Examples of org.eclipse.jgit.treewalk.filter.IndexDiffFilter

Package org.eclipse.jgit.treewalk.filter

Examples of org.eclipse.jgit.treewalk.filter.IndexDiffFilter

org.eclipse.jgit.treewalk.filter.IndexDiffFilter
A performance optimized variant of {@link TreeFilter#ANY_DIFF} which shouldbe used when among the walked trees there is a {@link DirCacheIterator} and a{@link WorkingTreeIterator}. Please see the documentation of {@link TreeFilter#ANY_DIFF} for a basic description of the semantics.
This filter tries to avoid computing content ids of the files in the working-tree. In contrast to {@link TreeFilter#ANY_DIFF} this filter takescare to first compare the entry from the {@link DirCacheIterator} with theentries from all other iterators besides the {@link WorkingTreeIterator}. Since all those entries have fast access to content ids that is very fast. If a difference is detected in this step this filter decides to include that path before even looking at the working-tree entry.
If no difference is found then we have to compare index and working-tree as the last step. By making use of {@link WorkingTreeIterator#isModified(org.eclipse.jgit.dircache.DirCacheEntry,boolean)}we can avoid the computation of the content id if the file is not dirty.
Instances of this filter should not be used for multiple {@link TreeWalk}s. Always construct a new instance of this filter for each TreeWalk.

  }


  private static TreeFilter getDiffTreeFilterFor(AbstractTreeIterator a,
      AbstractTreeIterator b) {
    if (a instanceof DirCacheIterator && b instanceof WorkingTreeIterator)
      return new IndexDiffFilter(0, 1);


    if (a instanceof WorkingTreeIterator && b instanceof DirCacheIterator)
      return new IndexDiffFilter(1, 0);


    TreeFilter filter = TreeFilter.ANY_DIFF;
    if (a instanceof WorkingTreeIterator)
      filter = AndTreeFilter.create(new NotIgnoredFilter(0), filter);
    if (b instanceof WorkingTreeIterator)

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    }


    if (filter != null)
      filters.add(filter);
    filters.add(new SkipWorkTreeFilter(INDEX));
    indexDiffFilter = new IndexDiffFilter(INDEX, WORKDIR);
    filters.add(indexDiffFilter);
    treeWalk.setFilter(AndTreeFilter.create(filters));
    while (treeWalk.next()) {
      AbstractTreeIterator treeIterator = treeWalk.getTree(TREE,
          AbstractTreeIterator.class);

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        treeWalk.setRecursive(true);
        treeWalk.addTree(headCommit.getTree());
        treeWalk.addTree(new DirCacheIterator(cache));
        treeWalk.addTree(new FileTreeIterator(repo));
        treeWalk.setFilter(AndTreeFilter.create(new SkipWorkTreeFilter(
            1), new IndexDiffFilter(1, 2)));


        // Return null if no local changes to stash
        if (!treeWalk.next())
          return null;

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  public static Map<String, Change> build(Repository repo) {
    TreeWalk tw = new TreeWalk(repo);
    try {
      int fileNth = tw.addTree(new FileTreeIterator(repo));
      int cacheNth = tw.addTree(new DirCacheIterator(repo.readDirCache()));
      tw.setFilter(new IndexDiffFilter(cacheNth, fileNth));
      tw.setRecursive(true);


      Map<String, Change> result = new HashMap<String, Change>();
      MutableObjectId idBuf = new MutableObjectId();
      while (tw.next()) {

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  }


  private static TreeFilter getDiffTreeFilterFor(AbstractTreeIterator a,
      AbstractTreeIterator b) {
    if (a instanceof DirCacheIterator && b instanceof WorkingTreeIterator)
      return new IndexDiffFilter(0, 1);


    if (a instanceof WorkingTreeIterator && b instanceof DirCacheIterator)
      return new IndexDiffFilter(1, 0);


    TreeFilter filter = TreeFilter.ANY_DIFF;
    if (a instanceof WorkingTreeIterator)
      filter = AndTreeFilter.create(new NotIgnoredFilter(0), filter);
    if (b instanceof WorkingTreeIterator)

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    }


    if (filter != null)
      filters.add(filter);
    filters.add(new SkipWorkTreeFilter(INDEX));
    indexDiffFilter = new IndexDiffFilter(INDEX, WORKDIR);
    filters.add(indexDiffFilter);
    treeWalk.setFilter(AndTreeFilter.create(filters));
    while (treeWalk.next()) {
      AbstractTreeIterator treeIterator = treeWalk.getTree(TREE,
          AbstractTreeIterator.class);

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        treeWalk.setRecursive(true);
        treeWalk.addTree(headCommit.getTree());
        treeWalk.addTree(new DirCacheIterator(cache));
        treeWalk.addTree(new FileTreeIterator(repo));
        treeWalk.setFilter(AndTreeFilter.create(new SkipWorkTreeFilter(
            1), new IndexDiffFilter(1, 2)));


        // Return null if no local changes to stash
        if (!treeWalk.next())
          return null;

View Full Code Here

  }


  private static TreeFilter getDiffTreeFilterFor(AbstractTreeIterator a,
      AbstractTreeIterator b) {
    if (a instanceof DirCacheIterator && b instanceof WorkingTreeIterator)
      return new IndexDiffFilter(0, 1);


    if (a instanceof WorkingTreeIterator && b instanceof DirCacheIterator)
      return new IndexDiffFilter(1, 0);


    TreeFilter filter = TreeFilter.ANY_DIFF;
    if (a instanceof WorkingTreeIterator)
      filter = AndTreeFilter.create(new NotIgnoredFilter(0), filter);
    if (b instanceof WorkingTreeIterator)

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        treeWalk.setRecursive(true);
        treeWalk.addTree(headCommit.getTree());
        treeWalk.addTree(new DirCacheIterator(cache));
        treeWalk.addTree(new FileTreeIterator(repo));
        treeWalk.setFilter(AndTreeFilter.create(new SkipWorkTreeFilter(
            1), new IndexDiffFilter(1, 2)));


        // Return null if no local changes to stash
        if (!treeWalk.next())
          return null;

View Full Code Here

    }


    if (filter != null)
      filters.add(filter);
    filters.add(new SkipWorkTreeFilter(INDEX));
    indexDiffFilter = new IndexDiffFilter(INDEX, WORKDIR);
    filters.add(indexDiffFilter);
    treeWalk.setFilter(AndTreeFilter.create(filters));
    while (treeWalk.next()) {
      AbstractTreeIterator treeIterator = treeWalk.getTree(TREE,
          AbstractTreeIterator.class);

View Full Code Here

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Related Classes of org.eclipse.jgit.treewalk.filter.IndexDiffFilter

org.eclipse.egit.core.synchronize.WorkingTreeChangeCache

org.eclipse.jgit.api.StashCreateCommand

org.eclipse.jgit.diff.DiffFormatter

org.eclipse.jgit.dircache.DirCacheEntry

org.eclipse.jgit.dircache.DirCacheIterator

org.eclipse.jgit.lib.IndexDiff

org.eclipse.jgit.treewalk.WorkingTreeIterator

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