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/*-
* ============LICENSE_START=======================================================
* OpenECOMP - org.openecomp.dmaapbc
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.openecomp.dmaapbc.model;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Set;
import org.apache.log4j.Logger;
import org.openecomp.dmaapbc.service.MirrorMakerService;
public class MirrorMaker extends DmaapObject {
static final Logger logger = Logger.getLogger(MirrorMaker.class);
private String sourceCluster;
private String targetCluster;
private String mmName;
private ArrayList<String> topics; //re-using this var name for backwards DB compatibility
private Set<ReplicationVector> vectors;
public MirrorMaker(){
}
public MirrorMaker(String source, String target) {
sourceCluster = source;
targetCluster = target;
mmName = genKey(source, target);
vectors = new HashSet<ReplicationVector>();
topics = new ArrayList<String>();
}
public String getMmName() {
return mmName;
}
public void setMmName(String mmName) {
this.mmName = mmName;
}
public void addVector( String fqtn, String source, String target ) {
logger.info( "addVector: fqtn=" + fqtn + " source=" + source + " target=" + target );
if ( ! sourceCluster.equals( source ) ){
logger.error( "trying to add edge from source " + source + " into Map belonging to " + sourceCluster );
}
vectors.add(new ReplicationVector( fqtn, source, target ));
}
public void delVector( String fqtn, String source, String target ) {
vectors.remove(new ReplicationVector( fqtn, source, target));
}
public String toJSON() {
StringBuilder str = new StringBuilder( "{ \"source\": " + sourceCluster + ",\"topics\": [" );
int numTargets = 0;
for (ReplicationVector rv: vectors) {
if ( numTargets > 0 ) {
str.append( ",");
}
str.append( " \"target\": " + rv.getTargetCluster() + ", \"topic\": " + rv.getFqtn());
numTargets++;
}
str.append( "] }" );
return str.toString();
}
// returns the JSON for MM message containing which Topics to replicate
/*
* example:
*
{
"messageID":"12349",
"updateWhiteList":
{
"name":"Global1ToGlobal3",
"whitelist":"org.openecomp.dcae.topic1,org.openecomp.dcae.topic2"
}
}
*/
public String updateWhiteList() {
StringBuilder str = new StringBuilder( "{ \"messageID\": \"" + MirrorMakerService.genTransactionId() + "\", \"updateWhiteList\": {" );
str.append( " \"name\": \"" + this.getMmName() + "\", \"whitelist\": \"" );
int numTargets = 0;
//for (ReplicationVector rv: vectors) {
for (String rv: topics) {
if ( numTargets > 0 ) {
str.append( ",");
}
//str.append( rv.getFqtn() );
str.append( rv );
numTargets++;
}
str.append( "\" } }" );
return str.toString();
}
// returns the JSON for MM message indicating that a MM agent is needed between two clusters
// example:
/*
*
{
"messageID":"12345"
"createMirrorMaker":
{
"name":"Global1ToGlobal2",
"consumer":"192.168.0.1:2181",
"producer":"192.168.0.2:9092"
}
}
*/
public String createMirrorMaker() {
StringBuilder str = new StringBuilder( "{ \"messageID\": \"" + MirrorMakerService.genTransactionId() + "\", \"createMirrorMaker\": {" );
str.append( " \"name\": \"" + this.getMmName() + "\", " );
str.append( " \"consumer\": \"" + this.sourceCluster + ":2181\", " );
str.append( " \"producer\": \"" + this.targetCluster + ":9092\" ");
str.append( " } }" );
return str.toString();
}
public String getSourceCluster() {
return sourceCluster;
}
public void setSourceCluster(String sourceCluster) {
this.sourceCluster = sourceCluster;
}
public String getTargetCluster() {
return targetCluster;
}
public void setTargetCluster(String targetCluster) {
this.targetCluster = targetCluster;
}
public Set<ReplicationVector> getVectors() {
return vectors;
}
public void setVectors(Set<ReplicationVector> vectors) {
this.vectors = vectors;
}
public ArrayList<String> getTopics() {
return topics;
}
//public void setVectors(Set<ReplicationVector> vectors) {
public void setTopics(ArrayList<String> topics) {
this.topics = topics;
}
public static String genKey( String s, String t) {
StringBuilder str = new StringBuilder();
str.append(s);
str.append("-To-");
str.append(t);
return str.toString();
}
public void addTopic( String topic ) {
topics.add(topic);
}
public int getTopicCount() {
return topics.size();
}
}
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