org.openscada.ae.ui.testing.views.EntryTimestampViewerComparator.java Source code

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Here is the source code for org.openscada.ae.ui.testing.views.EntryTimestampViewerComparator.java

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/*
 * This file is part of the OpenSCADA project
 * Copyright (C) 2006-2010 TH4 SYSTEMS GmbH (http://th4-systems.com)
 *
 * OpenSCADA is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenSCADA is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenSCADA. If not, see
 * <http://opensource.org/licenses/lgpl-3.0.html> for a copy of the LGPLv3 License.
 */

package org.openscada.ae.ui.testing.views;

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

final class EntryTimestampViewerComparator 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.getEntryTimestamp().compareTo(evt2.getEntryTimestamp());
    }
}