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/*-
* ============LICENSE_START=======================================================
* policy engine
* ================================================================================
* 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.onap.policy.drools.impl;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import java.util.Queue;
import org.onap.policy.appc.Request;
import org.onap.policy.appclcm.LCMRequestWrapper;
import org.onap.policy.controlloop.ControlLoopNotification;
import org.onap.policy.controlloop.util.Serialization;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.onap.policy.drools.PolicyEngine;
public class PolicyEngineJUnitImpl implements PolicyEngine {
private static final Logger logger = LoggerFactory.getLogger(PolicyEngineJUnitImpl.class);
private Map<String, Map<String, Queue<Object>>> busMap = new HashMap<String, Map<String, Queue<Object>>>();
@Override
public boolean deliver(String busType, String topic, Object obj) {
if (obj instanceof ControlLoopNotification) {
ControlLoopNotification notification = (ControlLoopNotification) obj;
//logger.debug("Notification: " + notification.notification + " " + (notification.message == null ? "" : notification.message) + " " + notification.history);
logger.debug(Serialization.gsonPretty.toJson(notification));
}
if (obj instanceof Request) {
Request request = (Request) obj;
logger.debug("Request: {} subrequst {}", request.Action, request.CommonHeader.SubRequestID);
}
else if (obj instanceof LCMRequestWrapper) {
LCMRequestWrapper dmaapRequest = (LCMRequestWrapper) obj;
logger.debug("Request: {} subrequest {}", dmaapRequest.getBody().getAction(), dmaapRequest.getBody().getCommonHeader().getSubRequestId());
}
//
// Does the bus exist?
//
if (busMap.containsKey(busType) == false) {
logger.debug("creating new bus type {}", busType);
//
// Create the bus
//
busMap.put(busType, new HashMap<>());
}
//
// Get the bus
//
Map<String, Queue<Object>> topicMap = busMap.get(busType);
//
// Does the topic exist?
//
if (topicMap.containsKey(topic) == false) {
logger.debug("creating new topic {}", topic);
//
// Create the topic
//
topicMap.put(topic, new LinkedList<>());
}
//
// Get the topic queue
//
logger.debug("queueing");
return topicMap.get(topic).add(obj);
}
public Object subscribe(String busType, String topic) {
//
// Does the bus exist?
//
if (busMap.containsKey(busType)) {
//
// Get the bus
//
Map<String, Queue<Object>> topicMap = busMap.get(busType);
//
// Does the topic exist?
//
if (topicMap.containsKey(topic)) {
logger.debug("The queue has {}", topicMap.get(topic).size());
return topicMap.get(topic).poll();
} else {
logger.error("No topic exists {}", topic);
}
} else {
logger.error("No bus exists {}", busType);
}
return null;
}
}
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