/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF 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.apache.catalina.tribes;
import java.io.Serializable;
import org.apache.catalina.tribes.io.XByteBuffer;
/** * Message that is passed through the interceptor stack after the * data serialized in the Channel object and then passed down to the * interceptor and eventually down to the ChannelSender component *
*/ publicinterface ChannelMessage extends Serializable, Cloneable {
/** * Get the address that this message originated from. * Almost always <code>Channel.getLocalMember(boolean)</code><br> * This would be set to a different address * if the message was being relayed from a host other than the one * that originally sent it. * @return the source or reply-to address of this message
*/
Member getAddress();
/** * Sets the source or reply-to address of this message * @param member Member
*/ void setAddress(Member member);
/** * Timestamp of when the message was created. * @return long timestamp in milliseconds
*/ long getTimestamp();
/** * Sets the timestamp of this message. * * @param timestamp The timestamp
*/ void setTimestamp(long timestamp);
/** * Each message must have a globally unique Id. * interceptors heavily depend on this id for message processing * @return byte
*/ byte[] getUniqueId();
/** * The byte buffer that contains the actual message payload * @param buf XByteBuffer
*/ void setMessage(XByteBuffer buf);
/** * returns the byte buffer that contains the actual message payload * @return XByteBuffer
*/
XByteBuffer getMessage();
/** * The message options is a 32 bit flag set * that triggers interceptors and message behavior. * @see Channel#send(Member[], Serializable, int) * @see ChannelInterceptor#getOptionFlag * @return int - the option bits set for this message
*/ int getOptions();
/** * sets the option bits for this message * @param options int * @see #getOptions()
*/ void setOptions(int options);
/** * Shallow clone, what gets cloned depends on the implementation * @return ChannelMessage
*/
Object clone();
/** * Deep clone, all fields MUST get cloned * @return ChannelMessage
*/
Object deepclone();
}
Messung V0.5
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