policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/internal/InlineUebTopicSink.java

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * policy-endpoints
   4  * ================================================================================
   5  * Copyright (C) 2017-2018 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.policy.drools.event.comm.bus.internal;
  22
  23 import java.util.List;
  24
  25 import org.onap.policy.drools.event.comm.Topic;
  26 import org.onap.policy.drools.event.comm.bus.UebTopicSink;
  27 import org.slf4j.LoggerFactory;
  28 import org.slf4j.Logger;
  29
  30 /**
  31  * This implementation publishes events for the associated UEB topic,
  32  * inline with the calling thread.
  33  */
  34 public class InlineUebTopicSink extends InlineBusTopicSink implements UebTopicSink {
  35
  36         /**
  37          * logger
  38          */
  39         private static Logger logger = LoggerFactory.getLogger(InlineUebTopicSink.class);
  40
  41         /**
  42          * Argument-based UEB Topic Writer instantiation
  43          *
  44          * @param servers list of UEB servers available for publishing
  45          * @param topic the topic to publish to
  46          * @param apiKey the api key (optional)
  47          * @param apiSecret the api secret (optional)
  48          * @param partitionId the partition key (optional, autogenerated if not provided)
  49          * @param useHttps does connection use HTTPS?
  50          * @param allowSelfSignedCerts are self-signed certificates allow
  51          *
  52          * @throws IllegalArgumentException if invalid arguments are detected
  53          */
  54         public InlineUebTopicSink(List<String> servers,
  55                                                                 String topic,
  56                                                 String apiKey,
  57                                                 String apiSecret,
  58                                                 String partitionId,
  59                                                 boolean useHttps,
  60                                                 boolean allowSelfSignedCerts) {
  61                 super(servers, topic, apiKey, apiSecret, partitionId, useHttps, allowSelfSignedCerts);
  62         }
  63
  64         /**
  65          * Instantiation of internal resources
  66          */
  67         @Override
  68         public void init() {
  69
  70                 this.publisher =
  71                                 new BusPublisher.CambriaPublisherWrapper(this.servers,
  72                                                                                  this.topic,
  73                                                                                  this.apiKey,
  74                                                                                  this.apiSecret,
  75                                                                                  this.useHttps);
  76                 logger.info("{}: UEB SINK created", this);
  77         }
  78
  79         @Override
  80         public String toString() {
  81                 StringBuilder builder = new StringBuilder();
  82                 builder.append("InlineUebTopicSink [getTopicCommInfrastructure()=").append(getTopicCommInfrastructure())
  83                                 .append(", toString()=").append(super.toString()).append("]");
  84                 return builder.toString();
  85         }
  86
  87         /**
  88          * {@inheritDoc}
  89          */
  90         @Override
  91         public CommInfrastructure getTopicCommInfrastructure() {
  92                 return Topic.CommInfrastructure.UEB;
  93         }
  94 }