}

    @Override
    protected <RESULT extends ENTITY> RESULT delegateSelectEntity(final ConditionBean cb, final Class<? extends RESULT> entityType) {
        final List<? extends RESULT> list = delegateSelectList(cb, entityType);
        if (list.isEmpty()) {
            return null;
        }
        if (list.size() >= 2) {

/**
 * A callback for accepting the results of a {@link java.util.concurrent.Future} computation
 * asynchronously.
 *
 * <p>To attach to a {@link ListenableFuture} use {@link Futures#addCallback}.
 *
 * @author Anthony Zana
 * @since 10.0
 */
@GwtCompatible
public interface FutureCallback<V extends @Nullable Object> {
  /** Invoked with the result of the {@code Future} computation when it is successful. */

		t.Errorf("json marshal is not empty slice, got %v", string(r))
	}

	var results []User
	DB.Preload("Team").Preload("Languages").Preload("Friends").Find(&results, "name = ?", user.Name)

	if r, err := json.Marshal(&results); err != nil {
		t.Errorf("failed to marshal users, got error %v", err)

	time.Sleep(randomWait())

	results := make(chan itemOrErr[ObjectInfo], 100)
	ctx, cancel := context.WithCancel(j.ctx)
	defer cancel()
	if err := j.objLayer.Walk(ctx, minioMetaBucket, batchJobPrefix, results, WalkOptions{}); err != nil {
		batchLogIf(j.ctx, err)
		return
	}
	for result := range results {
		if result.Err != nil {
			batchLogIf(j.ctx, result.Err)
			continue
		}

	}

	datas := []struct {
		callbacks []callback
		err       string
		results   []string
	}{
		{
			callbacks: []callback{{h: c1}, {h: c2}, {h: c3}, {h: c4}, {h: c5}},
			results:   []string{"c1", "c2", "c3", "c4", "c5"},
		},
		{
			callbacks: []callback{{h: c1}, {h: c2}, {h: c3}, {h: c4}, {h: c5, before: "c4"}},
			results:   []string{"c1", "c2", "c3", "c5", "c4"},
		},
		{

		// Test case with keyMarker less than 0. (Test number 20).
		// {bucketNames[0], "", "min", "", "", -1, listMultipartResults[7], nil, true},
		// The result contains only one entry. The  KeyPrefix is set to the object name in the result.
		// Expecting the result to skip the KeyPrefix entry in the result (Test number 21).
		{bucketNames[0], "", "minio-object", "", "", 2, listMultipartResults[8], nil, true},
		// Test case containing prefix values.

	for _, nerr := range hostErrs {
		result := StartProfilingResult{NodeName: nerr.Host.String()}
		if nerr.Err != nil {
			result.Error = nerr.Err.Error()
		} else {
			result.Success = true
		}
		startProfilingResult = append(startProfilingResult, result)
	}

	// Create JSON result and send it to the client

            });
            threads[i].start();
        }

        for (Thread thread : threads) {
            thread.join();
        }

        for (boolean result : results) {
            assertTrue(result);
        }
    }

    /**
     * Test implementation of ThumbnailGenerator interface
     */
    private static class TestThumbnailGenerator implements ThumbnailGenerator {

    result = hash128to64(result + v, u);
    return result == 0 || result == 1 ? result + ~1 : result;
  }

  private static long shiftMix(long val) {
    return val ^ (val >>> 47);
  }

  /** Implementation of Hash128to64 from util/hash/hash128to64.h */
  @VisibleForTesting
  static long hash128to64(long high, long low) {
    long a = (low ^ high) * K3;
    a ^= a >>> 47;

	ListObjectsV2(ctx context.Context, bucket, prefix, continuationToken, delimiter string, maxKeys int, fetchOwner bool, startAfter string) (result ListObjectsV2Info, err error)
	ListObjectVersions(ctx context.Context, bucket, prefix, marker, versionMarker, delimiter string, maxKeys int) (result ListObjectVersionsInfo, err error)