class ZipkinTracer::TraceClient
The trace client provides the user of this library an API to interact with tracing information.
Public Class Methods
local_component_span(local_component_value, &block)
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# File lib/zipkin-tracer/trace_client.rb, line 10 def self.local_component_span(local_component_value, &block) new.trace(local_component_value, &block) end
Public Instance Methods
trace(local_component_value, &block)
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# File lib/zipkin-tracer/trace_client.rb, line 14 def trace(local_component_value, &block) raise ArgumentError, "no block given" unless block @trace_id = TraceGenerator.new.next_trace_id result = nil if @trace_id.sampled? TraceContainer.with_trace_id(@trace_id) do Trace.tracer.with_new_span(@trace_id, local_component_value) do |span| result = block.call(span) span.record_local_component local_component_value end end else result = block.call(NullSpan.new) end result end