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| 1 // Protocol Buffers - Google's data interchange format | |
| 2 // Copyright 2008 Google Inc. All rights reserved. | |
| 3 // https://developers.google.com/protocol-buffers/ | |
| 4 // | |
| 5 // Redistribution and use in source and binary forms, with or without | |
| 6 // modification, are permitted provided that the following conditions are | |
| 7 // met: | |
| 8 // | |
| 9 // * Redistributions of source code must retain the above copyright | |
| 10 // notice, this list of conditions and the following disclaimer. | |
| 11 // * Redistributions in binary form must reproduce the above | |
| 12 // copyright notice, this list of conditions and the following disclaimer | |
| 13 // in the documentation and/or other materials provided with the | |
| 14 // distribution. | |
| 15 // * Neither the name of Google Inc. nor the names of its | |
| 16 // contributors may be used to endorse or promote products derived from | |
| 17 // this software without specific prior written permission. | |
| 18 // | |
| 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 30 syntax = "proto3"; | |
| 31 | |
| 32 package google.protobuf; | |
| 33 | |
| 34 option java_generate_equals_and_hash = true; | |
| 35 option java_multiple_files = true; | |
| 36 option java_outer_classname = "DurationProto"; | |
| 37 option java_package = "com.google.protobuf"; | |
| 38 option csharp_namespace = "Google.Protobuf.WellKnownTypes"; | |
| 39 option objc_class_prefix = "GPB"; | |
| 40 | |
| 41 // A Duration represents a signed, fixed-length span of time represented | |
| 42 // as a count of seconds and fractions of seconds at nanosecond | |
| 43 // resolution. It is independent of any calendar and concepts like "day" | |
| 44 // or "month". It is related to Timestamp in that the difference between | |
| 45 // two Timestamp values is a Duration and it can be added or subtracted | |
| 46 // from a Timestamp. Range is approximately +-10,000 years. | |
| 47 // | |
| 48 // Example 1: Compute Duration from two Timestamps in pseudo code. | |
| 49 // | |
| 50 // Timestamp start = ...; | |
| 51 // Timestamp end = ...; | |
| 52 // Duration duration = ...; | |
| 53 // | |
| 54 // duration.seconds = end.seconds - start.seconds; | |
| 55 // duration.nanos = end.nanos - start.nanos; | |
| 56 // | |
| 57 // if (duration.seconds < 0 && duration.nanos > 0) { | |
| 58 // duration.seconds += 1; | |
| 59 // duration.nanos -= 1000000000; | |
| 60 // } else if (durations.seconds > 0 && duration.nanos < 0) { | |
| 61 // duration.seconds -= 1; | |
| 62 // duration.nanos += 1000000000; | |
| 63 // } | |
| 64 // | |
| 65 // Example 2: Compute Timestamp from Timestamp + Duration in pseudo code. | |
| 66 // | |
| 67 // Timestamp start = ...; | |
| 68 // Duration duration = ...; | |
| 69 // Timestamp end = ...; | |
| 70 // | |
| 71 // end.seconds = start.seconds + duration.seconds; | |
| 72 // end.nanos = start.nanos + duration.nanos; | |
| 73 // | |
| 74 // if (end.nanos < 0) { | |
| 75 // end.seconds -= 1; | |
| 76 // end.nanos += 1000000000; | |
| 77 // } else if (end.nanos >= 1000000000) { | |
| 78 // end.seconds += 1; | |
| 79 // end.nanos -= 1000000000; | |
| 80 // } | |
| 81 // | |
| 82 message Duration { | |
| 83 // Signed seconds of the span of time. Must be from -315,576,000,000 | |
| 84 // to +315,576,000,000 inclusive. | |
| 85 int64 seconds = 1; | |
| 86 | |
| 87 // Signed fractions of a second at nanosecond resolution of the span | |
| 88 // of time. Durations less than one second are represented with a 0 | |
| 89 // `seconds` field and a positive or negative `nanos` field. For durations | |
| 90 // of one second or more, a non-zero value for the `nanos` field must be | |
| 91 // of the same sign as the `seconds` field. Must be from -999,999,999 | |
| 92 // to +999,999,999 inclusive. | |
| 93 int32 nanos = 2; | |
| 94 } | |
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Chromium Code Reviews
Issue 1322483002:
Revert https://codereview.chromium.org/1291903002 (protobuf roll). (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master