ClusterNodeResponses.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.kernel.cluster;

import com.liferay.portal.kernel.concurrent.ConcurrentHashSet;

import java.io.Serializable;

import java.util.Map;
import java.util.Set;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.LinkedBlockingQueue;

/**
 * @author Michael C. Han
 */
public class ClusterNodeResponses implements Serializable {

	public ClusterNodeResponses(Set<String> expectedReplyNodeIds) {
		_expectedReplyNodeIds = new ConcurrentHashSet<>(expectedReplyNodeIds);
	}

	public boolean addClusterResponse(ClusterNodeResponse clusterNodeResponse) {
		ClusterNode clusterNode = clusterNodeResponse.getClusterNode();

		String clusterNodeId = clusterNode.getClusterNodeId();

		if (_expectedReplyNodeIds.remove(clusterNodeId)) {
			_clusterResponsesByClusterNode.put(
				clusterNodeId, clusterNodeResponse);

			_clusterResponsesQueue.offer(clusterNodeResponse);

			return true;
		}

		return false;
	}

	public ClusterNodeResponse getClusterResponse(String clusterNodeId) {
		return _clusterResponsesByClusterNode.get(clusterNodeId);
	}

	public BlockingQueue<ClusterNodeResponse> getClusterResponses() {
		return _clusterResponsesQueue;
	}

	public int size() {
		return _clusterResponsesByClusterNode.size();
	}

	private final Map<String, ClusterNodeResponse>
		_clusterResponsesByClusterNode = new ConcurrentHashMap<>();
	private final BlockingQueue<ClusterNodeResponse> _clusterResponsesQueue =
		new LinkedBlockingQueue<>();
	private final Set<String> _expectedReplyNodeIds;

}