00001 /* 00002 * Licensed to the Apache Software Foundation (ASF) under one or more 00003 * contributor license agreements. See the NOTICE file distributed with 00004 * this work for additional information regarding copyright ownership. 00005 * The ASF licenses this file to You under the Apache License, Version 2.0 00006 * (the "License"); you may not use this file except in compliance with 00007 * the License. You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 */ 00017 00018 #ifndef _ACTIVEMQ_CORE_POLICIES_DEFAULTREDELIVERYPOLICY_H_ 00019 #define _ACTIVEMQ_CORE_POLICIES_DEFAULTREDELIVERYPOLICY_H_ 00020 00021 #include <activemq/util/Config.h> 00022 00023 #include <activemq/core/RedeliveryPolicy.h> 00024 00025 namespace activemq { 00026 namespace core { 00027 namespace policies { 00028 00029 class AMQCPP_API DefaultRedeliveryPolicy : public RedeliveryPolicy { 00030 private: 00031 00032 double backOffMultiplier; 00033 double collisionAvoidanceFactor; 00034 long long initialRedeliveryDelay; 00035 int maximumRedeliveries; 00036 bool useCollisionAvoidance; 00037 bool useExponentialBackOff; 00038 long long redeliveryDelay; 00039 00040 private: 00041 00042 DefaultRedeliveryPolicy(const DefaultRedeliveryPolicy&); 00043 DefaultRedeliveryPolicy& operator=(const DefaultRedeliveryPolicy&); 00044 00045 public: 00046 00047 DefaultRedeliveryPolicy(); 00048 00049 virtual ~DefaultRedeliveryPolicy(); 00050 00051 virtual double getBackOffMultiplier() const { 00052 return this->backOffMultiplier; 00053 } 00054 00055 virtual void setBackOffMultiplier(double value) { 00056 this->backOffMultiplier = value; 00057 } 00058 00059 virtual short getCollisionAvoidancePercent() const; 00060 00061 virtual void setCollisionAvoidancePercent(short value); 00062 00063 virtual long long getInitialRedeliveryDelay() const { 00064 return this->initialRedeliveryDelay; 00065 } 00066 00067 virtual void setInitialRedeliveryDelay(long long value) { 00068 this->initialRedeliveryDelay = value; 00069 } 00070 00071 virtual long long getRedeliveryDelay() const { 00072 return this->redeliveryDelay; 00073 } 00074 00075 virtual void setRedeliveryDelay(long long value) { 00076 this->redeliveryDelay = value; 00077 } 00078 00079 virtual int getMaximumRedeliveries() const { 00080 return this->maximumRedeliveries; 00081 } 00082 00083 virtual void setMaximumRedeliveries(int value) { 00084 this->maximumRedeliveries = value; 00085 } 00086 00087 virtual bool isUseCollisionAvoidance() const { 00088 return this->useCollisionAvoidance; 00089 } 00090 00091 virtual void setUseCollisionAvoidance(bool value) { 00092 this->useCollisionAvoidance = value; 00093 } 00094 00095 virtual bool isUseExponentialBackOff() const { 00096 return this->useExponentialBackOff; 00097 } 00098 00099 virtual void setUseExponentialBackOff(bool value) { 00100 this->useExponentialBackOff = value; 00101 } 00102 00103 virtual long long getNextRedeliveryDelay(long long previousDelay); 00104 00105 virtual RedeliveryPolicy* clone() const; 00106 00107 }; 00108 00109 }}} 00110 00111 #endif /* _ACTIVEMQ_CORE_POLICIES_DEFAULTREDELIVERYPOLICY_H_ */
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