/*
This file belongs to the Servoy development and deployment environment, Copyright (C) 1997-2010 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.j2db.component;
/**
* This interface is implemented by classes (e.g. visual components) that have special behavior depending on whether their content can be null or not. (e.g.
* their data provider is a non-null table column or not).
*
* @author acostescu
*/
public interface INullableAware
{
/**
* Specifies whether this object's underlying value's supports null or not.
*
* @param allowNull true if it allows null values and false otherwise.
*/
void setAllowNull(boolean allowNull);
boolean getAllowNull();
}