Examples of org.apache.qpid.codec.AMQDecoder

org.apache.qpid.codec.AMQDecoder

AMQDecoder delegates the decoding of AMQP either to a data block decoder, or in the case of new connections, to a protocol initiation decoder. It is a cumulative decoder, which means that it can accumulate data to decode in the buffer until there is enough data to decode.

One instance of this class is created per session, so any changes or configuration done at run time to the decoder will only affect decoding of the protocol session data to which is it bound.

CRC Card
Responsibilities	Collaborations
Delegate protocol initiation to its decoder.	{@link ProtocolInitiation.Decoder}
Delegate AMQP data to its decoder.	{@link AMQDataBlockDecoder}
Accept notification that protocol initiation has completed.

@todo If protocol initiation decoder not needed, then don't create it. Probably not a big deal, but it adds to theper-session overhead.

    private void decodePI(ProtocolInitiation pi) throws Exception
    {
        // we need to do this test at the level of the decoder since we initially only expect PI frames
        // so the protocol handler is not set up to know whether it should be expecting a PI frame or
        // a different type of frame
        AMQDecoder decoder = new AMQDecoder(true);
        AMQEncoder encoder = new AMQEncoder();
        TestProtocolEncoderOutput peo = new TestProtocolEncoderOutput();
        encoder.encode(_mockIoSession, pi, peo);
        TestProtocolDecoderOutput pdo = new TestProtocolDecoderOutput();
        decoder.decode(_mockIoSession, peo.result, pdo);
        ((ProtocolInitiation) pdo.result).checkVersion(this);
    }

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    private void decodePI(ProtocolInitiation pi) throws Exception
    {
        // we need to do this test at the level of the decoder since we initially only expect PI frames
        // so the protocol handler is not set up to know whether it should be expecting a PI frame or
        // a different type of frame
        AMQDecoder decoder = new AMQDecoder(true);
        AMQEncoder encoder = new AMQEncoder();
        TestProtocolEncoderOutput peo = new TestProtocolEncoderOutput();
        encoder.encode(_mockIoSession, pi, peo);
        TestProtocolDecoderOutput pdo = new TestProtocolDecoderOutput();
        decoder.decode(_mockIoSession, peo.result, pdo);
        ((ProtocolInitiation) pdo.result).checkVersion(this);
    }

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        _port = port;
        _transport = transport;
        _maxNoOfChannels = broker.getConnection_sessionCountLimit();
        _receivedLock = new ReentrantLock();
        _stateManager = new AMQStateManager(broker, this);
        _decoder = new AMQDecoder(true, this);
        _connectionID = connectionId;
        _logSubject = new ConnectionLogSubject(this);


        _authorizedSubject.getPrincipals().add(new ConnectionPrincipal(this));
        runAsSubject(new PrivilegedAction<Void>()

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    public AMQProtocolHandler(AMQConnection con)
    {
        _connection = con;
        _protocolSession = new AMQProtocolSession(this, _connection);
        _stateManager = new AMQStateManager(_protocolSession);
        _decoder = new AMQDecoder(false, _protocolSession);
        _failoverHandler = new FailoverHandler(this);
    }

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            baos.write(buffer,0,size);
        }


        byte[] serverData = baos.toByteArray();
        final FrameCreatingMethodProcessor methodProcessor = new FrameCreatingMethodProcessor(ProtocolVersion.v0_91);
        AMQDecoder decoder = new ClientDecoder(methodProcessor);
        decoder.decodeBuffer(ByteBuffer.wrap(serverData));


        evaluator.evaluate(socket, methodProcessor.getProcessedMethods());
    }

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Related Classes of org.apache.qpid.codec.AMQDecoder

org.apache.mina.common.ByteBuffer

org.apache.qpid.client.protocol.AMQProtocolHandler

org.apache.qpid.framing.AMQMethodBodyFactory

org.apache.qpid.framing.ByteArrayDataInput

org.apache.qpid.framing.ProtocolInitiation

org.apache.qpid.server.protocol.TestProtocolInitiation

org.apache.qpid.server.protocol.v0_8.AMQProtocolEngine

org.apache.qpid.transport.MaxFrameSizeTest

java.io.DataInput

java.io.ByteArrayInputStream

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