org.springframework.integration.aggregator

Class SequenceNumberComparator

java.lang.Object

org.springframework.integration.aggregator.SequenceNumberComparator

All Implemented Interfaces:

Comparator<Message<?>>

public class SequenceNumberComparator
extends Object
implements Comparator<Message<?>>

Since:

2.0

Author:

Dave Syer

Constructor Summary

Constructors

Constructor and Description
SequenceNumberComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(Message<?> o1, Message<?> o2) If both messages have a sequence number then compare that, otherwise if one has a sequence number and the other doesn't then the numbered message comes first, or finally of neither has a sequence number then they are equal in rank.

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

SequenceNumberComparator

public SequenceNumberComparator()

Method Detail

compare

public int compare(Message<?> o1,
                   Message<?> o2)

If both messages have a sequence number then compare that, otherwise if one has a sequence number and the other doesn't then the numbered message comes first, or finally of neither has a sequence number then they are equal in rank.

Specified by:

compare in interface Comparator<Message<?>>