org.apache.cayenne.remote.service

## Class LocalConnection

- java.lang.Object
- - org.apache.cayenne.remote.BaseConnection
  - - org.apache.cayenne.remote.service.LocalConnection

- All Implemented Interfaces:
    ClientConnection

      public class LocalConnection
      extends BaseConnection

  A ClientConnection that connects to a DataChannel. Used as an emulator of a remote service. Emulation includes serialization/deserialization of objects.
  Since:
    1.2

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected DataChannel` | `channel`
    `static int` | `HESSIAN_SERIALIZATION`
    `static int` | `JAVA_SERIALIZATION`
    `static int` | `NO_SERIALIZATION`
    `protected int` | `serializationPolicy`

    - ### Fields inherited from class org.apache.cayenne.remote.BaseConnection

      `logger, messageId, readTimeout`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `LocalConnection(DataChannel handler)` Creates LocalConnector with specified handler and no serialization.
    `LocalConnection(DataChannel handler, int serializationPolicy)` Creates a LocalConnector with specified handler and serialization policy.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected void` | `beforeSendMessage(ClientMessage message)` Does nothing.
    `protected Object` | `doSendMessage(ClientMessage message)` Dispatches a message to an internal handler.
    `DataChannel` | `getChannel()` Returns wrapped DataChannel.
    `EventBridge` | `getServerEventBridge()` Returns null.
    `boolean` | `isSerializingMessages()`

    - ### Methods inherited from class org.apache.cayenne.remote.BaseConnection

      `getProcessedMessagesCount, getReadTimeout, sendMessage, setReadTimeout`

    - ### Methods inherited from class java.lang.Object

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

- - ### Field Detail

    - #### NO_SERIALIZATION

          public static final int NO_SERIALIZATION

      See Also:
        Constant Field Values

    - #### JAVA_SERIALIZATION

          public static final int JAVA_SERIALIZATION

      See Also:
        Constant Field Values

    - #### HESSIAN_SERIALIZATION

          public static final int HESSIAN_SERIALIZATION

      See Also:
        Constant Field Values

    - #### channel

          protected DataChannel channel

    - #### serializationPolicy

          protected int serializationPolicy

  - ### Constructor Detail

    - #### LocalConnection

          public LocalConnection(DataChannel handler)

      Creates LocalConnector with specified handler and no serialization.

    - #### LocalConnection

          public LocalConnection(DataChannel handler,
                                 int serializationPolicy)

      Creates a LocalConnector with specified handler and serialization policy. Valid policies are defined as final static int field in this class.

  - ### Method Detail

    - #### isSerializingMessages

          public boolean isSerializingMessages()

    - #### getChannel

          public DataChannel getChannel()

      Returns wrapped DataChannel.

    - #### getServerEventBridge

          public EventBridge getServerEventBridge()

      Returns null.
      Returns:
        An EventBridge or null if server events are not supported.

    - #### beforeSendMessage

          protected void beforeSendMessage(ClientMessage message)

      Does nothing.
      Specified by:
        `beforeSendMessage` in class `BaseConnection`

    - #### doSendMessage

          protected Object doSendMessage(ClientMessage message)
                                  throws CayenneRuntimeException

      Dispatches a message to an internal handler.
      Specified by:
        `doSendMessage` in class `BaseConnection`
      Throws:
        `CayenneRuntimeException`

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