Class: GRPC::Core::CompositeCallCredentials

Inherits:
CallCredentials show all
Defined in:
src/ruby/lib/grpc/core/call_credentials.rb

Instance Attribute Summary

Attributes inherited from CallCredentials

#auth_proc

Instance Method Summary collapse

Constructor Details

#initialize(*creds) ⇒ CompositeCallCredentials

Returns a new instance of CompositeCallCredentials.



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# File 'src/ruby/lib/grpc/core/call_credentials.rb', line 53

def initialize(*creds)
  flat_creds = creds.flatten.flat_map do |c|
    c.composite? ? c.creds : c
  end
  @creds = flat_creds.uniq
  super(proc { |context| get_metadata(context) })
end

Instance Method Details

#compose(*others) ⇒ Object 



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# File 'src/ruby/lib/grpc/core/call_credentials.rb', line 75

def compose(*others)
  return self if others.empty?
  valid_others = validate_credentials_list!(others)
  CompositeCallCredentials.new(@creds + valid_others)
end

#composite? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'src/ruby/lib/grpc/core/call_credentials.rb', line 61

def composite?
  true
end

#get_metadata(context) ⇒ Object 



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# File 'src/ruby/lib/grpc/core/call_credentials.rb', line 65

def get_metadata(context)
  @creds.each_with_object({}) do |c, metadata|
    creds_metadata = c.get_metadata(context)
    next unless creds_metadata
    metadata.merge!(
      creds_metadata.is_a?(Hash) ? creds_metadata : fail(TypeError, "Call credentials must return Hash or nil, got #{creds_metadata.class}")
    )
  end
end