001/**
002 *
003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
004 *
005 * This library is free software; you can redistribute it and/or
006 * modify it under the terms of the GNU Lesser General Public
007 * License as published by the Free Software Foundation; either 
008 * version 2.1 of the License, or (at your option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013 * Lesser General Public License for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public 
016 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
017 * 
018 **/
019package lucee.runtime.functions.other;
020
021import java.util.Map;
022
023import lucee.commons.lang.StringUtil;
024import lucee.runtime.PageContext;
025import lucee.runtime.db.DataSource;
026import lucee.runtime.db.DataSourceSupport;
027
028
029public class DatasourceFlushMetaCache {
030
031    public synchronized static boolean call(PageContext pc) {
032        return call(pc, null);
033        }
034
035    public synchronized static boolean call(PageContext pc,String datasource) {
036        
037        DataSource[] sources = pc.getConfig().getDataSources();
038        DataSourceSupport ds;
039        boolean has=false;
040        for(int i=0;i<sources.length;i++){
041                ds=(DataSourceSupport) sources[i];
042                if(StringUtil.isEmpty(datasource) || ds.getName().equalsIgnoreCase(datasource.trim())){
043                        Map cache=ds.getProcedureColumnCache();
044                        if(cache!=null) cache.clear();
045                        if(!StringUtil.isEmpty(datasource))return true;
046                        has=true;
047                }
048        }
049        return has;
050        }
051
052}