/******************************************************************************
* 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.services.internal;
import java.util.SortedSet;
import org.eclipse.sapphire.LocalizableText;
import org.eclipse.sapphire.PropertyDef;
import org.eclipse.sapphire.Text;
import org.eclipse.sapphire.modeling.annotations.ReadOnly;
import org.eclipse.sapphire.services.FactsService;
import org.eclipse.sapphire.services.ServiceCondition;
import org.eclipse.sapphire.services.ServiceContext;
/**
* Creates fact statements about property's read-only state by using semantical information
* specified by @ReadOnly annotation.
*
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public final class ReadOnlyPropertyFactsService extends FactsService
{
@Text( "Cannot be modified" )
private static LocalizableText statement;
static
{
LocalizableText.init( ReadOnlyPropertyFactsService.class );
}
@Override
protected void facts( final SortedSet<String> facts )
{
facts.add( statement.text() );
}
public static final class Condition extends ServiceCondition
{
@Override
public boolean applicable( final ServiceContext context )
{
return context.find( PropertyDef.class ).hasAnnotation( ReadOnly.class );
}
}
}