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Contents
# Copyright 2015 gRPC authors.
#
# 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.
require_relative '../grpc'
# GRPC contains the General RPC module.
module GRPC
module Core
# TimeConsts is a module from the C extension.
#
# Here it's re-opened to add a utility func.
module TimeConsts
# Converts a time delta to an absolute deadline.
#
# Assumes timeish is a relative time, and converts its to an absolute,
# with following exceptions:
#
# * if timish is one of the TimeConsts.TimeSpec constants the value is
# preserved.
# * timish < 0 => TimeConsts.INFINITE_FUTURE
# * timish == 0 => TimeConsts.ZERO
#
# @param timeish [Number|TimeSpec]
# @return [Number|TimeSpec]
def from_relative_time(timeish)
if timeish.is_a? TimeSpec
timeish
elsif timeish.nil?
TimeConsts::ZERO
elsif !timeish.is_a? Numeric
fail(TypeError,
"Cannot make an absolute deadline from #{timeish.inspect}")
elsif timeish < 0
TimeConsts::INFINITE_FUTURE
elsif timeish.zero?
TimeConsts::ZERO
else
Time.now + timeish
end
end
module_function :from_relative_time
end
end
end
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