org.eclipse.m2m.atl.profiler.ui.profilingdatatable.MemoryComparator.java Source code

Introduction

Here is the source code for org.eclipse.m2m.atl.profiler.ui.profilingdatatable.MemoryComparator.java

Source

/*******************************************************************************
 * Copyright (c) 2008,2009 Communication & Systems.
 *
 * 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:
 *    Arnaud Giuliani - initial API and implementation
 *    Obeo - tree sorting correction
 *******************************************************************************/
package org.eclipse.m2m.atl.profiler.ui.profilingdatatable;

import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.m2m.atl.profiler.core.util.ProfilingModelUtils;
import org.eclipse.m2m.atl.profiler.model.ATLOperation;
import org.eclipse.m2m.atl.profiler.model.ProfilingOperation;

/**
 * A comparator for memory.
 * 
 * @author <a href="mailto:arnaud.giuliani@c-s.fr">Arnaud Giuliani</a>
 * @author <a href="mailto:thierry.fortin@obeo.fr">Thierry Fortin</a>
 */
public class MemoryComparator extends ViewerComparator {

    private ColumnType col;
    private boolean asc;

    /**
     * Creates a new memory comparator.
     * 
     * @param c
     *            the column type
     */
    public MemoryComparator(ColumnType c) {
        super();
        col = c;
        this.asc = true;
    }

    /**
     * Creates a new memory comparator.
     * 
     * @param c
     *            the column type
     * @param asc for ascendant or descendant sorting
     */
    public MemoryComparator(ColumnType c, boolean asc) {
        super();
        col = c;
        this.asc = asc;
    }

    /**
     * The columns possible types.
     */
    public static enum ColumnType {
        /** In memory. */
        InMem,
        /** Max memory. */
        MaxMem,
        /** Out memory. */
        OutMem
    };

    /**
     * {@inheritDoc}
     * 
     * @see org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface.viewers.Viewer,
     *      java.lang.Object, java.lang.Object)
     */
    @Override
    public int compare(Viewer viewer, Object e1, Object e2) {
        long iop1 = 0;
        long iop2 = 0;
        if (col == ColumnType.InMem) {
            if (e1 instanceof ATLOperation) {
                ATLOperation op1 = (ATLOperation) e1;
                ATLOperation op2 = (ATLOperation) e2;

                // min in
                iop1 = ProfilingModelUtils.getMinInMemoryUsage(op1);
                iop2 = ProfilingModelUtils.getMinInMemoryUsage(op2);
            } else if (e1 instanceof ProfilingOperation) {
                ProfilingOperation pop1 = (ProfilingOperation) e1;
                ProfilingOperation pop2 = (ProfilingOperation) e2;

                iop1 = pop1.getLaunchedMemoryUsage();
                iop2 = pop2.getLaunchedMemoryUsage();
            }
        } else if (col == ColumnType.MaxMem) {
            if (e1 instanceof ATLOperation) {
                ATLOperation op1 = (ATLOperation) e1;
                ATLOperation op2 = (ATLOperation) e2;

                // max max
                iop1 = ProfilingModelUtils.getMaxMaxMemoryUsage(op1);
                iop2 = ProfilingModelUtils.getMaxMaxMemoryUsage(op2);
            } else if (e1 instanceof ProfilingOperation) {
                ProfilingOperation pop1 = (ProfilingOperation) e1;
                ProfilingOperation pop2 = (ProfilingOperation) e2;

                iop1 = pop1.getMaxMemoryUsage();
                iop2 = pop2.getMaxMemoryUsage();
            }
        } else if (col == ColumnType.OutMem) {
            if (e1 instanceof ATLOperation) {
                ATLOperation op1 = (ATLOperation) e1;
                ATLOperation op2 = (ATLOperation) e2;

                // max max
                iop1 = ProfilingModelUtils.getMaxOutMemoryUsage(op1);
                iop2 = ProfilingModelUtils.getMaxOutMemoryUsage(op2);
            } else if (e1 instanceof ProfilingOperation) {
                ProfilingOperation pop1 = (ProfilingOperation) e1;
                ProfilingOperation pop2 = (ProfilingOperation) e2;

                iop1 = pop1.getEndMemoryUsage();
                iop2 = pop2.getEndMemoryUsage();
            }
        }
        if (asc)
            return (int) (iop1 - iop2);
        else
            return (int) (iop2 - iop1);
    }

    public ColumnType getCol() {
        return col;
    }

    public void setCol(ColumnType col) {
        this.col = col;
    }
}