ArchiveMessageHandler

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dk.netarkivet.archive.distribute
Class ArchiveMessageHandler

java.lang.Object
  dk.netarkivet.archive.distribute.ArchiveMessageHandler

All Implemented Interfaces:: ArchiveMessageVisitor, javax.jms.MessageListener

Direct Known Subclasses:: ArcRepositoryServer, BitarchiveMonitorServer, BitarchiveServer, ChecksumArchiveServer, IndexRequestServer

public abstract class ArchiveMessageHandler
extends java.lang.Object
implements ArchiveMessageVisitor, javax.jms.MessageListener
extends java.lang.Object
implements ArchiveMessageVisitor, javax.jms.MessageListener

This default message handler shields of all unimplemented methods from the ArchiveMessageVisitor interface. Classes should not implement ArchiveMessageVisitor but extend this class.

See Also:: ArchiveMessageVisitor

Constructor Summary
`ArchiveMessageHandler()` Creates a ArchiveMessageHandler object.

Method Summary
`void`	`onMessage(javax.jms.Message msg)` Unpacks and calls accept() on the message object.
`void`	`visit(AdminDataMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.
`void`	`visit(BatchEndedMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.
`void`	`visit(BatchMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.
`void`	`visit(BatchReplyMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.
`void`	`visit(CorrectMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.
`void`	`visit(GetAllChecksumsMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.
`void`	`visit(GetAllFilenamesMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.
`void`	`visit(GetChecksumMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.
`void`	`visit(GetFileMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.
`void`	`visit(GetMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.
`void`	`visit(HeartBeatMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.
`void`	`visit(IndexRequestMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.
`void`	`visit(RemoveAndGetFileMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.
`void`	`visit(StoreMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.
`void`	`visit(UploadMessage msg)` This method should be overridden and implemented by a sub class if message handling is wanted.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

ArchiveMessageHandler

public ArchiveMessageHandler()

Creates a ArchiveMessageHandler object.

Method Detail

onMessage

public void onMessage(javax.jms.Message msg)

Unpacks and calls accept() on the message object. This method catches all exceptions and logs them.

Specified by:: onMessage in interface javax.jms.MessageListener

Parameters:: msg - a ObjectMessage