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.datematrix.calculation;
025    
026    import java.util.Date;
027    
028    import org.ujmp.core.Coordinates;
029    import org.ujmp.core.Matrix;
030    import org.ujmp.core.MatrixFactory;
031    import org.ujmp.core.calculation.AbstractCalculation;
032    import org.ujmp.core.datematrix.DateMatrix;
033    import org.ujmp.core.datematrix.impl.DateCalculationMatrix;
034    import org.ujmp.core.enums.ValueType;
035    import org.ujmp.core.exceptions.MatrixException;
036    
037    public abstract class AbstractDateCalculation extends AbstractCalculation implements
038                    DateCalculation {
039            private static final long serialVersionUID = -7928696345352218988L;
040    
041            public AbstractDateCalculation(Matrix... sources) {
042                    super(sources);
043            }
044    
045            public AbstractDateCalculation(int dimension, Matrix... sources) {
046                    super(dimension, sources);
047            }
048    
049            public final DateMatrix calcNew() throws MatrixException {
050                    DateMatrix result = (DateMatrix) MatrixFactory.zeros(ValueType.DATE, getSize());
051                    for (long[] c : result.allCoordinates()) {
052                            result.setAsDate(getDate(c), c);
053                    }
054                    if (getAnnotation() != null) {
055                            result.setAnnotation(getAnnotation().clone());
056                    }
057                    return result;
058            }
059    
060            public final DateMatrix calcLink() throws MatrixException {
061                    return new DateCalculationMatrix(this);
062            }
063    
064            public final Matrix calcOrig() throws MatrixException {
065                    if (!Coordinates.equals(getSource().getSize(), getSize())) {
066                            throw new MatrixException(
067                                            "Cannot change Matrix size. Use calc(Ret.NEW) or calc(Ret.LINK) instead.");
068                    }
069                    for (long[] c : getSource().allCoordinates()) {
070                            getSource().setAsDate(getDate(c), c);
071                    }
072                    getSource().notifyGUIObject();
073                    return getSource();
074            }
075    
076            // this method is doing nothing, but it has to be there for submatrix or
077            // selection where it is overridden
078            public void setDate(Date value, long... coordinates) throws MatrixException {
079            }
080    
081            public final ValueType getValueType() {
082                    return ValueType.DATE;
083            }
084    
085    }