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Versions: 24
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Contents
module Datadog
module Configuration
# Represents an instance of an integration configuration option
class Option
attr_reader \
:definition
def initialize(definition, context)
@definition = definition
@context = context
@value = nil
@is_set = false
end
def set(value)
old_value = @value
(@value = context_exec(value, old_value, &definition.setter)).tap do |v|
@is_set = true
context_exec(v, old_value, &definition.on_set) if definition.on_set
end
end
def get
if @is_set
@value
elsif definition.delegate_to
context_eval(&definition.delegate_to)
else
set(default_value)
end
end
def reset
@value = if definition.resetter
# Don't change @is_set to false; custom resetters are
# responsible for changing @value back to a good state.
# Setting @is_set = false would cause a default to be applied.
context_exec(@value, &definition.resetter)
else
@is_set = false
nil
end
end
def default_value
if definition.lazy
context_eval(&definition.default)
else
definition.default
end
end
private
def context_exec(*args, &block)
@context.instance_exec(*args, &block)
end
def context_eval(&block)
@context.instance_eval(&block)
end
end
end
end
Version data entries
24 entries across 24 versions & 2 rubygems