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/*
* Copyright 2017 BOCO Corporation. CMCC Technologies Co., Ltd
*
* 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.vfc.nfvo.emsdriver.messagemgr;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
public class MessageChannel {
private BlockingQueue<Object> queue = null;
public MessageChannel(int size) {
if (size > 0) {
queue = new LinkedBlockingQueue<Object>(size);
} else {
queue = new LinkedBlockingQueue<Object>();
}
}
public MessageChannel() {
queue = new LinkedBlockingQueue<Object>();
}
public void put(Object msg) throws InterruptedException {
while (!queue.offer(msg)) {
queue.poll();
}
}
public Object get() throws InterruptedException {
return queue.take();
}
public Object poll() throws InterruptedException {
return queue.poll(100, TimeUnit.MILLISECONDS);
}
public int size() {
return queue.size();
}
public void clear() {
queue.clear();
}
public BlockingQueue<Object> getQueue() {
return queue;
}
}
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