001    /**
002     * Copyright (c) 2000-2012 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.dao.shard.advice;
016    
017    import com.liferay.portal.NoSuchCompanyException;
018    import com.liferay.portal.kernel.log.Log;
019    import com.liferay.portal.kernel.log.LogFactoryUtil;
020    import com.liferay.portal.model.Company;
021    import com.liferay.portal.model.Shard;
022    import com.liferay.portal.service.CompanyLocalServiceUtil;
023    import com.liferay.portal.service.ShardLocalServiceUtil;
024    import com.liferay.portal.util.PropsValues;
025    
026    import java.lang.reflect.Method;
027    
028    import org.aopalliance.intercept.MethodInterceptor;
029    import org.aopalliance.intercept.MethodInvocation;
030    
031    /**
032     * @author Michael Young
033     * @author Alexander Chow
034     * @author Shuyang Zhou
035     */
036    public class ShardCompanyAdvice implements MethodInterceptor {
037    
038            public Object invoke(MethodInvocation methodInvocation) throws Throwable {
039                    Method method = methodInvocation.getMethod();
040                    String methodName = method.getName();
041    
042                    Object[] arguments = methodInvocation.getArguments();
043    
044                    String shardName = PropsValues.SHARD_DEFAULT_NAME;
045    
046                    if (methodName.equals("addCompany")) {
047                            String webId = (String)arguments[0];
048                            String virtualHostname = (String)arguments[1];
049                            String mx = (String)arguments[2];
050                            shardName = (String)arguments[3];
051    
052                            shardName = _shardAdvice.getCompanyShardName(
053                                    webId, virtualHostname, mx, shardName);
054    
055                            arguments[3] = shardName;
056                    }
057                    else if (methodName.equals("checkCompany")) {
058                            String webId = (String)arguments[0];
059    
060                            if (!webId.equals(PropsValues.COMPANY_DEFAULT_WEB_ID)) {
061                                    if (arguments.length == 3) {
062                                            String mx = (String)arguments[1];
063                                            shardName = (String)arguments[2];
064    
065                                            shardName = _shardAdvice.getCompanyShardName(
066                                                    webId, null, mx, shardName);
067    
068                                            arguments[2] = shardName;
069                                    }
070    
071                                    try {
072                                            Company company = CompanyLocalServiceUtil.getCompanyByWebId(
073                                                    webId);
074    
075                                            shardName = company.getShardName();
076                                    }
077                                    catch (NoSuchCompanyException nsce) {
078                                    }
079                            }
080                    }
081                    else if (methodName.startsWith("update")) {
082                            long companyId = (Long)arguments[0];
083    
084                            Shard shard = ShardLocalServiceUtil.getShard(
085                                    Company.class.getName(), companyId);
086    
087                            shardName = shard.getName();
088                    }
089                    else {
090                            return methodInvocation.proceed();
091                    }
092    
093                    if (_log.isInfoEnabled()) {
094                            _log.info(
095                                    "Setting company service to shard " + shardName + " for " +
096                                            methodInvocation.toString());
097                    }
098    
099                    Object returnValue = null;
100    
101                    _shardAdvice.pushCompanyService(shardName);
102    
103                    try {
104                            returnValue = method.invoke(methodInvocation.getThis(), arguments);
105                    }
106                    finally {
107                            _shardAdvice.popCompanyService();
108                    }
109    
110                    return returnValue;
111            }
112    
113            public void setShardAdvice(ShardAdvice shardAdvice) {
114                    _shardAdvice = shardAdvice;
115            }
116    
117            private static Log _log = LogFactoryUtil.getLog(ShardCompanyAdvice.class);
118    
119            private ShardAdvice _shardAdvice;
120    
121    }