gerrit.onap Code Review - appc.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP : APPC
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Copyright (C) 2017 Amdocs
   8  * =============================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  *
  21  * ECOMP is a trademark and service mark of AT&T Intellectual Property.
  22  * ============LICENSE_END=========================================================
  23  */
  24
  25 package org.onap.appc.metricservice.policy.impl;
  26
  27 import java.text.SimpleDateFormat;
  28 import java.util.Date;
  29 import java.util.Properties;
  30 import java.util.concurrent.Executors;
  31 import java.util.concurrent.ScheduledExecutorService;
  32 import java.util.concurrent.ThreadFactory;
  33 import java.util.concurrent.TimeUnit;
  34
  35 import org.onap.appc.configuration.Configuration;
  36 import org.onap.appc.configuration.ConfigurationFactory;
  37 import org.onap.appc.exceptions.APPCException;
  38 import org.onap.appc.metricservice.MetricRegistry;
  39 import org.onap.appc.metricservice.MetricService;
  40 import org.onap.appc.metricservice.Publisher;
  41 import org.onap.appc.metricservice.metric.Metric;
  42 import org.onap.appc.metricservice.policy.ScheduledPublishingPolicy;
  43 import com.att.eelf.configuration.EELFLogger;
  44 import com.att.eelf.configuration.EELFManager;
  45
  46
  47 public class ScheduledPublishingPolicyImpl implements ScheduledPublishingPolicy {
  48     private long startTime;
  49     private long period;
  50     private Publisher[] publishers;
  51     private Metric[] metrics;
  52     private MetricRegistry metricRegistry;
  53     private static final EELFLogger logger = EELFManager.getInstance().getLogger(ScheduledPublishingPolicyImpl.class);
  54     private ScheduledExecutorService scheduleExecutor;
  55     private Configuration configuration;
  56
  57     public ScheduledPublishingPolicyImpl(long startTime, long period, Publisher[] publishers, Metric[] metrics) {
  58         this.startTime = startTime;
  59         this.period = period;
  60         this.publishers = publishers;
  61         this.metrics = metrics;
  62         this.scheduleExecutor= Executors.newSingleThreadScheduledExecutor(getThreadFactory(true));
  63     }
  64
  65     public ScheduledPublishingPolicyImpl( Publisher[] publishers, Metric[] metrics) {
  66         configuration = ConfigurationFactory.getConfiguration();
  67         Properties properties=configuration.getProperties();
  68         if(properties!=null){
  69             if(properties.getProperty("schedule.policy.metric.period")!=null && properties.getProperty("schedule.policy.metric.start.time")!=null){
  70                 this.startTime = getConfigStartTime(properties);
  71                 this.period = getConfigPeriod(properties);
  72                 logger.info("Metric Properties read from configuration Start Time :"+this.startTime+", Period :"+this.period);
  73             }else if(properties.getProperty("schedule.policy.metric.period")!=null){
  74                 this.startTime=1;
  75                 this.period=getConfigPeriod(properties);
  76                 logger.info("Metric Properties read from configuration Start Time :"+this.startTime+", Period :"+this.period);
  77
  78             }else if(properties.getProperty("schedule.policy.metric.period")==null && properties.getProperty("schedule.policy.metric.start.time")!=null){
  79                 this.startTime=getConfigStartTime("00:00:00",properties);
  80                 this.period=(24*60*60*1000l)-1;
  81                 logger.info("Metric Properties read from configuration Start Time :"+this.startTime+", Period :"+this.period);
  82
  83             }else{
  84                 logger.info("Metric Properties coming as null,setting to default Start Time :1 ms,Period : 100000 ms");
  85                 this.startTime = 1;
  86                 this.period = 100000;
  87                 logger.info("Metric Properties read from configuration Start Time :"+this.startTime+", Period :"+this.period);
  88
  89             }
  90         } else  {
  91             logger.info("Metric Properties coming as null,setting to default Start Time :1 ms,Period : 100000 ms");
  92             this.startTime = 1;
  93             this.period = 100000;
  94             logger.info("Metric Properties read from configuration Start Time :"+this.startTime+", Period :"+this.period);
  95         }
  96         this.publishers = publishers;
  97         this.metrics = metrics;
  98         this.scheduleExecutor= Executors.newSingleThreadScheduledExecutor(getThreadFactory(true));
