Mercurial > jhg
annotate src/org/tmatesoft/hg/repo/HgSubrepoLocation.java @ 587:a52f4cc56f9c
Minimize vectors re-allocating when merging patches
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Fri, 26 Apr 2013 20:04:17 +0200 (2013-04-26) |
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1 /* |
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2 * Copyright (c) 2011-2012 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.repo; |
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18 |
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19 import java.io.File; |
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20 |
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21 import org.tmatesoft.hg.core.HgRepositoryNotFoundException; |
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22 import org.tmatesoft.hg.core.Nodeid; |
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23 import org.tmatesoft.hg.internal.Internals; |
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24 import org.tmatesoft.hg.util.Path; |
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25 |
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26 /** |
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27 * Descriptor for subrepository location |
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28 * |
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29 * @see http://mercurial.selenic.com/wiki/Subrepository |
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30 * @author Artem Tikhomirov |
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31 * @author TMate Software Ltd. |
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32 */ |
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33 public class HgSubrepoLocation { |
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34 |
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35 private final HgRepository owner; |
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36 private final Kind kind; |
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37 private final Path location; |
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38 private final String source; |
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39 private final Nodeid revInfo; |
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40 |
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41 public enum Kind { Hg, SVN, Git, } |
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42 |
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43 /** |
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44 * |
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45 * @param parentRepo |
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46 * @param repoLocation path, shall be valid directory (i.e. even if .hgsub doesn't specify trailing slash, this one shall) |
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47 * @param actualLocation |
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48 * @param type |
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49 * @param revision may be <code>null</code> |
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50 */ |
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51 /*package-local*/ HgSubrepoLocation(HgRepository parentRepo, Path repoLocation, String actualLocation, Kind type, Nodeid revision) { |
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52 owner = parentRepo; |
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53 location = repoLocation; |
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54 source = actualLocation; |
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55 kind = type; |
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56 revInfo = revision; |
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57 } |
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58 |
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59 /** |
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60 * Sub-repository's location within owning repository, always directory, <code>path/to/nested</code>. |
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61 * <p> |
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62 * May differ from left-hand, key value from <code>.hgsub</code> if the latter doesn't include trailing slash, which is required |
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63 * for {@link Path} objects |
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64 * |
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65 * @return path to nested repository relative to owner's location |
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66 */ |
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67 public Path getLocation() { |
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68 return location; |
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69 } |
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70 |
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71 /** |
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72 * Right-hand value from <code>.hgsub</code>, with <code>[kind]</code> stripped, if any. |
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73 * @return sub-repository's source |
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74 */ |
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75 public String getSource() { |
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76 return source; |
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77 } |
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78 |
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79 /** |
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80 * Sub-repository kind, either Mercurial, Subversion or Git |
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81 * @return one of predefined constants |
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82 */ |
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83 public Kind getType() { |
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84 return kind; |
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85 } |
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86 |
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87 /** |
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88 * For a nested repository that has been committed at least once, returns |
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89 * its revision as known from <code>.hgsubstate</code> |
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90 * |
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91 * <p>Note, this revision belongs to the nested repository history, not that of owning repository. |
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92 * |
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93 * @return revision of the nested repository, or <code>null</code> if not yet committed |
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94 */ |
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95 public Nodeid getRevision() { |
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96 return revInfo; |
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97 } |
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98 |
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99 /** |
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100 * Answers whether this sub repository has ever been part of a commit of the owner repository |
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101 * |
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102 * @return <code>true</code> if owning repository records {@link #getRevision() revision} of this sub-repository |
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103 */ |
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104 public boolean isCommitted() { |
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105 return revInfo != null; |
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106 } |
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107 |
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108 /** |
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109 * Answers whether there are local changes in the sub-repository, |
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110 * @return <code>true</code> if it's dirty |
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111 */ |
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112 public boolean hasChanges() { |
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113 throw Internals.notImplemented(); |
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114 } |
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115 |
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116 /** |
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117 * Access repository that owns nested one described by this object |
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118 */ |
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119 public HgRepository getOwner() { |
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120 return owner; |
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121 } |
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122 |
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123 /** |
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124 * Access nested repository as a full-fledged Mercurial repository |
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125 * |
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126 * @return object to access sub-repository |
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127 * @throws HgRepositoryNotFoundException if failed to find repository |
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128 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em> |
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129 */ |
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130 public HgRepository getRepo() throws HgRepositoryNotFoundException { |
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131 if (kind != Kind.Hg) { |
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132 throw new HgInvalidStateException(String.format("Unsupported subrepository %s", kind)); |
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133 } |
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134 return new HgLookup().detect(new File(owner.getWorkingDir(), source)); |
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135 } |
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136 } |