for (Thread thread : blockedThreads) {
      AbstractFutureBenchmarks.awaitWaiting(thread);
    }
    switch (state) {
      case NOT_DONE:
        break;
      case FINISHED:
        f.set(null);
        break;
      case CANCELLED:
        f.cancel(false);
        break;
      case FAILED:
        f.setException(new Exception());
        break;
    }
    return f;
  }

	if cnt > 0 {
		for i := 0; i < last; i++ {
			entry := lastN[(cnt+i)%last]
			if (entry == log.Info{}) {
				continue
			}
			select {
			case subCh <- entry:
			case <-doneCh:
				return nil
			}
		}
	}
	return sys.pubsub.Subscribe(madmin.LogMaskAll, subCh, doneCh, filter)
}

// Init if HTTPConsoleLoggerSys is valid, always returns nil right now

                case 0:
                    ASN1Enumerated enumerated = ASN1Enumerated.getInstance(tagged, true);
                    setResult(enumerated.getValue().intValue());
                    break;
                case 1:
                    setMechanism(ASN1ObjectIdentifier.getInstance(tagged, true));
                    break;
                case 2:

            switch ( tagged.getTagNo() ) {
            case 0:// Kerberos version
                ASN1Integer tktvno = ASN1Util.as(ASN1Integer.class, tagged);
                if ( !tktvno.getValue().equals(new BigInteger(KerberosConstants.KERBEROS_VERSION)) ) {
                    throw new PACDecodingException("Invalid kerberos version " + tktvno);
                }
                break;
            case 1:// Realm

            if (queryBuilder != null) {
                switch (clause.getOccur()) {
                case MUST:
                    boolQuery.must(queryBuilder);
                    break;
                case SHOULD:
                    boolQuery.should(queryBuilder);
                    break;
                case MUST_NOT:
                    boolQuery.mustNot(queryBuilder);
                    break;
                default:

func (m *metacache) worthKeeping() bool {
	if m == nil {
		return false
	}
	cache := m
	switch {
	case !cache.finished() && time.Since(cache.lastUpdate) > metacacheMaxRunningAge:
		// Not finished and update for metacacheMaxRunningAge, discard it.
		return false
	case cache.finished() && time.Since(cache.lastHandout) > 5*metacacheMaxClientWait:
		// Keep for 15 minutes after we last saw the client.

		enc := json.NewEncoder(&buf)
		for {
			select {
			case <-doneCh:
				return
			case v, ok := <-subChT:
				if !ok {
					return
				}
				buf.Reset()
				err := enc.Encode(v)
				if err != nil {
					return
				}

				select {
				case subCh <- append(GetByteBuffer()[:0], buf.Bytes()...):
					continue
				case <-doneCh:
					return
				}
			}
		}
	}()

	*dst = dsync.LockResp{Code: dsync.RespOK}
	switch err {
	case nil:
	case errLockNotInitialized:
		dst.Code = dsync.RespLockNotInitialized
	case errLockConflict:
		dst.Code = dsync.RespLockConflict
	case errLockNotFound:
		dst.Code = dsync.RespLockNotFound
	default:
		dst.Code = dsync.RespErr
		dst.Err = err.Error()
	}
	return dst, nil

	// Set the magic values.
	switch {
	case format.has(formatV7):
		// Do nothing.
	case format.has(FormatGNU):
		copy(b.toGNU().magic(), magicGNU)
		copy(b.toGNU().version(), versionGNU)
	case format.has(formatSTAR):
		copy(b.toSTAR().magic(), magicUSTAR)
		copy(b.toSTAR().version(), versionUSTAR)
		copy(b.toSTAR().trailer(), trailerSTAR)
	case format.has(FormatUSTAR | FormatPAX):

		{`a%__%\`, `a\%\_\_%`, '\\', true, nil},
		{`a%__%\`, `a?%?_?_?%\`, '?', true, nil},
	}

	for i, tc := range evalCases {
		// fmt.Println("Case:", i)
		res, err := evalSQLLike(tc.iText, tc.iPat, tc.iEsc)
		if res != tc.matchExpected || err != tc.errExpected {
			t.Errorf("Eval Case %d failed: %v %v", i, res, err)
		}
	}