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    1   /**
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
   10    *
   11    * Unless required by applicable law or agreed to in writing, software
   12    * distributed under the License is distributed on an "AS IS" BASIS,
   13    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   14    * See the License for the specific language governing permissions and
   15    * limitations under the License.
   16    */
   17   package org.apache.activemq.store.kahadaptor;
   18   
   19   import java.io.DataInput;
   20   import java.io.DataOutput;
   21   import java.io.IOException;
   22   import org.apache.activemq.command.MessageId;
   23   import org.apache.activemq.kaha.Marshaller;
   24   import org.apache.activemq.kaha.impl.index.IndexItem;
   25   
   26   /**
   27    * Marshall a TopicSubAck
   28    * 
   29    * @version $Revision: 1.10 $
   30    */
   31   public class ConsumerMessageRefMarshaller implements Marshaller {
   32   
   33       /**
   34        * @param object
   35        * @param dataOut
   36        * @throws IOException
   37        * @see org.apache.activemq.kaha.Marshaller#writePayload(java.lang.Object,
   38        *      java.io.DataOutput)
   39        */
   40       public void writePayload(Object object, DataOutput dataOut) throws IOException {
   41           ConsumerMessageRef ref = (ConsumerMessageRef)object;
   42           dataOut.writeUTF(ref.getMessageId().toString());
   43           IndexItem item = (IndexItem)ref.getMessageEntry();
   44           dataOut.writeLong(item.getOffset());
   45           item.write(dataOut);
   46           item = (IndexItem)ref.getAckEntry();
   47           dataOut.writeLong(item.getOffset());
   48           item.write(dataOut);
   49   
   50       }
   51   
   52       /**
   53        * @param dataIn
   54        * @return payload
   55        * @throws IOException
   56        * @see org.apache.activemq.kaha.Marshaller#readPayload(java.io.DataInput)
   57        */
   58       public Object readPayload(DataInput dataIn) throws IOException {
   59           ConsumerMessageRef ref = new ConsumerMessageRef();
   60           ref.setMessageId(new MessageId(dataIn.readUTF()));
   61           IndexItem item = new IndexItem();
   62           item.setOffset(dataIn.readLong());
   63           item.read(dataIn);
   64           ref.setMessageEntry(item);
   65           item = new IndexItem();
   66           item.setOffset(dataIn.readLong());
   67           item.read(dataIn);
   68           ref.setAckEntry(item);
   69           return ref;
   70       }
   71   }

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