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annotate src/org/tmatesoft/hg/internal/IntTuple.java @ 682:f568330dd9c0

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Compile with Java5, ensure generics are fine for other compilers, too
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 22 Jul 2013 22:47:06 +0200
parents 1c49c0cee540
children
rev   line source
674
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1 /*
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2 * Copyright (c) 2013 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.internal;
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18
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19 /**
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20 * Tuple of integers
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21 * @author Artem Tikhomirov
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22 * @author TMate Software Ltd.
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23 */
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24 public final class IntTuple implements Cloneable {
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25 private final int size;
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26 private IntVector v;
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27 private int start;
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28
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29 IntTuple(int length) {
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30 size = length;
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31 }
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32 /*package*/IntTuple set(IntVector vect, int index) {
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33 v = vect;
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34 start = index;
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35 return this;
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36 }
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37
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38 public int size() {
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39 return size;
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40 }
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41
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42 public int at(int index) {
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43 if (index < size) {
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44 return v.get(start + index);
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45 }
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46 throw new IllegalArgumentException(String.valueOf(index));
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47 }
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48
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49 public IntTuple clone() {
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50 try {
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51 return (IntTuple) super.clone();
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52 } catch (CloneNotSupportedException ex) {
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53 throw new Error(ex);
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54 }
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55 }
677
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56
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57 @Override
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58 public String toString() {
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59 StringBuilder sb = new StringBuilder();
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60 sb.append('(');
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61 for (int i = 0; i < size; i++) {
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62 sb.append(at(i));
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63 sb.append(", ");
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64 }
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65 sb.setLength(sb.length() - 2);
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66 sb.append(')');
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67 return sb.toString();
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68 }
674
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69 }