001 /** 002 * Copyright (c) 2000-present Liferay, Inc. All rights reserved. 003 * 004 * This library is free software; you can redistribute it and/or modify it under 005 * the terms of the GNU Lesser General Public License as published by the Free 006 * Software Foundation; either version 2.1 of the License, or (at your option) 007 * any later version. 008 * 009 * This library is distributed in the hope that it will be useful, but WITHOUT 010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 011 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 012 * details. 013 */ 014 015 package com.liferay.portal.cache.cluster.clusterlink; 016 017 import com.liferay.portal.kernel.cache.cluster.PortalCacheClusterEvent; 018 019 import java.util.Set; 020 021 /** 022 * @author Tina Tian 023 */ 024 public interface PortalCacheClusterEventQueue { 025 026 public long coalescedCount(); 027 028 public int pendingCount(); 029 030 public void put(PortalCacheClusterEvent portalCacheClusterEvent) 031 throws InterruptedException; 032 033 public PortalCacheClusterEvent take() throws InterruptedException; 034 035 public Set<PortalCacheClusterEvent> takeSnapshot(); 036 037 }