/*******************************************************************************
 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
 * in Industry THTH ry.
 * 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:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.browsing.ui.graph.contributor.labeler;

import org.simantics.browsing.ui.content.LabelDecorator;
import org.simantics.browsing.ui.graph.impl.contributor.labeler.LabelDecoratorContributorImpl;
import org.simantics.db.ReadGraph;
import org.simantics.db.exception.DatabaseException;

public abstract class LabelDecoratorContributor<T> extends LabelDecoratorContributorImpl<T> {

    /**
     * @see org.simantics.browsing.ui.graph.impl.contributor.labeler.LabelDecoratorContributorImpl#getDecorator(org.simantics.db.ReadGraph,
     *      java.lang.Object)
     * @return null if no decoration is needed after all
     */
    @Override
    public abstract LabelDecorator getDecorator(ReadGraph graph, T input) throws DatabaseException;

}