Examples with FileDiffCacheKey com.google.gerrit.server.patch.filediff.FileDiffCacheKey used on opensource projects

Example 1 with FileDiffCacheKey

use of com.google.gerrit.server.patch.filediff.FileDiffCacheKey in project gerrit by GerritCodeReview.

the class DiffOperationsImpl method getModifiedFilesForKeys.

/**
 * Lookup the file diffs for the input {@code keys}. For results where the cache reports negative
 * results, e.g. due to timeouts in the cache loader, this method requests the diff again using
 * the fallback algorithm {@link DiffAlgorithm#HISTOGRAM_NO_FALLBACK}.
 */
private ImmutableMap<String, FileDiffOutput> getModifiedFilesForKeys(List<FileDiffCacheKey> keys, DiffOptions diffOptions) throws DiffNotAvailableException {
    ImmutableMap<FileDiffCacheKey, FileDiffOutput> fileDiffs = fileDiffCache.getAll(keys);
    List<FileDiffCacheKey> fallbackKeys = new ArrayList<>();
    ImmutableList.Builder<FileDiffOutput> result = ImmutableList.builder();
    // Use the fallback diff algorithm for negative results
    for (FileDiffCacheKey key : fileDiffs.keySet()) {
        FileDiffOutput diff = fileDiffs.get(key);
        if (diff.isNegative()) {
            FileDiffCacheKey fallbackKey = createFileDiffCacheKey(key.project(), key.oldCommit(), key.newCommit(), key.newFilePath(), // Use the fallback diff algorithm
            DiffAlgorithm.HISTOGRAM_NO_FALLBACK, /* useTimeout= */
            false, key.whitespace());
            fallbackKeys.add(fallbackKey);
        } else {
            result.add(diff);
        }
    }
    result.addAll(fileDiffCache.getAll(fallbackKeys).values());
    return mapByFilePath(result.build(), diffOptions);
}

Example 2 with FileDiffCacheKey

use of com.google.gerrit.server.patch.filediff.FileDiffCacheKey in project gerrit by GerritCodeReview.

the class DiffOperationsImpl method getModifiedFileAgainstParent.

@Override
public FileDiffOutput getModifiedFileAgainstParent(Project.NameKey project, ObjectId newCommit, int parent, String fileName, @Nullable DiffPreferencesInfo.Whitespace whitespace) throws DiffNotAvailableException {
    try {
        DiffParameters diffParams = computeDiffParameters(project, newCommit, parent);
        FileDiffCacheKey key = createFileDiffCacheKey(project, diffParams.baseCommit(), newCommit, fileName, DEFAULT_DIFF_ALGORITHM, /* useTimeout= */
        true, whitespace);
        return getModifiedFileForKey(key);
    } catch (IOException e) {
        throw new DiffNotAvailableException("Failed to evaluate the parent/base commit for commit " + newCommit, e);
    }
}

Example 3 with FileDiffCacheKey

use of com.google.gerrit.server.patch.filediff.FileDiffCacheKey in project gerrit by GerritCodeReview.

the class DiffOperationsImpl method getModifiedFiles.

private ImmutableMap<String, FileDiffOutput> getModifiedFiles(DiffParameters diffParams, DiffOptions diffOptions) throws DiffNotAvailableException {
    try {
        Project.NameKey project = diffParams.project();
        ObjectId newCommit = diffParams.newCommit();
        ObjectId oldCommit = diffParams.baseCommit();
        ComparisonType cmp = diffParams.comparisonType();
        ImmutableList<ModifiedFile> modifiedFiles = modifiedFilesCache.get(createModifiedFilesKey(project, oldCommit, newCommit));
        List<FileDiffCacheKey> fileCacheKeys = new ArrayList<>();
        fileCacheKeys.add(createFileDiffCacheKey(project, oldCommit, newCommit, COMMIT_MSG, DEFAULT_DIFF_ALGORITHM, /* useTimeout= */
        true, /* whitespace= */
        null));
        if (cmp.isAgainstAutoMerge() || isMergeAgainstParent(cmp, project, newCommit)) {
            fileCacheKeys.add(createFileDiffCacheKey(project, oldCommit, newCommit, MERGE_LIST, DEFAULT_DIFF_ALGORITHM, /* useTimeout= */
            true, /*whitespace = */
            null));
        }
        if (diffParams.skipFiles() == null) {
            modifiedFiles.stream().map(entity -> createFileDiffCacheKey(project, oldCommit, newCommit, entity.newPath().isPresent() ? entity.newPath().get() : entity.oldPath().get(), DEFAULT_DIFF_ALGORITHM, /* useTimeout= */
            true, /* whitespace= */
            null)).forEach(fileCacheKeys::add);
        }
        return getModifiedFilesForKeys(fileCacheKeys, diffOptions);
    } catch (IOException e) {
        throw new DiffNotAvailableException(e);
    }
}

Example 4 with FileDiffCacheKey

use of com.google.gerrit.server.patch.filediff.FileDiffCacheKey in project gerrit by GerritCodeReview.

the class FileDiffCacheKeySerializerTest method roundTrip.

@Test
public void roundTrip() {
    FileDiffCacheKey key = FileDiffCacheKey.builder().project(Project.nameKey("project/x")).oldCommit(COMMIT_ID_1).newCommit(COMMIT_ID_2).newFilePath("some_file.txt").renameScore(65).diffAlgorithm(DiffAlgorithm.HISTOGRAM_WITH_FALLBACK_MYERS).whitespace(Whitespace.IGNORE_ALL).useTimeout(true).build();
    byte[] serialized = FileDiffCacheKey.Serializer.INSTANCE.serialize(key);
    assertThat(FileDiffCacheKey.Serializer.INSTANCE.deserialize(serialized)).isEqualTo(key);
}