org.eclipse.scada.ae.ui.testing.views.SourceTimestampViewerComparator.java Source code

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Here is the source code for org.eclipse.scada.ae.ui.testing.views.SourceTimestampViewerComparator.java

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/*******************************************************************************
 * Copyright (c) 2009, 2013 TH4 SYSTEMS GmbH and others.
 * 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:
 *     TH4 SYSTEMS GmbH - initial API and implementation
 *******************************************************************************/
package org.eclipse.scada.ae.ui.testing.views;

import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.scada.ae.Event;

final class SourceTimestampViewerComparator extends ViewerComparator {
    @Override
    public int compare(final Viewer viewer, final Object e1, final Object e2) {
        if (!(e1 instanceof Event) || !(e2 instanceof Event)) {
            return -super.compare(viewer, e1, e2);
        }
        final Event evt1 = (Event) e1;
        final Event evt2 = (Event) e2;

        return -evt1.getSourceTimestamp().compareTo(evt2.getSourceTimestamp());
    }
}