resequencer should support an optional Expression/Comparator to determine if
the two messages belong to the same set (in which case should they be
reordered)
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Key: CAMEL-136
URL: https://issues.apache.org/activemq/browse/CAMEL-136
Project: Apache Camel
Issue Type: Improvement
Reporter: James Strachan
Assignee: James Strachan
Priority: Minor
e.g. to support reordering according to the JMSXGroupID / JMSXGroupSeq headers
we only reorder messages for the same value of JMSXGroupID if the sequence
numbers are out of range.
For ActiveMQ we generally only reorder messages for the same Destination and
ProducerId but differing ProducerSequenceId.
So in pseudocode its
{code}
if (groupComparator.compare(firstMessage, secondMessage) == 0) {
if (messageComparator.compare(firstMessage, secondMessage) > 0) {
// lets swap the messages
}
{code}
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