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/*******************************************************************************
* Copyright 2016-2017 ZTE, Inc. and others.
*
* 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.onap.msb.apiroute.wrapper.queue;
import java.util.List;
import org.apache.http.HttpEntity;
import org.onap.msb.apiroute.wrapper.consulextend.model.health.ServiceHealth;
import org.onap.msb.apiroute.wrapper.util.RouteUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class QueueManager {
private static final Logger LOGGER = LoggerFactory.getLogger(QueueManager.class);
private final BaseQueue<HttpEntity> serviceListQueue;
private final BaseQueue<List<ServiceHealth>> serviceQueue;
private volatile static QueueManager instance = null;
public static QueueManager getInstance() {
if (instance == null) {
synchronized (QueueManager.class) {
if (instance == null) {
instance = new QueueManager();
}
}
}
return instance;
}
private QueueManager() {
serviceListQueue = new ServiceListQueue(RouteUtil.SERVICE_LIST_QUEUE_CAPACITY);
serviceQueue = new ServiceQueue(RouteUtil.SERVICE_DATA_QUEUE_NUM, RouteUtil.SERVICE_QUEUE_CAPACITY);
}
public ServiceData<HttpEntity> takeFromServiceListQueue(int queueIndex) throws InterruptedException {
return serviceListQueue.take(queueIndex);
}
public ServiceData<List<ServiceHealth>> takeFromServiceQueue(int queueIndex) throws InterruptedException {
return serviceQueue.take(queueIndex);
}
@SuppressWarnings("unchecked")
public <T> void putIn(ServiceData<T> data) throws InterruptedException {
if (data.getDataType() == ServiceData.DataType.service_list) {
LOGGER.debug("putIn service_list queue success");
serviceListQueue.put((ServiceData<HttpEntity>) data);
} else if (data.getDataType() == ServiceData.DataType.service) {
serviceQueue.put((ServiceData<List<ServiceHealth>>) data);
} else {
LOGGER.warn("DATA TYPE NOT SUPPORT:" + data.getDataType());
}
}
}
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