/******************************************************************************
* Copyright (c) 2016 Oracle
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Konstantin Komissarchik - initial implementation and ongoing maintenance
******************************************************************************/
package org.eclipse.sapphire;
import org.eclipse.sapphire.services.DataService;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public abstract class EnablementService extends DataService<Boolean>
{
@Override
protected final void initDataService()
{
initEnablementService();
}
protected void initEnablementService()
{
}
public final boolean enablement()
{
final Boolean data = data();
return ( data == null ? true : data );
}
}