MarkerUpdaterJob.java

/*******************************************************************************
 * Copyright (c) 2010-2012, Zoltan Ujhelyi, Abel Hegedus, Tamas Szabo, Istvan Rath and Daniel Varro
 * 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:
 *   Zoltan Ujhelyi, Abel Hegedus, Tamas Szabo - initial API and implementation
 *******************************************************************************/

package org.eclipse.incquery.validation.runtime;

import org.apache.log4j.Logger;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.incquery.databinding.runtime.adapter.DatabindingAdapterUtil;
import org.eclipse.incquery.runtime.api.IMatchProcessor;
import org.eclipse.incquery.runtime.api.IPatternMatch;

/**
 * The job is used to update a problem marker in the Problems View of Eclipse. It is associated to the rule that is
 * created for the constraint.
 * 
 * @author Tamas Szabo
 * 
 */
public class MarkerUpdaterJob implements IMatchProcessor<IPatternMatch> {

    private Constraint<IPatternMatch> constraint;
    private Logger logger;
    private ConstraintAdapter adapter;

    public MarkerUpdaterJob(ConstraintAdapter adapter, Constraint<IPatternMatch> constraint, Logger logger) {
        this.constraint = constraint;
        this.logger = logger;
        this.adapter = adapter;
    }

    @Override
    public void process(IPatternMatch match) {
        IMarker marker = adapter.getMarker(match);
        if (marker != null) {
            try {
                marker.setAttribute(IMarker.MESSAGE, DatabindingAdapterUtil.getMessage(match, constraint.getMessage()));
            } catch (CoreException e) {
                logger.error("Error during marker update!", e);
            }
        }
    }
}