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.genericmatrix.impl;
025    
026    import org.ujmp.core.Matrix;
027    import org.ujmp.core.enums.ValueType;
028    import org.ujmp.core.exceptions.MatrixException;
029    import org.ujmp.core.genericmatrix.stub.AbstractDenseGenericMatrix2D;
030    
031    public class DefaultDenseGenericMatrix2D<A> extends AbstractDenseGenericMatrix2D<A> {
032            private static final long serialVersionUID = 3132491298449205914L;
033    
034            private Object[][] values = null;
035    
036            public DefaultDenseGenericMatrix2D(Matrix m) throws MatrixException {
037                    values = new Object[(int) m.getRowCount()][(int) m.getColumnCount()];
038                    for (long[] c : m.allCoordinates()) {
039                            setAsObject(m.getAsObject(c), c);
040                    }
041            }
042    
043            public DefaultDenseGenericMatrix2D(A[][] values) throws MatrixException {
044                    this.values = values;
045            }
046    
047            public DefaultDenseGenericMatrix2D(long... size) {
048                    values = new Object[(int) size[ROW]][(int) size[COLUMN]];
049            }
050    
051            public long[] getSize() {
052                    return new long[] { values.length, values.length == 0 ? 0 : values[0].length };
053            }
054    
055            
056            public long getRowCount() {
057                    return values.length;
058            }
059    
060            
061            public long getColumnCount() {
062                    return values.length == 0 ? 0 : values[0].length;
063            }
064    
065            @SuppressWarnings("unchecked")
066            public A getObject(long row, long column) {
067                    return (A) values[(int) row][(int) column];
068            }
069    
070            public void setObject(Object value, long row, long column) {
071                    values[(int) row][(int) column] = value;
072            }
073    
074            @SuppressWarnings("unchecked")
075            public A getObject(int row, int column) {
076                    return (A) values[row][column];
077            }
078    
079            public void setObject(A value, int row, int column) {
080                    values[row][column] = value;
081            }
082    
083            
084            public ValueType getValueType() {
085                    return ValueType.OBJECT;
086            }
087    
088    }