Package org.apache.activemq.command

Examples of org.apache.activemq.command.DataStructure

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        ConnectionContext context = new ConnectionContext();

        // While we have records in the journal.
        while ((pos = journal.getNextRecordLocation(pos)) != null) {
            Packet data = journal.read(pos);
            DataStructure c = (DataStructure)wireFormat.unmarshal(toByteSequence(data));

            if (c instanceof Message) {
                Message message = (Message)c;
                JournalMessageStore store = (JournalMessageStore)createMessageStore(message.getDestination());
                if (message.isInTransaction()) {
                    transactionStore.addMessage(store, message, pos);
                } else {
                    store.replayAddMessage(context, message);
                    transactionCounter++;
                }
            } else {
                switch (c.getDataStructureType()) {
                case JournalQueueAck.DATA_STRUCTURE_TYPE: {
                    JournalQueueAck command = (JournalQueueAck)c;
                    JournalMessageStore store = (JournalMessageStore)createMessageStore(command.getDestination());
                    if (command.getMessageAck().isInTransaction()) {
                        transactionStore.removeMessage(store, command.getMessageAck(), pos);
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            } catch (JMSException e) {
                connection.onAsyncException(e);
            }
        }

        DataStructure o = md.getMessage().getDataStructure();
        if (o != null && o.getClass() == DestinationInfo.class) {
            processDestinationInfo((DestinationInfo)o);
        } else {
            connection.onAsyncException(new JMSException(
                                                         "Unexpected message was dispatched to the AdvisoryConsumer: "
                                                             + md));
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            byte dataType = dis.readByte();
            DataStreamMarshaller dsm = (DataStreamMarshaller)dataMarshallers[dataType & 0xFF];
            if (dsm == null) {
                throw new IOException("Unknown data type: " + dataType);
            }
            DataStructure data = dsm.createObject();

            if (data.isMarshallAware() && bs.readBoolean()) {

                dis.readInt();
                dis.readByte();

                BooleanStream bs2 = new BooleanStream();
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            byte dataType = dis.readByte();
            DataStreamMarshaller dsm = (DataStreamMarshaller)dataMarshallers[dataType & 0xFF];
            if (dsm == null) {
                throw new IOException("Unknown data type: " + dataType);
            }
            DataStructure data = dsm.createObject();
            dsm.looseUnmarshal(this, data, dis);
            return data;

        } else {
            return null;
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    protected DataStructure tightUnmarsalCachedObject(OpenWireFormat wireFormat, DataInput dataIn,
                                                      BooleanStream bs) throws IOException {
        if (wireFormat.isCacheEnabled()) {
            if (bs.readBoolean()) {
                short index = dataIn.readShort();
                DataStructure object = wireFormat.tightUnmarshalNestedObject(dataIn, bs);
                wireFormat.setInUnmarshallCache(index, object);
                return object;
            } else {
                short index = dataIn.readShort();
                return wireFormat.getFromUnmarshallCache(index);
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    protected DataStructure looseUnmarsalCachedObject(OpenWireFormat wireFormat, DataInput dataIn)
        throws IOException {
        if (wireFormat.isCacheEnabled()) {
            if (dataIn.readBoolean()) {
                short index = dataIn.readShort();
                DataStructure object = wireFormat.looseUnmarshalNestedObject(dataIn);
                wireFormat.setInUnmarshallCache(index, object);
                return object;
            } else {
                short index = dataIn.readShort();
                return wireFormat.getFromUnmarshallCache(index);
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    protected DataStructure tightUnmarsalCachedObject(OpenWireFormat wireFormat, DataInput dataIn,
                                                      BooleanStream bs) throws IOException {
        if (wireFormat.isCacheEnabled()) {
            if (bs.readBoolean()) {
                short index = dataIn.readShort();
                DataStructure object = wireFormat.tightUnmarshalNestedObject(dataIn, bs);
                wireFormat.setInUnmarshallCache(index, object);
                return object;
            } else {
                short index = dataIn.readShort();
                return wireFormat.getFromUnmarshallCache(index);
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    protected DataStructure looseUnmarsalCachedObject(OpenWireFormat wireFormat, DataInput dataIn)
        throws IOException {
        if (wireFormat.isCacheEnabled()) {
            if (dataIn.readBoolean()) {
                short index = dataIn.readShort();
                DataStructure object = wireFormat.looseUnmarshalNestedObject(dataIn);
                wireFormat.setInUnmarshallCache(index, object);
                return object;
            } else {
                short index = dataIn.readShort();
                return wireFormat.getFromUnmarshallCache(index);
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     *
     */
    public Message getMessage(MessageId identity) throws IOException {
        Location location = getLocation(identity);
        if (location != null) {
            DataStructure rc = peristenceAdapter.readCommand(location);
            try {
                return (Message) rc;
            } catch (ClassCastException e) {
                throw new IOException("Could not read message " + identity
                        + " at location " + location
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    Message getMessage(ReferenceData data) throws IOException {
        Location location = new Location();
        location.setDataFileId(data.getFileId());
        location.setOffset(data.getOffset());
        DataStructure rc = peristenceAdapter.readCommand(location);
        try {
            return (Message)rc;
        } catch (ClassCastException e) {
            throw new IOException("Could not read message  at location " + location + ", expected a message, but got: " + rc);
        }
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Related Classes of org.apache.activemq.command.DataStructure

  • org.apache.activemq.AdvisoryConsumer
  • org.apache.activemq.camel.component.AdvisoryConsumerExample
  • org.apache.activemq.console.command.store.amq.AMQJournalTool
  • org.apache.activemq.console.command.store.amq.reader.AMQReader
  • org.apache.activemq.openwire.OpenWireFormat
  • org.apache.activemq.openwire.v1.BaseDataStreamMarshaller
  • org.apache.activemq.openwire.v1.DataArrayResponseTest
  • org.apache.activemq.openwire.v10.BaseDataStreamMarshaller
  • org.apache.activemq.openwire.v2.BaseDataStreamMarshaller
  • org.apache.activemq.openwire.v2.DataArrayResponseTest
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