diff options
author | Han-Wen Nienhuys <hanwen@google.com> | 2015-02-25 16:45:20 +0100 |
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committer | Han-Wen Nienhuys <hanwen@google.com> | 2015-02-25 16:45:20 +0100 |
commit | d08b27fa9701fecfdb69e1b0d1ac2459efc2129b (patch) | |
tree | 5d50963026239ca5aebfb47ea5b8db7e814e57c8 /src/main/java/com/google/devtools/build/lib/util/Clock.java |
Update from Google.
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MOE_MIGRATED_REVID=85702957
Diffstat (limited to 'src/main/java/com/google/devtools/build/lib/util/Clock.java')
-rw-r--r-- | src/main/java/com/google/devtools/build/lib/util/Clock.java | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/util/Clock.java b/src/main/java/com/google/devtools/build/lib/util/Clock.java new file mode 100644 index 0000000000..878cb11379 --- /dev/null +++ b/src/main/java/com/google/devtools/build/lib/util/Clock.java @@ -0,0 +1,33 @@ +// Copyright 2014 Google Inc. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +package com.google.devtools.build.lib.util; + +/** + * This class provides an interface for a pluggable clock. + */ +public interface Clock { + + /** + * Returns the current time in milliseconds. The milliseconds are counted from midnight + * Jan 1, 1970. + */ + long currentTimeMillis(); + + /** + * Returns the current time in nanoseconds. The nanoseconds are measured relative to some + * unknown, but fixed event. Unfortunately, a sequence of calls to this method is *not* + * guaranteed to return non-decreasing values, so callers should be tolerant to this behavior. + */ + long nanoTime(); +} |