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Versions: 5
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Contents
# typed: true
module Datadog
module OpenTracer
# OpenTracing adapter for thread local scope management
class ThreadLocalScopeManager < ScopeManager
# Make a span instance active.
#
# @param span [Span] the Span that should become active
# @param finish_on_close [Boolean] whether the Span should automatically be
# finished when Scope#close is called
# @return [Scope] instance to control the end of the active period for the
# Span. It is a programming error to neglect to call Scope#close on the
# returned instance.
def activate(span, finish_on_close: true)
ThreadLocalScope.new(
manager: self,
span: span,
finish_on_close: finish_on_close
).tap do |scope|
set_scope(scope)
end
end
# @return [Scope] the currently active Scope which can be used to access the
# currently active Span.
#
# If there is a non-null Scope, its wrapped Span becomes an implicit parent
# (as Reference#CHILD_OF) of any newly-created Span at Tracer#start_active_span
# or Tracer#start_span time.
def active
Thread.current[object_id.to_s]
end
private
def set_scope(scope)
Thread.current[object_id.to_s] = scope
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems