Package org.apache.cayenne.remote
Class BaseConnection
java.lang.Object
org.apache.cayenne.remote.BaseConnection
- All Implemented Interfaces:
ClientConnection
- Direct Known Subclasses:
HttpClientConnection
,LocalConnection
public abstract class BaseConnection extends Object implements ClientConnection
A common base class for concrete ClientConnection implementations. Provides message
logging functionality via slf4j logging.
- Since:
- 1.2
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Field Summary
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Constructor Summary
Constructors Modifier Constructor Description protected
BaseConnection()
Default constructor that initializes logging and a single threaded EventManager. -
Method Summary
Modifier and Type Method Description protected abstract void
beforeSendMessage(org.apache.cayenne.remote.ClientMessage message)
Called before logging the beginning of message processing.protected abstract Object
doSendMessage(org.apache.cayenne.remote.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(org.apache.cayenne.remote.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
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Field Details
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logger
protected org.slf4j.Logger logger -
messageId
protected long messageId
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Constructor Details
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BaseConnection
protected BaseConnection()Default constructor that initializes logging and a single threaded EventManager.
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Method Details
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sendMessage
public Object sendMessage(org.apache.cayenne.remote.ClientMessage message) throws CayenneRuntimeExceptionInvokes '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 interfaceClientConnection
- Throws:
CayenneRuntimeException
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getProcessedMessagesCount
public long getProcessedMessagesCount()Returns a count of processed messages since the beginning of life of this connector. -
beforeSendMessage
protected abstract void beforeSendMessage(org.apache.cayenne.remote.ClientMessage message) throws CayenneRuntimeExceptionCalled before logging the beginning of message processing.- Throws:
CayenneRuntimeException
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doSendMessage
protected abstract Object doSendMessage(org.apache.cayenne.remote.ClientMessage message) throws CayenneRuntimeExceptionThe worker method invoked to process message.- Throws:
CayenneRuntimeException
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