001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied. See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 *
019 */
020 package org.apache.directory.shared.ldap.message.internal;
021
022 import org.apache.directory.shared.ldap.codec.MessageTypeEnum;
023
024
025 /**
026 * The base request message class.
027 *
028 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
029 * @version $Rev: 910150 $
030 */
031 public class InternalAbstractRequest extends InternalAbstractMessage implements InternalRequest
032 {
033 static final long serialVersionUID = -4511116249089399040L;
034
035 /** Flag indicating whether or not this request returns a response. */
036 private final boolean hasResponse;
037
038
039 /**
040 * Subclasses must provide these parameters via a super constructor call.
041 *
042 * @param id
043 * the sequential message identifier
044 * @param type
045 * the request type enum
046 * @param hasResponse
047 * flag indicating if this request generates a response
048 */
049 protected InternalAbstractRequest(final int id, final MessageTypeEnum type, boolean hasResponse)
050 {
051 super( id, type );
052
053 this.hasResponse = hasResponse;
054 }
055
056
057 /**
058 * Indicator flag used to determine whether or not this type of request
059 * produces a reply.
060 *
061 * @return true if any reply is generated, false if no response is generated
062 */
063 public boolean hasResponse()
064 {
065 return hasResponse;
066 }
067
068 /**
069 * @see Object#hashCode()
070 * @return the instance's hash code
071 */
072 public int hashCode()
073 {
074 int hash = 37;
075 hash = hash*17 + (hasResponse ? 0 : 1 );
076 hash = hash*17 + super.hashCode();
077
078 return hash;
079 }
080 }