Package org.rapidcontext.core.data

Class DictComparator

java.lang.Object

org.rapidcontext.core.data.DictComparator

All Implemented Interfaces:

Comparator<Object>

public class DictComparator
extends Object
implements Comparator<Object>

A dictionary value comparator. This comparator only compares the values of two dictionary keys. All values returned which must implement Comparable and be of compatible types.

Version:

1.0

Constructor Summary

Constructors

Constructor	Description
DictComparator(String key)	Creates a new dictionary comparator.

Method Summary

Modifier and Type	Method	Description
int	compare(Object o1, Object o2)	Compares two dictionaries by comparing their values for a predefined property key.

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 Details

DictComparator

public DictComparator(String key)

Creates a new dictionary comparator.

Parameters:

key - the dictionary key name

Method Details

compare

public int compare(Object o1,
 Object o2)
            throws ClassCastException

Compares two dictionaries by comparing their values for a predefined property key.

Specified by:

compare in interface Comparator<Object>

Parameters:

o1 - the first object

o2 - the second object

Returns:

a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second

Throws:

ClassCastException - if the values were not comparable