Package org.apache.activemq.command

Examples of org.apache.activemq.command.DataStructure

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     * Used by NIO or AIO transports
     */
    public int tightMarshal1(Object o, BooleanStream bs) throws IOException {
        int size = 1;
        if (o != null) {
            DataStructure c = (DataStructure)o;
            byte type = c.getDataStructureType();
            DataStreamMarshaller dsm = (DataStreamMarshaller)dataMarshallers[type & 0xFF];
            if (dsm == null) {
                throw new IOException("Unknown data type: " + type);
            }

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        if (cacheEnabled) {
            runMarshallCacheEvictionSweep();
        }

        if (o != null) {
            DataStructure c = (DataStructure)o;
            byte type = c.getDataStructureType();
            DataStreamMarshaller dsm = (DataStreamMarshaller)dataMarshallers[type & 0xFF];
            if (dsm == null) {
                throw new IOException("Unknown data type: " + type);
            }
            ds.writeByte(type);
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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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        long start = System.currentTimeMillis();
        ConnectionContext context = new ConnectionContext(new NonCachedMessageEvaluationContext());
        // While we have records in the journal.
        while ((pos = asyncDataManager.getNextLocation(pos)) != null) {
            ByteSequence data = asyncDataManager.read(pos);
            DataStructure c = (DataStructure)wireFormat.unmarshal(data);
            if (c instanceof Message) {
                Message message = (Message)c;
                AMQMessageStore store = (AMQMessageStore)createMessageStore(message.getDestination());
                if (message.isInTransaction()) {
                    transactionStore.addMessage(store, message, pos);
                } else {
                    if (store.replayAddMessage(context, message, pos)) {
                        redoCounter++;
                    }
                }
            } else {
                switch (c.getDataStructureType()) {
                case SubscriptionInfo.DATA_STRUCTURE_TYPE: {
                    referenceStoreAdapter.recoverSubscription((SubscriptionInfo)c);
                }
                    break;
                case JournalQueueAck.DATA_STRUCTURE_TYPE: {
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    protected void populateObject(Object object) throws Exception {
        super.populateObject(object);
        DataArrayResponse info = (DataArrayResponse)object;

        {
            DataStructure value[] = new DataStructure[2];
            for (int i = 0; i < 2; i++) {
                value[i] = createDataStructure("Data:1");
            }
            info.setData(value);
        }
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    protected void populateObject(Object object) throws Exception {
        super.populateObject(object);
        DataArrayResponse info = (DataArrayResponse)object;

        {
            DataStructure value[] = new DataStructure[2];
            for (int i = 0; i < 2; i++) {
                value[i] = createDataStructure("Data:1");
            }
            info.setData(value);
        }
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        ConnectionContext context = new ConnectionContext(new NonCachedMessageEvaluationContext());

        // 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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    protected void populateObject(Object object) throws Exception {
        super.populateObject(object);
        DataArrayResponse info = (DataArrayResponse)object;

        {
            DataStructure value[] = new DataStructure[2];
            for (int i = 0; i < 2; i++) {
                value[i] = createDataStructure("Data:1");
            }
            info.setData(value);
        }
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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
                        + ", 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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