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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.service;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.ws.rs.core.Response.Status;
import org.apache.log4j.Logger;
import org.openecomp.dmaapbc.aaf.AafService;
import org.openecomp.dmaapbc.aaf.DmaapGrant;
import org.openecomp.dmaapbc.aaf.DmaapPerm;
import org.openecomp.dmaapbc.aaf.AafService.ServiceType;
import org.openecomp.dmaapbc.client.MrProvConnection;
import org.openecomp.dmaapbc.database.DatabaseClass;
import org.openecomp.dmaapbc.model.ApiError;
import org.openecomp.dmaapbc.model.MR_Client;
import org.openecomp.dmaapbc.model.MR_Cluster;
import org.openecomp.dmaapbc.model.Topic;
import org.openecomp.dmaapbc.model.DmaapObject.DmaapObject_Status;
public class MR_ClientService {
static final Logger logger = Logger.getLogger(MR_ClientService.class);
private Map<String, MR_Client> mr_clients = DatabaseClass.getMr_clients();
private Map<String, MR_Cluster> clusters = DatabaseClass.getMr_clusters();
private Map<String, Topic> topics = DatabaseClass.getTopics();
private DmaapService dmaap = new DmaapService();
public Map<String, MR_Client> getMR_Clients() {
return mr_clients;
}
public List<MR_Client> getAllMr_Clients() {
return new ArrayList<MR_Client>(mr_clients.values());
}
public ArrayList<MR_Client> getAllMrClients(String fqtn) {
ArrayList<MR_Client> results = new ArrayList<MR_Client>();
for (Map.Entry<String, MR_Client> entry : mr_clients.entrySet())
{
MR_Client client = entry.getValue();
if ( fqtn.equals(client.getFqtn() ) ) {
results.add( client );
}
}
return results;
}
public MR_Client getMr_Client( String key, ApiError apiError ) {
MR_Client c = mr_clients.get( key );
if ( c == null ) {
apiError.setCode(Status.NOT_FOUND.getStatusCode());
apiError.setFields( "mrClientId");
apiError.setMessage("mrClientId " + key + " not found" );
} else {
apiError.setCode(200);
}
return c;
}
public MR_Client addMr_Client( MR_Client client, Topic topic, ApiError err ) {
if ( client.getDcaeLocationName().isEmpty()) {
logger.error( "Client dcaeLocation that doesn't exist or not specified" );
return null;
}
MR_Cluster cluster = clusters.get( client.getDcaeLocationName());
if ( cluster != null ) {
client.setTopicURL(cluster.genTopicURL(client.getFqtn()));
AafService aaf = new AafService(ServiceType.AAF_TopicMgr);
String instance = ":topic." + client.getFqtn();
client.setStatus( DmaapObject_Status.VALID);
for( String want : client.getAction() ) {
int rc;
DmaapPerm perm = new DmaapPerm( dmaap.getTopicPerm(), instance, want );
DmaapGrant g = new DmaapGrant( perm, client.getClientRole() );
rc = aaf.addGrant( g );
if ( rc != 201 && rc != 409 ) {
client.setStatus( DmaapObject_Status.INVALID);
err.setCode(rc);
err.setMessage( "Grant of " + dmaap.getTopicPerm() + "|" + instance + "|" + want + " failed for " + client.getClientRole() );
logger.warn( err.getMessage());
return null;
}
}
logger.info( "cluster=" + cluster );
MrProvConnection prov = new MrProvConnection();
logger.info( "POST topic " + topic.getFqtn() + " to cluster " + cluster.getFqdn() + " in loc " + cluster.getDcaeLocationName());
if ( prov.makeTopicConnection(cluster)) {
String resp = prov.doPostTopic(topic);
logger.info( "response: " + resp );
if ( resp == null ) {
client.setStatus( DmaapObject_Status.INVALID);
}
}
} else {
logger.info( "Client references a dcaeLocation that doesn't exist:" + client.getDcaeLocationName());
client.setStatus( DmaapObject_Status.STAGED);
//return null;
}
mr_clients.put( client.getMrClientId(), client );
//TODO: this section on updating an existing topic with a new client needs to belong someplace else
//Topic t = topics.get(topic.getFqtn());
/*
int n;
ArrayList<MR_Client> tc = topic.getClients();
if ( tc == null ) {
n = 0;
tc = new ArrayList<MR_Client>();
} else {
n = tc.size();
}
logger.info( "number of existing clients for topic is " + n );
logger.info( "n=" + n + " tc=" + tc + " client=" + client );
tc.add( client );
topic.setClients(tc);
*/
topics.put(topic.getFqtn(), topic);
err.setCode(200);
return client;
}
public MR_Client updateMr_Client( MR_Client client, ApiError apiError ) {
MR_Client c = mr_clients.get( client.getMrClientId());
if ( c == null ) {
apiError.setCode(Status.NOT_FOUND.getStatusCode());
apiError.setFields( "mrClientId");
apiError.setMessage("mrClientId " + client.getMrClientId() + " not found" );
} else {
apiError.setCode(200);
}
mr_clients.put( client.getMrClientId(), client );
return client;
}
public MR_Client removeMr_Client( String key, ApiError apiError ) {
MR_Client c = mr_clients.get( key );
if ( c == null ) {
apiError.setCode(Status.NOT_FOUND.getStatusCode());
apiError.setFields( "mrClientId");
apiError.setMessage("mrClientId " + key + " not found" );
} else {
apiError.setCode(200);
}
return mr_clients.remove(key);
}
}
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