[hornetq-commits] JBoss hornetq SVN: r8388 - branches/20-optimisation/src/main/org/hornetq/core/remoting/impl/wireformat.

Author: timfox Date: 2009-11-23 18:28:33 -0500 (Mon, 23 Nov 2009) New Revision: 8388 Added: branches/20-optimisation/src/main/org/hornetq/core/remoting/impl/wireformat/MessagePacket.java Log: optimisation Added: branches/20-optimisation/src/main/org/hornetq/core/remoting/impl/wireformat/MessagePacket.java =================================================================== --- branches/20-optimisation/src/main/org/hornetq/core/remoting/impl/wireformat/MessagePacket.java (rev 0) +++ branches/20-optimisation/src/main/org/hornetq/core/remoting/impl/wireformat/MessagePacket.java 2009-11-23 23:28:33 UTC (rev 8388) @@ -0,0 +1,81 @@ +/* + * Copyright 2009 Red Hat, Inc. + * Red Hat licenses this file to you under the Apache License, version + * 2.0 (the "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * http://www.apache.org/licenses/LICENSE-2.0 + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + * implied. See the License for the specific language governing + * permissions and limitations under the License. + */ + +package org.hornetq.core.remoting.impl.wireformat; + +import org.hornetq.core.buffers.HornetQBuffer; +import org.hornetq.core.message.Message; +import org.hornetq.core.remoting.RemotingConnection; +import org.hornetq.utils.DataConstants; + +/** + * A MessagePacket + * + * @author tim + * + * + */ +public abstract class MessagePacket extends PacketImpl +{ + protected Message message; + + public MessagePacket(final byte type, final Message message) + { + super(type); + + this.message = message; + } + + public Message getMessage() + { + return message; + } + + @Override + public HornetQBuffer encode(final RemotingConnection connection) + { + HornetQBuffer buffer = message.encodeToBuffer(); + + buffer.setIndex(0, message.getEndOfMessagePosition()); + + encodeExtraData(buffer); + + size = buffer.writerIndex(); + + //Write standard headers + + int len = size - DataConstants.SIZE_INT; + buffer.setInt(0, len); + buffer.setByte(DataConstants.SIZE_INT, type); + buffer.setLong(DataConstants.SIZE_INT + DataConstants.SIZE_BYTE, channelID); + + //Position reader for reading by Netty + buffer.readerIndex(0); + + return buffer; + } + + @Override + public void decodeRest(HornetQBuffer buffer) + { + //Buffer comes in after having read standard headers and positioned at Beginning of body part + + message.decodeFromBuffer(buffer); + + decodeExtraData(buffer); + } + + protected abstract void encodeExtraData(HornetQBuffer buffer); + + protected abstract void decodeExtraData(HornetQBuffer buffer); +}