org.apache.cayenne.remote
Class BaseConnection

java.lang.Object
  org.apache.cayenne.remote.BaseConnection

All Implemented Interfaces:

ClientConnection

Direct Known Subclasses:

HessianConnection, LocalConnection

public abstract class BaseConnection
extends Object
implements ClientConnection

A common base class for concrete ClientConnection implementations. Provides message logging functionality via commons-logging.

Since:

1.2

Field Summary

protected org.apache.commons.logging.Log	logger
protected long	messageId

Constructor Summary

protected

BaseConnection() Default constructor that initializes logging and a single threaded EventManager.

Method Summary

protected abstract void	beforeSendMessage(ClientMessage message) Called before logging the beginning of message processing.
protected abstract Object	doSendMessage(ClientMessage message) The worker method invoked to process message.
long	getProcessedMessagesCount() Returns a count of processed messages since the beginning of life of this connector.
Object	sendMessage(ClientMessage message) Invokes 'beforeSendMessage' on self, then invokes 'doSendMessage'.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.cayenne.remote.ClientConnection

getServerEventBridge

Field Detail

logger

protected org.apache.commons.logging.Log logger

messageId

protected long messageId

Constructor Detail

BaseConnection

protected BaseConnection()

Default constructor that initializes logging and a single threaded EventManager.

Method Detail

sendMessage

public Object sendMessage(ClientMessage message)
                   throws CayenneRuntimeException

Invokes 'beforeSendMessage' on self, then invokes 'doSendMessage'. Implements basic logging functionality. Do not override this method unless absolutely necessary. Override 'beforeSendMessage' and 'doSendMessage' instead.

Specified by:

sendMessage in interface ClientConnection

Throws:

CayenneRuntimeException

getProcessedMessagesCount

public long getProcessedMessagesCount()

Returns a count of processed messages since the beginning of life of this connector.

beforeSendMessage

protected abstract void beforeSendMessage(ClientMessage message)
                                   throws CayenneRuntimeException

Called before logging the beginning of message processing.

Throws:

CayenneRuntimeException

doSendMessage

protected abstract Object doSendMessage(ClientMessage message)
                                 throws CayenneRuntimeException

The worker method invoked to process message.

Throws:

CayenneRuntimeException