  99     }
 100
 101     private long getConfigPeriod(Properties properties) {
 102         String period=properties.getProperty("schedule.policy.metric.period");
 103         logger.info("Metric period : " +period);
 104         long periodInMs=Integer.parseInt(period)*1000l;
 105         logger.info("Metric period in long : " +periodInMs);
 106         return periodInMs;
 107     }
 108
 109     private long getTimeInMs(String time) {
 110         String[] strings=time.split(":");
 111         if(strings.length==3) {
 112             long hour = Integer.parseInt(strings[0]) * 60 * 60 * 1000l;
 113             long min = Integer.parseInt(strings[1]) * 60 * 1000l;
 114             long sec = Integer.parseInt(strings[2]) * 1000l;
 115             return hour+min+sec;
 116         }else{
 117             return 0;
 118         }
 119
 120     }
 121
 122
 123
 124     private long getConfigStartTime(Properties properties) {
 125         String startTime=properties.getProperty("schedule.policy.metric.start.time");
 126         if(startTime!=null){
 127             long timeDiff=(getTimeInMs(startTime))-(getTimeInMs((new SimpleDateFormat("HH:mm:ss")).format(new Date())));
 128             long period=getConfigPeriod(properties);
 129             if(timeDiff>=0){
 130                 return timeDiff;
 131             }else{
 132                 return period-((timeDiff*-1)%period);
 133             }
 134         }
 135         return 0;
 136     }
 137
 138     private long getConfigStartTime(String startTime,Properties properties) {
 139         if(startTime!=null){
 140             long timeDiff=(getTimeInMs(startTime))-(getTimeInMs((new SimpleDateFormat("HH:mm:ss")).format(new Date())));
 141             long period=getConfigPeriod(properties);
 142             if(timeDiff>=0){
 143                 return timeDiff%period;
 144             }else{
 145                 return period-((timeDiff*-1)%period);
 146             }
 147         }
 148         return 0;
 149     }
 150     @Override
 151     public void onMetricChange(Metric metric) throws APPCException {
 152         //TODO
 153     }
 154
 155     @Override
 156     public Metric[] metrics() {
 157         return metrics;
 158     }
 159
 160     @Override
 161     public void init() {
 162         Properties properties=configuration.getProperties();
 163         boolean isMetricEnabled=false;
 164         if(properties!=null){
 165             String metricProperty=properties.getProperty("metric.enabled");
 166             if(metricProperty!=null){
 167                 isMetricEnabled=Boolean.valueOf(metricProperty);
 168             }
 169         }
 170         if(isMetricEnabled){
 171             logger.info("Metric Service is enabled, hence policies getting scheduled");
 172             for(final Publisher publisher:this.getPublishers()){
 173                 scheduleExecutor.scheduleWithFixedDelay(new Runnable()
 174                 {
 175                     public void run() {
 176                         try {
 177                             publisher.publish(metricRegistry, metrics);
 178                             reset();
 179                         } catch (RuntimeException ex) {
 180                             logger.error("RuntimeException thrown from {}#report. Exception was suppressed.", publisher.getClass().getSimpleName(), ex);
 181                         }
 182                     }
 183                 }
 184                         , startTime, period, TimeUnit.MILLISECONDS);
 185             }
 186         }else{
 187             logger.info("Metric Service is not enabled, hence policies not getting scheduled");
 188
 189         }
 190     }
 191
 192     @Override
 193     public long getStartTime() {
 194         return this.startTime;
 195     }
 196
 197     @Override
 198     public long getPeriod() {
 199         return this.period;
 200     }
 201
 202     @Override
 203     public Publisher[] getPublishers() {
 204         return this.publishers;
 205     }
 206
 207     @Override
 208     public void reset() {
 209         for(Metric metric:this.metrics){
 210             metric.reset();}
 211     }
 212
 213
 214     private  ThreadFactory getThreadFactory(final boolean isDaemon){
 215         return new ThreadFactory() {
 216             public Thread newThread(Runnable r) {
 217                 Thread t = Executors.defaultThreadFactory().newThread(r);
 218                 t.setDaemon(isDaemon);
 219                 return t;
 220             }
 221         };
 222     }
 223
 224 }