Package org.apache.spark.network.client

Examples of org.apache.spark.network.client.TransportResponseHandler

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public class TransportResponseHandlerSuite {
  @Test
  public void handleSuccessfulFetch() {
    StreamChunkId streamChunkId = new StreamChunkId(1, 0);

    TransportResponseHandler handler = new TransportResponseHandler(new LocalChannel());
    ChunkReceivedCallback callback = mock(ChunkReceivedCallback.class);
    handler.addFetchRequest(streamChunkId, callback);
    assertEquals(1, handler.numOutstandingRequests());

    handler.handle(new ChunkFetchSuccess(streamChunkId, new TestManagedBuffer(123)));
    verify(callback, times(1)).onSuccess(eq(0), (ManagedBuffer) any());
    assertEquals(0, handler.numOutstandingRequests());
  }
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  }

  @Test
  public void handleFailedFetch() {
    StreamChunkId streamChunkId = new StreamChunkId(1, 0);
    TransportResponseHandler handler = new TransportResponseHandler(new LocalChannel());
    ChunkReceivedCallback callback = mock(ChunkReceivedCallback.class);
    handler.addFetchRequest(streamChunkId, callback);
    assertEquals(1, handler.numOutstandingRequests());

    handler.handle(new ChunkFetchFailure(streamChunkId, "some error msg"));
    verify(callback, times(1)).onFailure(eq(0), (Throwable) any());
    assertEquals(0, handler.numOutstandingRequests());
  }
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    assertEquals(0, handler.numOutstandingRequests());
  }

  @Test
  public void clearAllOutstandingRequests() {
    TransportResponseHandler handler = new TransportResponseHandler(new LocalChannel());
    ChunkReceivedCallback callback = mock(ChunkReceivedCallback.class);
    handler.addFetchRequest(new StreamChunkId(1, 0), callback);
    handler.addFetchRequest(new StreamChunkId(1, 1), callback);
    handler.addFetchRequest(new StreamChunkId(1, 2), callback);
    assertEquals(3, handler.numOutstandingRequests());

    handler.handle(new ChunkFetchSuccess(new StreamChunkId(1, 0), new TestManagedBuffer(12)));
    handler.exceptionCaught(new Exception("duh duh duhhhh"));

    // should fail both b2 and b3
    verify(callback, times(1)).onSuccess(eq(0), (ManagedBuffer) any());
    verify(callback, times(1)).onFailure(eq(1), (Throwable) any());
    verify(callback, times(1)).onFailure(eq(2), (Throwable) any());
    assertEquals(0, handler.numOutstandingRequests());
  }
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    assertEquals(0, handler.numOutstandingRequests());
  }

  @Test
  public void handleSuccessfulRPC() {
    TransportResponseHandler handler = new TransportResponseHandler(new LocalChannel());
    RpcResponseCallback callback = mock(RpcResponseCallback.class);
    handler.addRpcRequest(12345, callback);
    assertEquals(1, handler.numOutstandingRequests());

    handler.handle(new RpcResponse(54321, new byte[7])); // should be ignored
    assertEquals(1, handler.numOutstandingRequests());

    byte[] arr = new byte[10];
    handler.handle(new RpcResponse(12345, arr));
    verify(callback, times(1)).onSuccess(eq(arr));
    assertEquals(0, handler.numOutstandingRequests());
  }
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    assertEquals(0, handler.numOutstandingRequests());
  }

  @Test
  public void handleFailedRPC() {
    TransportResponseHandler handler = new TransportResponseHandler(new LocalChannel());
    RpcResponseCallback callback = mock(RpcResponseCallback.class);
    handler.addRpcRequest(12345, callback);
    assertEquals(1, handler.numOutstandingRequests());

    handler.handle(new RpcFailure(54321, "uh-oh!")); // should be ignored
    assertEquals(1, handler.numOutstandingRequests());

    handler.handle(new RpcFailure(12345, "oh no"));
    verify(callback, times(1)).onFailure((Throwable) any());
    assertEquals(0, handler.numOutstandingRequests());
  }
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   * Creates the server- and client-side handler which is used to handle both RequestMessages and
   * ResponseMessages. The channel is expected to have been successfully created, though certain
   * properties (such as the remoteAddress()) may not be available yet.
   */
  private TransportChannelHandler createChannelHandler(Channel channel) {
    TransportResponseHandler responseHandler = new TransportResponseHandler(channel);
    TransportClient client = new TransportClient(channel, responseHandler);
    TransportRequestHandler requestHandler = new TransportRequestHandler(channel, client,
      rpcHandler);
    return new TransportChannelHandler(client, responseHandler, requestHandler);
  }
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Related Classes of org.apache.spark.network.client.TransportResponseHandler

  • org.apache.spark.network.protocol.ChunkFetchFailure
  • org.apache.spark.network.protocol.ChunkFetchSuccess
  • org.apache.spark.network.protocol.RpcFailure
  • org.apache.spark.network.protocol.RpcResponse
  • org.apache.spark.network.TransportContext
  • org.apache.spark.network.TransportResponseHandlerSuite
  • java.io.IOException
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