public abstract class MonitorMessageHandler extends Object implements MonitorMessageVisitor, javax.jms.MessageListener
Classes should not implement MonitorMessageVisitor but extend this class.
MonitorMessageVisitor
Constructor and Description |
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MonitorMessageHandler()
Creates a MonitorMessageHandler object.
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Modifier and Type | Method and Description |
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void |
onMessage(javax.jms.Message msg)
Unpacks and calls accept() on the message object.
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void |
visit(RegisterHostMessage msg)
This method should be overridden and implemented by a sub class if message handling is wanted.
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public MonitorMessageHandler()
public void onMessage(javax.jms.Message msg)
This method catches all exceptions and logs them.
onMessage
in interface javax.jms.MessageListener
msg
- a ObjectMessagepublic void visit(RegisterHostMessage msg) throws PermissionDenied
visit
in interface MonitorMessageVisitor
msg
- a RegisterHostMessagePermissionDenied
- when invokedCopyright © 2005–2015 The Royal Danish Library, the Danish State and University Library, the National Library of France and the Austrian National Library.. All rights reserved.