VMMessageReceiver (Mule ESB 2.2.1 API)
Keywords: org.mule.transport.vm.VMMessageReceiver class

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## org.mule.transport.vm
Class VMMessageReceiver

    java.lang.Object
      org.mule.transport.AbstractConnectable
          org.mule.transport.AbstractMessageReceiver
              org.mule.transport.AbstractPollingMessageReceiver
                  org.mule.transport.TransactedPollingMessageReceiver
                      org.mule.transport.vm.VMMessageReceiver

All Implemented Interfaces:
  ExceptionListener, Disposable, Initialisable, Startable, Stoppable, Connectable, MessageReceiver

    public class VMMessageReceiver

extends TransactedPollingMessageReceiver

`VMMessageReceiver` is a listener for events from a Mule service which then simply passes the events on to the target service.

Nested Class Summary
`protected static class` | `VMMessageReceiver.VMReceiverWorker`

Nested classes/interfaces inherited from class org.mule.transport.TransactedPollingMessageReceiver
`TransactedPollingMessageReceiver.MessageProcessorWorker`

Field Summary

Fields inherited from class org.mule.transport.AbstractPollingMessageReceiver
`DEFAULT_POLL_FREQUENCY, DEFAULT_POLL_TIMEUNIT, DEFAULT_STARTUP_DELAY, schedules`

Fields inherited from class org.mule.transport.AbstractMessageReceiver
`receiverKey, responseEndpoint, service`

Fields inherited from class org.mule.transport.AbstractConnectable
`connected, disposed, endpoint, logger, retryTemplate, started, startOnConnect`

Fields inherited from interface org.mule.api.lifecycle.Initialisable
`PHASE_NAME`

Fields inherited from interface org.mule.api.lifecycle.Disposable
`PHASE_NAME`

Fields inherited from interface org.mule.api.lifecycle.Startable
`PHASE_NAME`

Fields inherited from interface org.mule.api.lifecycle.Stoppable
`PHASE_NAME`

Constructor Summary
`VMMessageReceiver(Connector connector, Service service, InboundEndpoint endpoint)`

Method Summary
`protected PollingReceiverWorker` | `createWork()`
`protected void` | `doConnect()`
`protected void` | `doDisconnect()`
`protected void` | `doDispose()`
`protected MuleMessage` | `getFirstMessage()`
`protected List` | `getFirstMessages()`
`protected List` | `getMessages()` It's impossible to process all messages in the receive transaction
`Object` | `onCall(MuleMessage message, boolean synchronous)`
`void` | `onMessage(MuleMessage message)`
`protected void` | `processMessage(Object msg)`
`protected void` | `schedule()` This method registers this receiver for periodic polling ticks with the connectors scheduler.

Methods inherited from class org.mule.transport.TransactedPollingMessageReceiver
`doStart, isReceiveMessagesInTransaction, isUseMultipleTransactedReceivers, poll, setReceiveMessagesInTransaction, setUseMultipleTransactedReceivers`

Methods inherited from class org.mule.transport.AbstractPollingMessageReceiver
`doStop, getFrequency, getTimeUnit, setFrequency, setTimeUnit, unschedule`

Methods inherited from class org.mule.transport.AbstractMessageReceiver
`dispose, getConnectEventId, getConnectionDescription, getEndpoint, getEndpointURI, getListener, getReceiverKey, getService, getWorkManager, handleUnacceptedFilter, initialise, routeMessage, routeMessage, routeMessage, routeMessage, routeMessage, routeMessage, setEndpoint, setExceptionDetails, setListener, setReceiverKey, setService, toString`

Methods inherited from class org.mule.transport.AbstractConnectable
`activate, connect, disconnect, disposeAndLogException, doInitialise, exceptionThrown, getConnectEventId, getConnector, handleException, isConnected, isDoThreading, isStarted, passivate, setEndpoint, start, stop, validate, validateConnection`

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

Methods inherited from interface org.mule.api.transport.Connectable
`connect, disconnect, isConnected, validateConnection`

Methods inherited from interface org.mule.api.lifecycle.Startable
`start`

Methods inherited from interface org.mule.api.lifecycle.Stoppable
`stop`

Constructor Detail

### VMMessageReceiver

    public VMMessageReceiver(Connector connector,
                             Service service,
                             InboundEndpoint endpoint)
                      throws CreateException

Throws:
  `CreateException`

Method Detail

### schedule

    protected void schedule()
                     throws edu.emory.mathcs.backport.java.util.concurrent.RejectedExecutionException,
                            NullPointerException,
                            IllegalArgumentException

  Description copied from class: `AbstractPollingMessageReceiver`
  This method registers this receiver for periodic polling ticks with the connectors scheduler. Subclasses can override this in case they want to handle their polling differently.

  Overrides:
    `schedule` in class `AbstractPollingMessageReceiver`
  Throws:
    `edu.emory.mathcs.backport.java.util.concurrent.RejectedExecutionException`
    `NullPointerException`
    `IllegalArgumentException`
  See Also:
    `ScheduledExecutorService#scheduleWithFixedDelay(Runnable, long, long, TimeUnit)}`

### doDispose

    protected void doDispose()

  Overrides:
    `doDispose` in class `AbstractConnectable`

### doConnect

    protected void doConnect()
                      throws Exception

  Overrides:
    `doConnect` in class `AbstractConnectable`
  Throws:
    `Exception`

### doDisconnect

    protected void doDisconnect()
                         throws Exception

  Overrides:
    `doDisconnect` in class `AbstractConnectable`
  Throws:
    `Exception`

### onMessage

    public void onMessage(MuleMessage message)
                   throws MuleException

  Throws:
    `MuleException`

### onCall

    public Object onCall(MuleMessage message,
                         boolean synchronous)
                  throws MuleException

  Throws:
    `MuleException`

### getMessages

    protected List getMessages()
                        throws Exception

  It's impossible to process all messages in the receive transaction

  Specified by:
    `getMessages` in class `TransactedPollingMessageReceiver`
  Throws:
    `Exception`

### getFirstMessages

    protected List getFirstMessages()
                             throws Exception

  Throws:
    `Exception`

### getFirstMessage

    protected MuleMessage getFirstMessage()
                                   throws Exception

  Throws:
    `Exception`

### processMessage

    protected void processMessage(Object msg)
                           throws Exception

  Specified by:
    `processMessage` in class `TransactedPollingMessageReceiver`
  Throws:
    `Exception`

### createWork

    protected PollingReceiverWorker createWork()

  Overrides:
    `createWork` in class `AbstractPollingMessageReceiver`

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