org.springframework.batch.support

Class LastModifiedResourceComparator

java.lang.Object

org.springframework.batch.support.LastModifiedResourceComparator

All Implemented Interfaces:

java.util.Comparator<org.springframework.core.io.Resource>

public class LastModifiedResourceComparator
extends java.lang.Object
implements java.util.Comparator<org.springframework.core.io.Resource>

Comparator to sort resources by the file last modified time.

Author:

Dave Syer

Constructor Summary

Constructors

Constructor and Description
LastModifiedResourceComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(org.springframework.core.io.Resource r1, org.springframework.core.io.Resource r2) Compare the two resources by last modified time, so that a sorted list of resources will have oldest first.

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

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

LastModifiedResourceComparator

public LastModifiedResourceComparator()

Method Detail

compare

public int compare(org.springframework.core.io.Resource r1,
                   org.springframework.core.io.Resource r2)

Compare the two resources by last modified time, so that a sorted list of resources will have oldest first.

Specified by:

compare in interface java.util.Comparator<org.springframework.core.io.Resource>

Throws:

java.lang.IllegalArgumentException - if one of the resources doesn't exist or its last modified date cannot be determined

See Also:

Comparator.compare(Object, Object)