src/main/java/org/onap/dmaap/dbcapi/model/MirrorMaker.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * org.onap.dmaap
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.dmaap.dbcapi.model;
  22
  23 import java.util.ArrayList;
  24 import java.util.HashSet;
  25 import java.util.Set;
  26
  27 import org.apache.log4j.Logger;
  28 import org.onap.dmaap.dbcapi.logging.DmaapbcLogMessageEnum;
  29 import org.onap.dmaap.dbcapi.service.MirrorMakerService;
  30
  31 public class MirrorMaker extends DmaapObject {
  32         static final Logger logger = Logger.getLogger(MirrorMaker.class);
  33
  34         private String  sourceCluster;
  35         private String  targetCluster;
  36         private String  mmName;
  37         private ArrayList<String> topics;  //re-using this var name for backwards DB compatibility
  38
  39
  40
  41         public MirrorMaker(){
  42
  43         }
  44
  45         public MirrorMaker(String source, String target) {
  46                 sourceCluster = source;
  47                 targetCluster = target;
  48                 mmName = genKey(source, target);
  49                 topics = new ArrayList<String>();
  50
  51         }
  52
  53         public String getMmName() {
  54                 return mmName;
  55         }
  56
  57         public void setMmName(String mmName) {
  58                 this.mmName = mmName;
  59         }
  60
  61
  62         // returns the JSON for MM message containing which Topics to replicate
  63         /*
  64          * example:
  65          *
  66                         {
  67                             "messageID":"12349",
  68                             "updateWhiteList":
  69                                 {
  70                                     "name":"Global1ToGlobal3",
  71                                     "whitelist":"org.openecomp.dcae.topic1,org.openecomp.dcae.topic2"
  72                                 }
  73                         }
  74          */
  75         public String updateWhiteList() {
  76                 StringBuilder str = new StringBuilder( "{ \"messageID\": \"" + MirrorMakerService.genTransactionId() + "\", \"updateWhiteList\": {"  );
  77                 str.append( " \"name\": \"" + this.getMmName() + "\", \"whitelist\": \"" );
  78                 int numTargets = 0;
  79
  80                 //for (ReplicationVector rv: vectors) {
  81                 for (String rv: topics) {
  82                         if ( numTargets > 0 ) {
  83                                 str.append( ",");
  84                         }
  85                         //str.append(  rv.getFqtn() );
  86                         str.append( rv );
  87                         numTargets++;
  88                 }
  89                 str.append( "\" } }" );
  90
  91                 return str.toString();
  92         }
  93
  94         // returns the JSON for MM message indicating that a MM agent is needed between two clusters
  95         // example:
  96         /*
  97          *
  98                         {
  99                             "messageID":"12345"
 100                             "createMirrorMaker":
 101                                 {
 102                                     "name":"Global1ToGlobal2",
 103                                     "consumer":"192.168.0.1:2181",
 104                                     "producer":"192.168.0.2:9092"
 105                                 }
 106                         }
 107          */
 108         public String createMirrorMaker( String consumerPort, String producerPort ) {
 109                 StringBuilder str = new StringBuilder( "{ \"messageID\": \"" + MirrorMakerService.genTransactionId() + "\", \"createMirrorMaker\": {"  );
 110                 str.append( " \"name\": \"" + this.getMmName() + "\", " );
 111                 str.append( " \"consumer\": \"" + this.sourceCluster + ":" + consumerPort + "\", " );
 112                 str.append( " \"producer\": \"" + this.targetCluster + ":" + producerPort + "\" ");
 113
 114                 str.append( " } }" );
 115
 116                 return str.toString();
 117         }
 118
 119
 120         public String getSourceCluster() {
 121                 return sourceCluster;
 122         }
 123
 124         public void setSourceCluster(String sourceCluster) {
 125                 this.sourceCluster = sourceCluster;
 126         }
 127
 128         public String getTargetCluster() {
 129                 return targetCluster;
 130         }
 131
 132         public void setTargetCluster(String targetCluster) {
 133                 this.targetCluster = targetCluster;
 134         }
 135
 136
 137         public ArrayList<String> getTopics() {
 138                 return topics;
 139         }
 140
 141
 142         public void setTopics(ArrayList<String> topics) {
 143                 this.topics = topics;
 144         }
 145
 146
 147         public static String genKey( String s, String t) {
 148                 StringBuilder str = new StringBuilder();
 149                 str.append(s);
 150                 str.append("-To-");
 151                 str.append(t);
 152                 return str.toString();
 153         }
 154
 155
 156
 157         public void addTopic( String topic ) {
 158                 if ( ! topics.contains(topic)) {
 159                         topics.add(topic);
 160                 }
 161                 logger.info( "Mirrormaker.addTopic: topic=" + topic + " . Now have " + topics.size() + " topics" );
 162         }
 163
 164         public int getTopicCount() {
 165                 return topics.size();
 166         }
 167 }