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 }