Examples of org.eclipse.jgit.diff.DiffAlgorithm.diff()

Class org.eclipse.jgit.diff.DiffAlgorithm

Examples of org.eclipse.jgit.diff.DiffAlgorithm.diff()

org.eclipse.jgit.diff.DiffAlgorithm.diff()
Compare two sequences and identify a list of edits between them. @param < S> type of sequence being compared. @param cmp the comparator supplying the element equivalence function. @param a the first (also known as old or pre-image) sequence. Edits returned by this algorithm will reference indexes using the 'A' side: {@link Edit#getBeginA()}, {@link Edit#getEndA()}. @param b the second (also known as new or post-image) sequence. Edits returned by this algorithm will reference indexes using the 'B' side: {@link Edit#getBeginB()}, {@link Edit#getEndB()}. @return a modifiable edit list comparing the two sequences. If empty, thesequences are identical according to {@code cmp}'s rules. The result list is never null.

    int cnt = 0;


    final long startTime = mxBean.getCurrentThreadCpuTime();
    long lastTime = startTime;
    while (cpuTimeChanges < minCPUTimerTicks) {
      da.diff(cmp, a, b);
      cnt++;


      long interimTime = mxBean.getCurrentThreadCpuTime();
      if (interimTime != lastTime) {
        cpuTimeChanges++;

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    int cnt = 0;


    final long startTime = mxBean.getCurrentThreadCpuTime();
    long lastTime = startTime;
    while (cpuTimeChanges < minCPUTimerTicks) {
      da.diff(cmp, a, b);
      cnt++;


      long interimTime = mxBean.getCurrentThreadCpuTime();
      if (interimTime != lastTime) {
        cpuTimeChanges++;

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        FileDiff fileDiff = new FileDiff();
        fileDiff.a = new RawText("apple\nbanana\ncat\n".getBytes());
        fileDiff.b = new RawText("apple\nbanana\ncorn\n".getBytes());
        DiffAlgorithm diffAlgorithm =
                DiffAlgorithm.getAlgorithm(DiffAlgorithm.SupportedAlgorithm.HISTOGRAM);
        fileDiff.editList = diffAlgorithm.diff(RawTextComparator.DEFAULT, fileDiff.a,
                        fileDiff.b);


        // when
        List<Hunk> hunks = fileDiff.getHunks();

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      DiffAlgorithm diffAlgorithm = DiffAlgorithm.getAlgorithm(config
          .getEnum(ConfigConstants.CONFIG_DIFF_SECTION, null,
              ConfigConstants.CONFIG_KEY_ALGORITHM,
              SupportedAlgorithm.HISTOGRAM));


      EditList editList = diffAlgorithm.diff(RawTextComparator.DEFAULT,
          oldText, newText);


      return new Diff(diffEntry.getOldPath(), oldText, newText, editList);
    } catch (IOException e) {
      return null;

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