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Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 21 Jan 2011 05:56:43 +0100
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children e21df6259f83
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19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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1 /*
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2 * Copyright (c) 2011 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
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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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
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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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@svnkit.com
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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16 */
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17 package org.tmatesoft.hg.core;
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18
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19 import java.util.ArrayList;
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20 import java.util.Collections;
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21 import java.util.List;
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22
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23 import org.tmatesoft.hg.core.LogCommand.FileRevision;
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24 import org.tmatesoft.hg.util.PathPool;
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25
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26 import com.tmate.hgkit.ll.Changeset;
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27 import com.tmate.hgkit.ll.HgRepository;
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28 import com.tmate.hgkit.ll.Nodeid;
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29 import com.tmate.hgkit.ll.StatusCollector;
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30
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31 /**
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32 * TODO rename to Changeset along with original Changeset moved to .repo and renamed to HgChangeset?
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33 * Not thread-safe, don't try to read from different threads
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34 *
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35 * @author Artem Tikhomirov
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36 * @author TMate Software Ltd.
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37 */
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38 public class Cset implements Cloneable {
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39 private final StatusCollector statusHelper;
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40 private final PathPool pathHelper;
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41
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42 //
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43 private Changeset changeset;
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44 private Nodeid nodeid;
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45
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46 //
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47 private List<FileRevision> modifiedFiles, addedFiles;
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48 private List<Path> deletedFiles;
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49 private int revNumber;
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50
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51 // XXX consider CommandContext with StatusCollector, PathPool etc. Commands optionally get CC through a cons or create new
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52 // and pass it around
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53 /*package-local*/Cset(StatusCollector statusCollector, PathPool pathPool) {
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54 statusHelper = statusCollector;
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55 pathHelper = pathPool;
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56 }
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57
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58 /*package-local*/
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59 void init(int localRevNumber, Nodeid nid, Changeset rawChangeset) {
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60 revNumber = localRevNumber;
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61 nodeid = nid;
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62 changeset = rawChangeset;
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63 }
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64
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65 public String getUser() {
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66 return changeset.user();
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67 }
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68 public String getComment() {
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69 return changeset.comment();
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70 }
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71 public String getBranch() {
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72 return changeset.branch();
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73 }
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74 public String getDate() {
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75 return changeset.dateString();
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76 }
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77
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78 public List<Path> getAffectedFiles() {
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79 ArrayList<Path> rv = new ArrayList<Path>(changeset.files().size());
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80 for (String name : changeset.files()) {
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81 rv.add(pathHelper.path(name));
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82 }
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83 return rv;
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84 }
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85
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86 public List<FileRevision> getModifiedFiles() {
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87 if (modifiedFiles == null) {
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88 initFileChanges();
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89 }
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90 return modifiedFiles;
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91 }
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92
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93 public List<FileRevision> getAddedFiles() {
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94 if (addedFiles == null) {
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95 initFileChanges();
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96 }
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97 return addedFiles;
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98 }
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99
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100 public List<Path> getRemovedFiles() {
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101 if (deletedFiles == null) {
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102 initFileChanges();
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103 }
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104 return deletedFiles;
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105 }
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106
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107 @Override
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108 public Cset clone() {
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109 try {
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110 Cset copy = (Cset) super.clone();
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111 copy.changeset = changeset.clone();
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112 return copy;
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113 } catch (CloneNotSupportedException ex) {
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114 throw new InternalError(ex.toString());
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115 }
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116 }
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117
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118 private /*synchronized*/ void initFileChanges() {
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119 ArrayList<Path> deleted = new ArrayList<Path>();
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120 ArrayList<FileRevision> modified = new ArrayList<FileRevision>();
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121 ArrayList<FileRevision> added = new ArrayList<FileRevision>();
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122 StatusCollector.Record r = new StatusCollector.Record();
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123 statusHelper.change(revNumber, r);
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124 final HgRepository repo = statusHelper.getRepo();
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125 for (String s : r.getModified()) {
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126 Path p = pathHelper.path(s);
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127 Nodeid nid = r.nodeidAfterChange(s);
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128 if (nid == null) {
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129 throw new IllegalArgumentException();
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130 }
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131 modified.add(new FileRevision(repo, nid, p));
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132 }
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133 for (String s : r.getAdded()) {
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134 Path p = pathHelper.path(s);
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135 Nodeid nid = r.nodeidAfterChange(s);
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136 if (nid == null) {
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137 throw new IllegalArgumentException();
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138 }
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139 added.add(new FileRevision(repo, nid, p));
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140 }
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141 for (String s : r.getRemoved()) {
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142 deleted.add(pathHelper.path(s));
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143 }
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144 modified.trimToSize();
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145 added.trimToSize();
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146 deleted.trimToSize();
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147 modifiedFiles = Collections.unmodifiableList(modified);
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148 addedFiles = Collections.unmodifiableList(added);
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149 deletedFiles = Collections.unmodifiableList(deleted);
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150 }
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151 }