001 /** 002 * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved. 003 * 004 * The contents of this file are subject to the terms of the Liferay Enterprise 005 * Subscription License ("License"). You may not use this file except in 006 * compliance with the License. You can obtain a copy of the License by 007 * contacting Liferay, Inc. See the License for the specific language governing 008 * permissions and limitations under the License, including but not limited to 009 * distribution rights of the Software. 010 * 011 * 012 * 013 */ 014 015 package com.liferay.portal.kernel.dao.shard; 016 017 import java.util.concurrent.Callable; 018 019 /** 020 * @author Alexander Chow 021 */ 022 public abstract class ShardCallable<V> implements Callable<V> { 023 024 public ShardCallable(long companyId) { 025 _companyId = companyId; 026 } 027 028 @Override 029 public V call() throws Exception { 030 ShardUtil.pushCompanyService(_companyId); 031 032 try { 033 return doCall(); 034 } 035 finally { 036 ShardUtil.popCompanyService(); 037 } 038 } 039 040 protected abstract V doCall() throws Exception; 041 042 private long _companyId; 043 044 }