/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.hibernate.eclipse.console.common;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.hibernate.console.AbstractQueryPage;
import org.hibernate.console.ConsoleQueryParameter;
import org.hibernate.console.QueryInputModel;
import org.jboss.tools.hibernate.runtime.spi.IQuery;
import org.jboss.tools.hibernate.runtime.spi.IService;
import org.jboss.tools.hibernate.runtime.spi.ISession;
import org.jboss.tools.hibernate.runtime.spi.IType;
import org.jboss.tools.hibernate.runtime.spi.ITypeFactory;
public class HQLQueryPage extends AbstractQueryPage {
private IQuery query;
private String queryString;
public List<Object> getList() {
if (query==null) return Collections.emptyList();
if (list == null) {
try {
//list = query.list();
list = new ArrayList<Object>();
setupParameters(query, model);
long startTime = System.currentTimeMillis();
Iterator<?> iter = query.list().iterator(); // need to be user-controllable to toggle between iterate, scroll etc.
queryTime = System.currentTimeMillis() - startTime;
while (iter.hasNext() ) {
Object element = iter.next();
list.add(element);
}
pcs.firePropertyChange("list", null, list); //$NON-NLS-1$
}
catch (RuntimeException e) {
list = Collections.emptyList();
addException(e);
}
}
return list;
}
private void setupParameters(IQuery query2, QueryInputModel model) {
if(model.getMaxResults()!=null) {
query2.setMaxResults( model.getMaxResults().intValue() );
}
ConsoleQueryParameter[] qp = model.getQueryParameters();
for (int i = 0; i < qp.length; i++) {
ConsoleQueryParameter parameter = qp[i];
try {
int pos = Integer.parseInt(parameter.getName());
//FIXME no method to set positioned list value
query2.setParameter(
pos,
calcValue( parameter ),
getTypeFactory().getNamedType(parameter.getTypeName()));
} catch(NumberFormatException nfe) {
Object value = parameter.getValue();
if (value != null && value.getClass().isArray()){
Object[] values = (Object[])value;
query2.setParameterList(
parameter.getName(),
Arrays.asList(values),
getTypeFactory().getNamedType(parameter.getTypeName()));
} else {
query2.setParameter(
parameter.getName(),
calcValue( parameter ),
getTypeFactory().getNamedType(parameter.getTypeName()));
}
}
}
}
private Object calcValue(ConsoleQueryParameter parameter) {
return parameter.getValueForQuery();
}
private ITypeFactory typeFactory = null;
private ITypeFactory getTypeFactory() {
if (typeFactory == null) {
typeFactory = getService().newTypeFactory();
}
return typeFactory;
}
/**
* @param session
* @param string
* @param queryParameters
*/
public HQLQueryPage(HibernateExtension extension, String string, QueryInputModel model) {
super(extension, model);
queryString = string;
setTabName(getQueryString().replace('\n', ' ').replace('\r', ' ').replace('\t', ' '));
}
@Override
public void setSession(ISession s) {
super.setSession(s);
try {
query = ((ISession)this.getSession()).createQuery(getQueryString());
} catch (Exception e) {
addException( e );
}
}
/**
* @return
*/
public String getQueryString() {
return queryString; // cannot use query since it might be null because of an error!
}
public void setQueryString(String queryString) {
this.queryString = queryString;
list = null;
}
public List<String> getPathNames() {
List<String> l = Collections.emptyList();
try {
if(query==null) return l;
String[] returnAliases = null;
try {
returnAliases = query.getReturnAliases();
} catch(NullPointerException e) {
// ignore - http://opensource.atlassian.com/projects/hibernate/browse/HHH-2188
}
if(returnAliases==null) {
IType[] t;
try {
t = query.getReturnTypes();
} catch(NullPointerException npe) {
t = new IType[] { null };
// ignore - http://opensource.atlassian.com/projects/hibernate/browse/HHH-2188
}
l = new ArrayList<String>(t.length);
for (int i = 0; i < t.length; i++) {
IType type = t[i];
if(type==null) {
l.add("<multiple types>"); //$NON-NLS-1$
} else {
l.add(type.getName() );
}
}
} else {
String[] t = returnAliases;
l = new ArrayList<String>(t.length);
for (int i = 0; i < t.length; i++) {
l.add(t[i]);
}
}
} catch (RuntimeException he) {
addException(he);
}
return l;
}
public void release() {
if (((ISession)getSession()).isOpen() ) {
try {
((ISession)getSession()).close();
}
catch (RuntimeException e) {
exceptions.add(e);
}
}
}
private IService getService() {
return getHibernateExtension().getHibernateService();
}
}