ExplorerNodesComparator.java

/*
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 *  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *  This code is free software; you can redistribute it and/or modify it
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 *  published by the Free Software Foundation.  Oracle designates this
 *  particular file as subject to the "Classpath" exception as provided
 *  by Oracle in the LICENSE file that accompanied this code.
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 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 *  version 2 for more details (a copy is included in the LICENSE file that
 *  accompanied this code).
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package com.sun.tools.visualvm.core.explorer;

import com.sun.tools.visualvm.core.datasource.DataSource;
import java.util.Comparator;

/**
 *
 * @author Jiri Sedlacek
 */
class ExplorerNodesComparator implements Comparator<ExplorerNode> {

    private final Comparator<DataSource> impl;

    
    ExplorerNodesComparator(Comparator<DataSource> impl) {
        this.impl = impl;
    }


    boolean uses(Comparator<DataSource> impl) {
        return this.impl == impl;
    }

    public int compare(ExplorerNode n1, ExplorerNode n2) {
        return impl.compare(n1.getUserObject(), n2.getUserObject());
    }

}