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annotate cmdline/org/tmatesoft/hg/console/Outgoing.java @ 200:114c9fe7b643

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Performance optimization: reduce memory ParentWalker hogs
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 20 Apr 2011 21:14:51 +0200
parents e5407b5a586a
children 63c9fed4369e
rev   line source
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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
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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.console;
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19 import java.util.Collection;
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20 import java.util.List;
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22 import org.tmatesoft.hg.core.Nodeid;
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23 import org.tmatesoft.hg.internal.RepositoryComparator;
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24 import org.tmatesoft.hg.repo.HgChangelog;
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25 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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26 import org.tmatesoft.hg.repo.HgLookup;
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27 import org.tmatesoft.hg.repo.HgRemoteRepository;
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28 import org.tmatesoft.hg.repo.HgRepository;
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31 /**
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32 * WORK IN PROGRESS, DO NOT USE
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33 * hg outgoing
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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 Outgoing {
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40 public static void main(String[] args) throws Exception {
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41 final boolean debug = true; // perhaps, use hg4j.remote.debug or own property?
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42 Options cmdLineOpts = Options.parse(args);
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43 HgRepository hgRepo = cmdLineOpts.findRepository();
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44 if (hgRepo.isInvalid()) {
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45 System.err.printf("Can't find repository in: %s\n", hgRepo.getLocation());
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46 return;
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47 }
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48 HgRemoteRepository hgRemote = new HgLookup().detectRemote(cmdLineOpts.getSingle(""), hgRepo);
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49 if (hgRemote.isInvalid()) {
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50 System.err.printf("Remote repository %s is not valid", hgRemote.getLocation());
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51 return;
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52 }
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54 HgChangelog changelog = hgRepo.getChangelog();
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55 HgChangelog.ParentWalker pw = changelog.new ParentWalker();
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56 pw.init();
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58 RepositoryComparator repoCompare = new RepositoryComparator(pw, hgRemote);
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59 repoCompare.compare(null);
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60 if (debug) {
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61 List<Nodeid> commonKnown = repoCompare.getCommon();
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62 dump("Nodes known to be both locally and at remote server", commonKnown);
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63 }
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64 // find all local children of commonKnown
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65 List<Nodeid> result = repoCompare.getLocalOnlyRevisions();
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66 dump("Lite", result);
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67 //
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68 //
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69 System.out.println("Full");
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70 // show all, starting from next to common
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71 repoCompare.visitLocalOnlyRevisions(new HgChangelog.Inspector() {
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72 private final ChangesetFormatter formatter = new ChangesetFormatter();
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74 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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75 System.out.println(formatter.simple(revisionNumber, nodeid, cset));
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76 }
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77 });
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78 }
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80 public static class ChangesetFormatter {
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81 private final StringBuilder sb = new StringBuilder(1024);
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83 public CharSequence simple(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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84 sb.setLength(0);
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85 sb.append(String.format("changeset: %d:%s\n", revisionNumber, nodeid.toString()));
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86 sb.append(String.format("user: %s\n", cset.user()));
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87 sb.append(String.format("date: %s\n", cset.dateString()));
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88 sb.append(String.format("comment: %s\n\n", cset.comment()));
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89 return sb;
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90 }
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91 }
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94 private static void dump(String s, Collection<Nodeid> c) {
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95 System.out.println(s);
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96 for (Nodeid n : c) {
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97 System.out.println(n);
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98 }
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99 }
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100 }