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## 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`

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