com.amazon.carbonado.util

Class ConversionComparator

java.lang.Object

com.amazon.carbonado.util.ConversionComparator

All Implemented Interfaces:

java.util.Comparator<java.lang.Class>

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

Compares type conversions, finding the one that is nearest.

Since:

1.2

Author:

Brian S O'Neill

Constructor Summary

Constructors

Constructor and Description
ConversionComparator(java.lang.Class fromType)

Method Summary

Methods

Modifier and Type	Method and Description
int	compare(java.lang.Class toType_a, java.lang.Class toType_b) Evaluates two types, to see which one is nearest to the from type.
boolean	isConversionPossible(java.lang.Class toType) Returns true if a coversion is possible to the given type.

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

ConversionComparator

public ConversionComparator(java.lang.Class fromType)

Method Detail

isConversionPossible

public boolean isConversionPossible(java.lang.Class toType)

Returns true if a coversion is possible to the given type.

compare

public int compare(java.lang.Class toType_a,
          java.lang.Class toType_b)

Evaluates two types, to see which one is nearest to the from type. Return <0 if "a" is nearest, 0 if both are equally good, >0 if "b" is nearest.

Specified by:

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