org.geotools.feature
Class FeatureComparators.Index

java.lang.Object
  org.geotools.feature.FeatureComparators.Index

All Implemented Interfaces:

java.util.Comparator

Enclosing class:

FeatureComparators

public static class FeatureComparators.Index

extends java.lang.Object

implements java.util.Comparator

A Comparator which performs the comparison on attributes at a given index.

Constructor Summary

FeatureComparators.Index(int i)
Create a new Comparator based on the given index.

Method Summary

int	compare(java.lang.Object o1, java.lang.Object o2) Implementation of Comparator.
protected int	compareAtts(java.lang.Object att1, java.lang.Object att2) Compares the two attributes.

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

Constructor Detail

FeatureComparators.Index

public FeatureComparators.Index(int i)

Create a new Comparator based on the given index.

Parameters:

i - The index.

Method Detail

compare

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

Implementation of Comparator. Calls compareAtts to perform the actual comparison.

Specified by:

compare in interface java.util.Comparator

Parameters:

o1 - The first Feature.

o2 - The second Feature

Returns:

A value indicating less than, equal, or greater than.

compareAtts

protected int compareAtts(java.lang.Object att1,
                          java.lang.Object att2)

Compares the two attributes.

Parameters:

att1 - The first attribute to compare.

att2 - The second attribute to compare.

Returns:

A value indicating less than, equal, or greater than.