/**
* SpagoBI - The Business Intelligence Free Platform
*
* Copyright (C) 2004 - 2008 Engineering Ingegneria Informatica S.p.A.
*
* 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.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
**/
package it.eng.spagobi.engines.qbe.services.core.catalogue;
import it.eng.qbe.query.Query;
import it.eng.qbe.statement.IStatement;
import it.eng.spago.base.SourceBean;
import it.eng.spagobi.engines.qbe.services.core.AbstractQbeEngineAction;
import it.eng.spagobi.utilities.engines.SpagoBIEngineServiceException;
import it.eng.spagobi.utilities.engines.SpagoBIEngineServiceExceptionHandler;
import it.eng.spagobi.utilities.service.JSONAcknowledge;
import java.io.IOException;
import java.util.Iterator;
import java.util.Set;
import org.apache.log4j.Logger;
/**
* This action validate queries stored in current catalogues.
* It actually executes the query .
*/
public class ValidateCatalogueAction extends AbstractQbeEngineAction {
public static final String SERVICE_NAME = "VALIDATE_CATALOGUE_ACTION";
public String getActionName(){return SERVICE_NAME;}
// INPUT PARAMETERS
// no input
public static transient Logger logger = Logger.getLogger(ValidateCatalogueAction.class);
public void service(SourceBean request, SourceBean response) {
Query query;
IStatement statement;
boolean validationResult = false;
String jpaQueryStr;
String sqlQueryStr;
logger.debug("IN");
try {
super.service(request, response);
Set queries = getEngineInstance().getQueryCatalogue().getAllQueries(false);
logger.debug("Query catalogue contains [" + queries.size() + "] first-class query");
Iterator it = queries.iterator();
while(it.hasNext()) {
query = (Query)it.next();
logger.debug("Validating query [" + query.getName() +"] ...");
statement = getEngineInstance().getDataSource().createStatement( query );
statement.setParameters( getEnv() );
jpaQueryStr = statement.getQueryString();
//sqlQueryStr = statement.getSqlQueryString();
logger.debug("Validating query (HQL/JPQL): [" + jpaQueryStr+ "]");
//logger.debug("Validating query (SQL): [" + sqlQueryStr + "]");
try {
//statement.execute(0, 1, 1, true);
logger.debug("Query [" + query.getName() + "] validated sucesfully");
} catch (Throwable t) {
logger.debug("Query [" + query.getName() + "] is not valid");
throw new SpagoBIEngineServiceException(getActionName(), "Query [" + query.getName() + "] is not valid", t);
}
}
try {
writeBackToClient( new JSONAcknowledge() );
} catch (IOException e) {
String message = "Impossible to write back the responce to the client";
throw new SpagoBIEngineServiceException(getActionName(), message, e);
}
} catch(Throwable t) {
throw SpagoBIEngineServiceExceptionHandler.getInstance().getWrappedException(getActionName(), getEngineInstance(), t);
} finally {
logger.debug("OUT");
}
}
}