureComparator object.

Method Summary

Modifier and Type	Method and Description
int	compare(java.lang.Object o1, java.lang.Object o2)
boolean	equals(java.lang.Object o)
int	hashCode()
void	setCompareClosure(Closure closure) Sets the closure to be used to compare objects.

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

Constructor Detail

ClosureComparator

public ClosureComparator(Closure closure)

Constructs a ClosureComparator object.

Parameters:

closure - a Closure object

Method Detail

setCompareClosure

public void setCompareClosure(Closure closure)

Sets the closure to be used to compare objects.

Parameters:

closure - the closure should be of arity two. The closure takes as its arguments the two objects being compared, and returns an integer according to the logic of the Comparator class.

compare

public int compare(java.lang.Object o1,
                   java.lang.Object o2)

Specified by:

compare in interface java.util.Comparator<java.lang.Object>

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in interface java.util.Comparator<java.lang.Object>

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object