abstract class RpcHandler extends AnyRef

Handler for sendRPC() messages sent by org.apache.spark.network.client.TransportClients.

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Known Subclasses
SaslRpcHandler, AbstractAuthRpcHandler, NoOpRpcHandler
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Instance Constructors

  1. new RpcHandler()

Abstract Value Members

  1. abstract def getStreamManager(): StreamManager

    Returns the StreamManager which contains the state about which streams are currently being fetched by a TransportClient.

  2. abstract def receive(client: TransportClient, message: ByteBuffer, callback: RpcResponseCallback): Unit

    Receive a single RPC message.

    Receive a single RPC message. Any exception thrown while in this method will be sent back to the client in string form as a standard RPC failure.

    Neither this method nor #receiveStream will be called in parallel for a single TransportClient (i.e., channel).

    client

    A channel client which enables the handler to make requests back to the sender of this RPC. This will always be the exact same object for a particular channel.

    message

    The serialized bytes of the RPC.

    callback

    Callback which should be invoked exactly once upon success or failure of the RPC.

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##: Int
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  3. final def ==(arg0: Any): Boolean
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  4. final def asInstanceOf[T0]: T0
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  5. def channelActive(client: TransportClient): Unit

    Invoked when the channel associated with the given client is active.

  6. def channelInactive(client: TransportClient): Unit

    Invoked when the channel associated with the given client is inactive.

    Invoked when the channel associated with the given client is inactive. No further requests will come from this client.

  7. def clone(): AnyRef
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    @throws(classOf[java.lang.CloneNotSupportedException]) @native()
  8. final def eq(arg0: AnyRef): Boolean
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  9. def equals(arg0: AnyRef): Boolean
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  10. def exceptionCaught(cause: Throwable, client: TransportClient): Unit
  11. def finalize(): Unit
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  12. final def getClass(): Class[_ <: AnyRef]
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  13. def getMergedBlockMetaReqHandler(): MergedBlockMetaReqHandler
  14. def hashCode(): Int
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  15. final def isInstanceOf[T0]: Boolean
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  16. final def ne(arg0: AnyRef): Boolean
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  17. final def notify(): Unit
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    @native()
  18. final def notifyAll(): Unit
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    @native()
  19. def receive(client: TransportClient, message: ByteBuffer): Unit

    Receives an RPC message that does not expect a reply.

    Receives an RPC message that does not expect a reply. The default implementation will call "ByteBuffer, RpcResponseCallback)" and log a warning if any of the callback methods are called.

    client

    A channel client which enables the handler to make requests back to the sender of this RPC. This will always be the exact same object for a particular channel.

    message

    The serialized bytes of the RPC.

  20. def receiveStream(client: TransportClient, messageHeader: ByteBuffer, callback: RpcResponseCallback): StreamCallbackWithID

    Receive a single RPC message which includes data that is to be received as a stream.

    Receive a single RPC message which includes data that is to be received as a stream. Any exception thrown while in this method will be sent back to the client in string form as a standard RPC failure.

    Neither this method nor #receive will be called in parallel for a single TransportClient (i.e., channel).

    An error while reading data from the stream (ByteBuffer)) will fail the entire channel. A failure in "post-processing" the stream in org.apache.spark.network.client.StreamCallback#onComplete(String) will result in an rpcFailure, but the channel will remain active.

    client

    A channel client which enables the handler to make requests back to the sender of this RPC. This will always be the exact same object for a particular channel.

    messageHeader

    The serialized bytes of the header portion of the RPC. This is in meant to be relatively small, and will be buffered entirely in memory, to facilitate how the streaming portion should be received.

    callback

    Callback which should be invoked exactly once upon success or failure of the RPC.

    returns

    a StreamCallback for handling the accompanying streaming data

  21. final def synchronized[T0](arg0: => T0): T0
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  22. def toString(): String
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  23. final def wait(): Unit
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    @throws(classOf[java.lang.InterruptedException])
  24. final def wait(arg0: Long, arg1: Int): Unit
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    @throws(classOf[java.lang.InterruptedException])
  25. final def wait(arg0: Long): Unit
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    @throws(classOf[java.lang.InterruptedException]) @native()

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