/*
* Copyright (c) 2012 Data Harmonisation Panel
*
* All rights reserved. This program and the accompanying materials are made
* available under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution. If not, see <http://www.gnu.org/licenses/>.
*
* Contributors:
* HUMBOLDT EU Integrated Project #030962
* Data Harmonisation Panel <http://www.dhpanel.eu>
*/
package eu.esdihumboldt.hale.ui.views.properties.entity;
import org.eclipse.jface.viewers.IFilter;
import eu.esdihumboldt.hale.common.align.model.EntityDefinition;
import eu.esdihumboldt.hale.common.align.model.transformation.tree.TransformationTreeUtil;
/**
* Filter base class for {@link EntityDefinition} filters.
*
* @author Simon Templer
*/
public abstract class AbstractEntityDefFilter implements IFilter {
/**
* Determine if an entity definition passes the filter.
*
* @param input the entity definition
* @return <code>true</code> if the entity definition is accepted,
* <code>false</code> otherwise
*/
public abstract boolean accept(EntityDefinition input);
/**
* @see IFilter#select(Object)
*/
@Override
public boolean select(Object input) {
input = TransformationTreeUtil.extractObject(input);
if (input instanceof EntityDefinition) {
return accept((EntityDefinition) input);
}
return false;
}
}