/*
This file belongs to the Servoy development and deployment environment, Copyright (C) 1997-2013 Servoy BV
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Affero General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at your option) any
later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along
with this program; if not, see http://www.gnu.org/licenses or write to the Free
Software Foundation,Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
*/
package com.servoy.base.query;
import java.util.ArrayList;
import java.util.List;
/**
* And-condition for mobile and regular clients.
*
* @author rgansevles
*
*/
public class BaseAndCondition extends BaseAndOrCondition<IBaseSQLCondition>
{
public BaseAndCondition()
{
}
public BaseAndCondition(List<IBaseSQLCondition> conditions)
{
super(conditions);
}
@Override
public String getInfix()
{
return "and"; //$NON-NLS-1$
}
@Override
public IBaseSQLCondition negate()
{
// apply De Morgan's laws
List<IBaseSQLCondition> nconditions = new ArrayList<IBaseSQLCondition>(conditions.size());
for (int i = 0; i < conditions.size(); i++)
{
nconditions.add(conditions.get(i).negate());
}
return new BaseOrCondition(nconditions);
}
/**
* Combine 2 conditions in an AndCondition.
* @param c1
* @param c2
* @return
*/
public static IBaseSQLCondition and(IBaseSQLCondition c1, IBaseSQLCondition c2)
{
if (c1 == null)
{
return c2;
}
if (c2 == null)
{
return c1;
}
BaseAndCondition and = new BaseAndCondition();
and.addCondition(c1);
and.addCondition(c2);
return and;
}
}