Examples of com.taobao.metamorphosis.server.store.MessageSet

Package com.taobao.metamorphosis.server.store

Examples of com.taobao.metamorphosis.server.store.MessageSet

com.taobao.metamorphosis.server.store.MessageSet
��Ϣ�� @author boyan @Date 2011-4-19

        final int opaque = 0;
        final int maxSize = 1024;
        final long offset = 10;
        final MessageStore store = this.mocksControl.createMock(MessageStore.class);
        EasyMock.expect(this.storeManager.getMessageStore(this.topic, partition)).andReturn(store);
        final MessageSet set = this.mocksControl.createMock(MessageSet.class);
        EasyMock.expect(store.slice(offset, maxSize)).andReturn(set);
        final GetCommand request = new GetCommand(this.topic, this.group, partition, offset, maxSize, opaque);
        set.write(request, this.sessionContext);
        EasyMock.expectLastCall();
        this.mocksControl.replay();


        this.getProcessor.handleRequest(request, this.conn);
        this.mocksControl.verify();

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        final ByteBuffer msgBuf =
                MessageUtils.makeMessageBuffer(999, new PutCommand(this.topic, partition, "hello world".getBytes(),
                    null, 0, opaque));
        final MessageStore store = this.mocksControl.createMock(MessageStore.class);
        EasyMock.expect(this.storeManager.getMessageStore(this.topic, partition)).andReturn(store);
        final MessageSet set = this.mocksControl.createMock(MessageSet.class);
        EasyMock.expect(store.slice(offset, maxSize)).andReturn(set);
        final GetCommand request = new GetCommand(this.topic, this.group, partition, offset, maxSize, opaque);
        set.read((ByteBuffer) EasyMock.anyObject());
        EasyMock.expectLastCall().andAnswer(new IAnswer<Void>() {


            @Override
            public Void answer() throws Throwable {
                final Object[] args = EasyMock.getCurrentArguments();

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        final ByteBuffer msgBuf =
                MessageUtils.makeMessageBuffer(999, new PutCommand(this.topic, partition, "hello world".getBytes(),
                    null, 0, opaque));
        final MessageStore store = this.mocksControl.createMock(MessageStore.class);
        EasyMock.expect(this.storeManager.getMessageStore(this.topic, partition)).andReturn(store);
        final MessageSet set = this.mocksControl.createMock(MessageSet.class);
        EasyMock.expect(store.slice(offset, maxSize)).andReturn(set);
        final GetCommand request = new GetCommand(this.topic, this.group, partition, offset, maxSize, opaque);
        set.read((ByteBuffer) EasyMock.anyObject());
        EasyMock.expectLastCall().andAnswer(new IAnswer<Void>() {


            @Override
            public Void answer() throws Throwable {
                final Object[] args = EasyMock.getCurrentArguments();

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        if (request.getMaxSize() <= 0) {
            return new BooleanCommand(HttpStatus.BadRequest, "Bad request,invalid max size:" + request.getMaxSize(),
                request.getOpaque());
        }
        try {
            final MessageSet set =
                    store.slice(request.getOffset(),
                        Math.min(this.metaConfig.getMaxTransferSize(), request.getMaxSize()));
            ConsumerMessageFilter filter = this.consumerFilterManager.findFilter(topic, group);
            if (set != null) {
                if (zeroCopy && filter == null) {
                    set.write(request, ctx);
                    return null;
                }
                else {
                    // refer to the code of line 440 in MessageStore
                    // create two copies of byte array including the byteBuffer
                    // and new bytes
                    // this may not a good use case of Buffer
                    final ByteBuffer byteBuffer =
                            ByteBuffer.allocate(Math.min(this.metaConfig.getMaxTransferSize(), request.getMaxSize()));
                    set.read(byteBuffer);
                    byte[] bytes = this.getBytesFromBuffer(byteBuffer);
                    // If filter is not null,we filter the messages by it.
                    if (filter != null) {
                        MessageIterator it = new MessageIterator(topic, bytes);
                        // reuse the buffer.

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Related Classes of com.taobao.metamorphosis.server.store.MessageSet

com.taobao.metamorphosis.server.assembly.BrokerCommandProcessor

com.taobao.metamorphosis.server.network.GetProcessorUnitTest

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