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94 lines
3.9 KiB
94 lines
3.9 KiB
// Protocol Buffers - Google's data interchange format |
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// Copyright 2008 Google Inc. All rights reserved. |
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// https://developers.google.com/protocol-buffers/ |
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// |
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// Redistribution and use in source and binary forms, with or without |
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// modification, are permitted provided that the following conditions are |
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// met: |
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// |
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// * Redistributions of source code must retain the above copyright |
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// notice, this list of conditions and the following disclaimer. |
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// * Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following disclaimer |
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// in the documentation and/or other materials provided with the |
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// distribution. |
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// * Neither the name of Google Inc. nor the names of its |
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// contributors may be used to endorse or promote products derived from |
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// this software without specific prior written permission. |
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// |
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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syntax = "proto3"; |
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package google.protobuf; |
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option java_generate_equals_and_hash = true; |
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option java_multiple_files = true; |
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option java_outer_classname = "DurationProto"; |
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option java_package = "com.google.protobuf"; |
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option csharp_namespace = "Google.ProtocolBuffers"; |
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option objc_class_prefix = "GPB"; |
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// A Duration represents a signed, fixed-length span of time represented |
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// as a count of seconds and fractions of seconds at nanosecond |
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// resolution. It is independent of any calendar and concepts like "day" |
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// or "month". It is related to Timestamp in that the difference between |
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// two Timestamp values is a Duration and it can be added or subtracted |
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// from a Timestamp. Range is approximately +-10,000 years. |
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// |
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// Example 1: Compute Duration from two Timestamps in pseudo code. |
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// |
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// Timestamp start = ...; |
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// Timestamp end = ...; |
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// Duration duration = ...; |
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// |
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// duration.seconds = end.seconds - start.seconds; |
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// duration.nanos = end.nanos - start.nanos; |
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// |
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// if (duration.seconds < 0 && duration.nanos > 0) { |
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// duration.seconds += 1; |
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// duration.nanos -= 1000000000; |
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// } else if (durations.seconds > 0 && duration.nanos < 0) { |
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// duration.seconds -= 1; |
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// duration.nanos += 1000000000; |
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// } |
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// |
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// Example 2: Compute Timestamp from Timestamp + Duration in pseudo code. |
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// |
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// Timestamp start = ...; |
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// Duration duration = ...; |
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// Timestamp end = ...; |
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// |
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// end.seconds = start.seconds + duration.seconds; |
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// end.nanos = start.nanos + duration.nanos; |
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// |
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// if (end.nanos < 0) { |
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// end.seconds -= 1; |
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// end.nanos += 1000000000; |
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// } else if (end.nanos >= 1000000000) { |
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// end.seconds += 1; |
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// end.nanos -= 1000000000; |
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// } |
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// |
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message Duration { |
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// Signed seconds of the span of time. Must be from -315,576,000,000 |
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// to +315,576,000,000 inclusive. |
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int64 seconds = 1; |
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// Signed fractions of a second at nanosecond resolution of the span |
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// of time. Durations less than one second are represented with a 0 |
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// `seconds` field and a positive or negative `nanos` field. For durations |
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// of one second or more, a non-zero value for the `nanos` field must be |
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// of the same sign as the `seconds` field. Must be from -999,999,999 |
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// to +999,999,999 inclusive. |
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int32 nanos = 2; |
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}
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