Examples of org.eclipse.jgit.lib.ObjectReader.resolve()

org.eclipse.jgit.lib.ObjectReader.resolve()
Resolve an abbreviated ObjectId to its full form. This method searches for an ObjectId that begins with the abbreviation, and returns at least some matching candidates. If the returned collection is empty, no objects start with this abbreviation. The abbreviation doesn't belong to this repository, or the repository lacks the necessary objects to complete it. If the collection contains exactly one member, the abbreviation is (currently) unique within this database. There is a reasonably high probability that the returned id is what was previously abbreviated. If the collection contains 2 or more members, the abbreviation is not unique. In this case the implementation is only required to return at least 2 candidates to signal the abbreviation has conflicts. User friendly implementations should return as many candidates as reasonably possible, as the caller may be able to disambiguate further based on context. However since databases can be very large (e.g. 10 million objects) returning 625,000 candidates for the abbreviation "0" is simply unreasonable, so implementors should draw the line at around 256 matches. @param id abbreviated id to resolve to a complete identity. The abbreviation must have a length of at least 2. @return candidates that begin with the abbreviated identity. @throws IOException the object store cannot be read.

      ObjectReader or = repo.newObjectReader();


      List<Step> steps = loadSteps();
      for (Step step : steps) {
        popSteps(1);
        Collection<ObjectId> ids = or.resolve(step.commit);
        if (ids.size() != 1)
          throw new JGitInternalException(
              "Could not resolve uniquely the abbreviated object ID");
        RevCommit commitToPick = walk
            .parseCommit(ids.iterator().next());

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      ObjectReader or = repo.newObjectReader();


      List<Step> steps = loadSteps();
      for (Step step : steps) {
        popSteps(1);
        Collection<ObjectId> ids = or.resolve(step.commit);
        if (ids.size() != 1)
          throw new JGitInternalException(
              "Could not resolve uniquely the abbreviated object ID");
        RevCommit commitToPick = walk
            .parseCommit(ids.iterator().next());

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          fw.close();
        }
      }
      for (Step step : steps) {
        popSteps(1);
        Collection<ObjectId> ids = or.resolve(step.commit);
        if (ids.size() != 1)
          throw new JGitInternalException(
              "Could not resolve uniquely the abbreviated object ID");
        RevCommit commitToPick = walk
            .parseCommit(ids.iterator().next());

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      ObjectReader or = repo.newObjectReader();


      List<Step> steps = loadSteps();
      for (Step step : steps) {
        popSteps(1);
        Collection<ObjectId> ids = or.resolve(step.commit);
        if (ids.size() != 1)
          throw new JGitInternalException(
              "Could not resolve uniquely the abbreviated object ID");
        RevCommit commitToPick = walk
            .parseCommit(ids.iterator().next());

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      ObjectReader or = repo.newObjectReader();


      List<Step> steps = loadSteps();
      for (Step step : steps) {
        popSteps(1);
        Collection<ObjectId> ids = or.resolve(step.commit);
        if (ids.size() != 1)
          throw new JGitInternalException(
              "Could not resolve uniquely the abbreviated object ID");
        RevCommit commitToPick = walk
            .parseCommit(ids.iterator().next());

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            .equals(step.getAction()))) {
      writeRewrittenHashes();
    }
    ObjectReader or = repo.newObjectReader();


    Collection<ObjectId> ids = or.resolve(step.getCommit());
    if (ids.size() != 1)
      throw new JGitInternalException(
          "Could not resolve uniquely the abbreviated object ID");
    RevCommit commitToPick = walk.parseCommit(ids.iterator().next());
    if (shouldPick) {

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    String abbr2 = ObjectId.toString(id2).substring(0, 4);
    assertFalse(abbr1.equals(abbr2));


    ObjectReader reader = ins.newReader();
    Collection<ObjectId> objs;
    objs = reader.resolve(AbbreviatedObjectId.fromString(abbr1));
    assertEquals(1, objs.size());
    assertEquals(id1, objs.iterator().next());


    objs = reader.resolve(AbbreviatedObjectId.fromString(abbr2));
    assertEquals(1, objs.size());

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    Collection<ObjectId> objs;
    objs = reader.resolve(AbbreviatedObjectId.fromString(abbr1));
    assertEquals(1, objs.size());
    assertEquals(id1, objs.iterator().next());


    objs = reader.resolve(AbbreviatedObjectId.fromString(abbr2));
    assertEquals(1, objs.size());
    assertEquals(id2, objs.iterator().next());
  }


  private static String readString(ObjectLoader loader) throws IOException {

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      ObjectReader or = repo.newObjectReader();


      List<Step> steps = loadSteps();
      for (Step step : steps) {
        popSteps(1);
        Collection<ObjectId> ids = or.resolve(step.commit);
        if (ids.size() != 1)
          throw new JGitInternalException(
              "Could not resolve uniquely the abbreviated object ID");
        RevCommit commitToPick = walk
            .parseCommit(ids.iterator().next());

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      ObjectReader or = repo.newObjectReader();


      List<Step> steps = loadSteps();
      for (Step step : steps) {
        popSteps(1);
        Collection<ObjectId> ids = or.resolve(step.commit);
        if (ids.size() != 1)
          throw new JGitInternalException(
              "Could not resolve uniquely the abbreviated object ID");
        RevCommit commitToPick = walk
            .parseCommit(ids.iterator().next());

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