001    /*
002     * Copyright (C) 2008-2010 by Holger Arndt
003     *
004     * This file is part of the Universal Java Matrix Package (UJMP).
005     * See the NOTICE file distributed with this work for additional
006     * information regarding copyright ownership and licensing.
007     *
008     * UJMP is free software; you can redistribute it and/or modify
009     * it under the terms of the GNU Lesser General Public License as
010     * published by the Free Software Foundation; either version 2
011     * of the License, or (at your option) any later version.
012     *
013     * UJMP is distributed in the hope that it will be useful,
014     * but WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
016     * GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public
019     * License along with UJMP; if not, write to the
020     * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
021     * Boston, MA  02110-1301  USA
022     */
023    
024    package org.ujmp.core.shortmatrix.calculation;
025    
026    import org.ujmp.core.Coordinates;
027    import org.ujmp.core.Matrix;
028    import org.ujmp.core.MatrixFactory;
029    import org.ujmp.core.calculation.AbstractCalculation;
030    import org.ujmp.core.enums.ValueType;
031    import org.ujmp.core.exceptions.MatrixException;
032    import org.ujmp.core.shortmatrix.ShortMatrix;
033    import org.ujmp.core.shortmatrix.impl.ShortCalculationMatrix;
034    
035    public abstract class AbstractShortCalculation extends AbstractCalculation implements
036                    ShortCalculation {
037            private static final long serialVersionUID = 7200876039893919030L;
038    
039            public AbstractShortCalculation(Matrix... sources) {
040                    super(sources);
041            }
042    
043            public AbstractShortCalculation(int dimension, Matrix... sources) {
044                    super(dimension, sources);
045            }
046    
047            public final ShortMatrix calcLink() throws MatrixException {
048                    return new ShortCalculationMatrix(this);
049            }
050    
051            public final ShortMatrix calcNew() throws MatrixException {
052                    ShortMatrix result = (ShortMatrix) MatrixFactory.zeros(ValueType.SHORT, getSize());
053                    for (long[] c : result.allCoordinates()) {
054                            result.setAsShort(getShort(c), c);
055                    }
056                    if (getAnnotation() != null) {
057                            result.setAnnotation(getAnnotation().clone());
058                    }
059                    return result;
060            }
061    
062            public final Matrix calcOrig() throws MatrixException {
063                    if (!Coordinates.equals(getSource().getSize(), getSize())) {
064                            throw new MatrixException(
065                                            "Cannot change Matrix size. Use calc(Ret.NEW) or calc(Ret.LINK) instead.");
066                    }
067                    for (long[] c : getSource().allCoordinates()) {
068                            getSource().setAsShort(getShort(c), c);
069                    }
070                    getSource().notifyGUIObject();
071                    return getSource();
072            }
073    
074            // this method is doing nothing, but it has to be there for submatrix or
075            // selection where it is overridden
076            public void setShort(short value, long... coordinates) throws MatrixException {
077            }
078    
079            public final ValueType getValueType() {
080                    return ValueType.SHORT;
081            }
082    
083    }