1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.spreadsheet.common.matrix;
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14 import java.io.Externalizable;
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15 import java.io.IOException;
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16 import java.io.ObjectInput;
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17 import java.io.ObjectOutput;
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18 import java.util.ArrayList;
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19 import java.util.Collection;
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21 import org.simantics.spreadsheet.Matrix;
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23 public class MatrixImpl implements Matrix, Externalizable {
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26 private int columns;
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27 private Object[] data;
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29 public MatrixImpl() {
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33 public MatrixImpl(int rows, int columns) {
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35 this.columns = columns;
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36 this.data = new Object[rows*columns];
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40 public int getColumnCount() {
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45 public int getRowCount() {
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50 public void readExternal(ObjectInput in) throws IOException,
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51 ClassNotFoundException {
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52 rows = in.readInt();
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53 columns = in.readInt();
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54 data = new Object[rows*columns];
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55 for(int i=0;i<data.length;i++) data[i] = in.readObject();
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59 public void writeExternal(ObjectOutput out) throws IOException {
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61 out.writeInt(columns);
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62 for(Object o : data) out.writeObject(o);
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66 public Object get(int row, int column) {
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67 return data[column*rows + row];
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70 public void setColumn(int column, Collection<Object> objects) {
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71 int index = rows*column;
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72 for(Object o : objects) {
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77 public void set(int row, int column, Object object) {
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78 data[rows*column + row] = object;
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81 public Collection<Object> getColumn(int column) {
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82 ArrayList<Object> result = new ArrayList<Object>();
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83 for(int i=0;i<rows;i++) {
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84 result.add(data[rows*column+i]);
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89 public Collection<Object> getRow(int row) {
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90 ArrayList<Object> result = new ArrayList<Object>();
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91 for(int i=0;i<columns;i++) {
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92 result.add(data[row + columns*i]);
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