org.apache.commons.collections.comparators
Class TransformingComparator
java.lang.Object
org.apache.commons.collections.comparators.TransformingComparator
- Comparator
public class TransformingComparator
extends java.lang.Object
implements Comparator
Decorates another Comparator with transformation behavior. That is, the
return value from the transform operation will be passed to the decorated
compare
method.
- Commons Collections 2.0 (?)
int | compare(Object obj1, Object obj2) - Returns the result of comparing the values from the transform operation.
|
decorated
protected Comparator decorated
The decorated comparator.
transformer
protected Transformer transformer
The transformer being used.
TransformingComparator
public TransformingComparator(Transformer transformer)
transformer
- what will transform the arguments to compare
TransformingComparator
public TransformingComparator(Transformer transformer,
Comparator decorated)
Constructs an instance with the given Transformer and Comparator.
transformer
- what will transform the arguments to compare
decorated
- the decorated Comparator
compare
public int compare(Object obj1,
Object obj2)
Returns the result of comparing the values from the transform operation.
obj1
- the first object to transform then compareobj2
- the second object to transform then compare
- negative if obj1 is less, positive if greater, zero if equal
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