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Contents
# Copyright © 2012 The Pennsylvania State University
#
# 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.
module Sufia
module Utils
extend ActiveSupport::Concern
def retry_unless(number_of_tries, condition, &block)
self.class.retry_unless(number_of_tries, condition, &block)
end
module ClassMethods
def retry_unless(number_of_tries, condition, &block)
raise ArgumentError, "First argument must be an enumerator" unless number_of_tries.is_a? Enumerator
raise ArgumentError, "Second argument must be a lambda" unless condition.respond_to? :call
raise ArgumentError, "Must pass a block of code to retry" unless block_given?
number_of_tries.each do
result = block.call
return result unless condition.call
end
raise RuntimeError, "retry_unless could not complete successfully. Try upping the # of tries?"
end
end
end
end
Version data entries
32 entries across 32 versions & 2 rubygems