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/*-
* ================================================================================
* ECOMP Portal SDK
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property
* ================================================================================
* 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.
* ================================================================================
*/
package org.openecomp.portalsdk.core.onboarding.ueb;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.LinkedBlockingQueue;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* A thin wrapper around ConcurrentHashMap that stores a queue for each
* Requester that is waiting for a Reply. When a reply is received that has a
* matching msgId, that requesters queue is populated with the reply message.
*
* Primarily for the UebManager to track requests while it waits for responses.
*/
public class WaitingRequestersQueueList {
private final Log logger = LogFactory.getLog(getClass());
private final Map<String, LinkedBlockingQueue<UebMsg>> map;
public WaitingRequestersQueueList() {
map = new ConcurrentHashMap<>();
}
public void addQueueToMap(String msgId, LinkedBlockingQueue<UebMsg> queue) {
this.map.put(msgId, queue);
}
public void addMsg(String msgId, UebMsg message) {
LinkedBlockingQueue<UebMsg> queue = this.map.get(msgId);
if (queue != null) {
queue.add(message);
} else {
logger.warn("Did not find entry in WaitingRequestersQueueList for msgId " + msgId);
}
}
public void removeQueueFromMap(String msgId) {
this.map.remove(msgId);
}
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append("Map contains " + this.map.size() + " Publishers.");
for (Map.Entry<String, LinkedBlockingQueue<UebMsg>> entry : this.map.entrySet()) {
String key = entry.getKey().toString();
LinkedBlockingQueue<UebMsg> queue = entry.getValue();
sb.append("Entry msgId, " + key + " queue " + queue);
}
return sb.toString();
}
}
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