Class: Datadog::Tracing::Contrib::GRPC::Distributed::Fetcher

Inherits:

Distributed::Fetcher

• Object
• Distributed::Fetcher
• Datadog::Tracing::Contrib::GRPC::Distributed::Fetcher

Defined in:

lib/datadog/tracing/contrib/grpc/distributed/fetcher.rb

Overview

Retrieves values from the gRPC metadata. One metadata key can be associated with multiple values.

See Also:

• https://github.com/grpc/grpc-go/blob/56ac86fa0f3940cb79946ce2c6e56f7ee7ecae84/Documentation/grpc-metadata.md#constructing-metadata

Instance Method Summary

• #[](key) ⇒ Object

Methods inherited from Distributed::Fetcher

#initialize

Constructor Details

This class inherits a constructor from Datadog::Tracing::Distributed::Fetcher

Instance Method Details

#[](key) ⇒ Object

# File 'lib/datadog/tracing/contrib/grpc/distributed/fetcher.rb', line 15

def [](key)
  # Metadata values are normally integrals but can also be
  # arrays when multiple values are associated with the same key.
  value = super(key)
  value.is_a?(::Array) ? value[0] : value
end