Class: GRPC::InterceptionContext

Inherits:

Object

• Object
• GRPC::InterceptionContext

Defined in:

src/ruby/lib/grpc/generic/interceptors.rb

Overview

Represents the context in which an interceptor runs. Used to provide an injectable mechanism for handling interception. This is an EXPERIMENTAL API.

Instance Method Summary

• #initialize(interceptors = []) ⇒ InterceptionContext constructor

  A new instance of InterceptionContext.

• #intercept!(type, args = {}) ⇒ Object

  Intercept the call and fire out to interceptors in a FIFO execution.

Constructor Details

#initialize(interceptors = []) ⇒ InterceptionContext

Returns a new instance of InterceptionContext.

Parameters:

• interceptors (Array<GRPC::Interceptor>) (defaults to: [])

# File 'src/ruby/lib/grpc/generic/interceptors.rb', line 158

def initialize(interceptors = [])
  @interceptors = interceptors.dup
end

Instance Method Details

#intercept!(type, args = {}) ⇒ Object

Intercept the call and fire out to interceptors in a FIFO execution. This is an EXPERIMENTAL API.

Parameters:

• type (Symbol) —

  The request type

• args (Hash) (defaults to: {}) —

  The arguments for the call

# File 'src/ruby/lib/grpc/generic/interceptors.rb', line 169

def intercept!(type, args = {})
  return yield if @interceptors.none?

  i = @interceptors.pop
  return yield unless i

  i.send(type, **args) do
    if @interceptors.any?
      intercept!(type, args) do
        yield
      end
    else
      yield
    end
  end
end