Class: SpanManager::ManagedSpanSource

Inherits:

Object

• Object
• SpanManager::ManagedSpanSource

Defined in:

lib/spanmanager/managed_span_source.rb

Overview

ManagedSpanSource is an interface for a pluggable class that keeps track of the current active Span. It must be used as a base class for a specific implementation.

Direct Known Subclasses

ThreadLocalManagedSpanSource

Instance Method Summary

• #active_span ⇒ SpanManager::ManagedSpan

  Retrieves the current active span.

• #clear ⇒ Object

  Unconditionally cleans up all managed spans.

• #make_active(span) ⇒ SpanManager::ManagedSpan

  Wrap and “make active” the span by encapsulating it in a new [SpanManager::ManagedSpan].

Instance Method Details

#active_span ⇒ SpanManager::ManagedSpan

Retrieves the current active span.

If there is an active span, it becomes an implicit parent of a newly-created span at [SpanManager::Tracer#start_span] time.

Returns:

• (SpanManager::ManagedSpan) —

  returns the current active span, or null if none could be found.

# File 'lib/spanmanager/managed_span_source.rb', line 21

def active_span
end

#clear ⇒ Object

Unconditionally cleans up all managed spans.

# File 'lib/spanmanager/managed_span_source.rb', line 25

def clear
end

#make_active(span) ⇒ SpanManager::ManagedSpan

Wrap and “make active” the span by encapsulating it in a new [SpanManager::ManagedSpan]

The actived span becomes an implicit parent of a newly-created span at [SpanManager::Tracer#start_span] time.

Parameters:

• span (OpenTracing::Span) —

  the Span to wrap in [SpanManager::ManagedSpan].

Returns:

• (SpanManager::ManagedSpan) —

  an active span that encapsulates the given span.

# File 'lib/spanmanager/managed_span_source.rb', line 12

def make_active(span)
end