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comparison src/org/tmatesoft/hg/repo/HgManifest.java @ 254:a620f0663a37

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Collect tags for a file - improve performance of 'sparse' manifest reads
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 16 Aug 2011 04:03:29 +0200
parents b7347daa50e3
children f39fb6b3cc76
comparison
equal deleted inserted replaced
253:1874d11054e5 254:a620f0663a37
56 throw new IllegalArgumentException(); 56 throw new IllegalArgumentException();
57 } 57 }
58 int start0 = fromChangelog(start); 58 int start0 = fromChangelog(start);
59 int end0 = fromChangelog(end); 59 int end0 = fromChangelog(end);
60 content.iterate(start0, end0, true, new ManifestParser(inspector)); 60 content.iterate(start0, end0, true, new ManifestParser(inspector));
61 }
62
63 /**
64 * "Sparse" iteration of the manifest
65 *
66 * @param inspector
67 * @param localRevisions local changeset revisions to visit
68 */
69 public void walk(final Inspector inspector, int... localRevisions) {
70 if (inspector == null || localRevisions == null) {
71 throw new IllegalArgumentException();
72 }
73 int[] manifestLocalRevs = new int[localRevisions.length];
74 boolean needsSort = false;
75 for (int i = 0; i < localRevisions.length; i++) {
76 final int manifestLocalRev = fromChangelog(localRevisions[i]);
77 manifestLocalRevs[i] = manifestLocalRev;
78 if (i > 0 && manifestLocalRevs[i-1] > manifestLocalRev) {
79 needsSort = true;
80 }
81 }
82 if (needsSort) {
83 Arrays.sort(manifestLocalRevs);
84 }
85 content.iterate(manifestLocalRevs, true, new ManifestParser(inspector));
61 } 86 }
62 87
63 // manifest revision number that corresponds to the given changeset 88 // manifest revision number that corresponds to the given changeset
64 /*package-local*/ int fromChangelog(int revisionNumber) { 89 /*package-local*/ int fromChangelog(int revisionNumber) {
65 if (HgInternals.wrongLocalRevision(revisionNumber)) { 90 if (HgInternals.wrongLocalRevision(revisionNumber)) {