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# frozen_string_literal: true
module Jaeger
# Scope represents an OpenTracing Scope
#
# See http://www.opentracing.io for more information.
class Scope
def initialize(span, scope_stack, finish_on_close:)
@span = span
@scope_stack = scope_stack
@finish_on_close = finish_on_close
@closed = false
end
# Return the Span scoped by this Scope
#
# @return [Span]
attr_reader :span
# Close scope
#
# Mark the end of the active period for the current thread and Scope,
# updating the ScopeManager#active in the process.
def close
raise "Tried to close already closed span: #{inspect}" if @closed
@closed = true
@span.finish if @finish_on_close
removed_scope = @scope_stack.pop
if removed_scope != self # rubocop:disable Style/GuardClause
raise 'Removed non-active scope, ' \
"removed: #{removed_scope.inspect}, "\
"expected: #{inspect}"
end
end
end
end
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