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.objectmatrix.calculation; 025 026 import org.ujmp.core.Matrix; 027 import org.ujmp.core.MatrixFactory; 028 import org.ujmp.core.enums.ValueType; 029 import org.ujmp.core.exceptions.MatrixException; 030 031 public class Fill extends AbstractObjectCalculation { 032 private static final long serialVersionUID = -3477957135967841340L; 033 034 private Object fill = null; 035 036 public Fill(Matrix matrix, Object value) { 037 super(matrix); 038 this.fill = value; 039 } 040 041 042 public Object getObject(long... coordinates) { 043 return fill; 044 } 045 046 public static Matrix calc(Matrix source, Object fill) throws MatrixException { 047 Matrix ret = MatrixFactory.zeros(source.getValueType(), source.getSize()); 048 for (long[] c : source.allCoordinates()) { 049 ret.setAsObject(fill, c); 050 } 051 return ret; 052 } 053 054 public static Matrix calc(Object fill, long... size) throws MatrixException { 055 Matrix ret = null; 056 if (fill instanceof Number) { 057 ret = MatrixFactory.zeros(ValueType.DOUBLE, size); 058 } else if (fill instanceof String) { 059 ret = MatrixFactory.zeros(ValueType.STRING, size); 060 } else { 061 ret = MatrixFactory.zeros(ValueType.OBJECT, size); 062 } 063 for (long[] c : ret.allCoordinates()) { 064 ret.setAsObject(fill, c); 065 } 066 return ret; 067 } 068 }