Source Code Cross Referenced for ProxyServiceStatisticsStack.java in  » ESB » synapse » org » apache » synapse » statistics » impl » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » ESB » synapse » org.apache.synapse.statistics.impl 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


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:        package org.apache.synapse.statistics.impl;
020:
021:        import org.apache.synapse.statistics.StatisticsStack;
022:        import org.apache.synapse.statistics.StatisticsCollector;
023:        import org.apache.synapse.SynapseException;
024:        import org.apache.commons.logging.Log;
025:        import org.apache.commons.logging.LogFactory;
026:
027:        /**
028:         * The data structure to hold statistics related to the Proxy Services
029:         *
030:         */
031:
032:        public class ProxyServiceStatisticsStack implements  StatisticsStack {
033:
034:            private static final Log log = LogFactory
035:                    .getLog(ProxyServiceStatisticsStack.class);
036:            /** The name of the proxy service*/
037:            private String proxyServiceName;
038:            /** To check whether statistics is enabled or not */
039:            private boolean isStatisticsEnable = false;
040:            /** The time which starts to collect statistics for IN flow */
041:            private long inTimeForInFlow = -1;
042:            /** The time which starts to collect statistics for OUT flow */
043:            private long inTimeForOutFlow = -1;
044:            /** To indicate whether IN Flow is fault or not*/
045:            private boolean isINFault;
046:            /** To indicate whether OUT Flow is fault or not*/
047:            private boolean isOUTFault;
048:
049:            /**
050:             * To put a statistics
051:             * @param key                   - The Name of the proxy service
052:             * @param initTime
053:             * @param isInFlow
054:             * @param isStatisticsEnable
055:             */
056:            public void put(String key, long initTime, boolean isInFlow,
057:                    boolean isStatisticsEnable, boolean isFault) {
058:                if (isInFlow) {
059:                    this .proxyServiceName = key;
060:                    this .isStatisticsEnable = isStatisticsEnable;
061:                    this .inTimeForInFlow = initTime;
062:                    this .isINFault = isFault;
063:                }
064:            }
065:
066:            /**
067:             * This method used to report the latest  statistics to the StatisticsCollector
068:             * @param statisticsCollector
069:             */
070:            public void reportToStatisticsCollector(
071:                    StatisticsCollector statisticsCollector, boolean isFault) {
072:                synchronized (this ) {
073:                    if (proxyServiceName != null && isStatisticsEnable
074:                            && inTimeForInFlow != -1) {
075:                        inTimeForOutFlow = System.currentTimeMillis();
076:                        isOUTFault = isFault;
077:                        statisticsCollector.reportForProxyService(
078:                                proxyServiceName, false, inTimeForInFlow,
079:                                inTimeForOutFlow, isINFault);
080:                        inTimeForInFlow = -1;
081:                    } else if (inTimeForOutFlow != -1) {
082:                        statisticsCollector.reportForProxyService(
083:                                proxyServiceName, true, inTimeForOutFlow,
084:                                System.currentTimeMillis(), isFault);
085:                        inTimeForOutFlow = -1;
086:                    }
087:                }
088:            }
089:
090:            /**
091:             * Report a particular statistics to the StatisticsReporter
092:             *
093:             * @param statisticsCollector
094:             * @param isFault
095:             * @param name
096:             */
097:            public void reportToStatisticsCollector(
098:                    StatisticsCollector statisticsCollector, boolean isFault,
099:                    String name) {
100:                if (name != null && proxyServiceName != null
101:                        && proxyServiceName.equals(name)) {
102:                    reportToStatisticsCollector(statisticsCollector, isFault);
103:                } else {
104:                    handleException("Invalid ProxyService Name " + name
105:                            + " expected " + proxyServiceName);
106:                }
107:            }
108:
109:            /**
110:             * This method  used to unreported all statistics to the StatisticsCollector
111:             * @param statisticsCollector
112:             * @param isFault
113:             */
114:            public void reportAllToStatisticsCollector(
115:                    StatisticsCollector statisticsCollector, boolean isFault) {
116:                reportToStatisticsCollector(statisticsCollector, isFault);
117:            }
118:
119:            private void handleException(String msg) {
120:                log.error(msg);
121:                throw new SynapseException(msg);
122:            }
123:        }
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