Class: EventStoreClient::GRPC::Commands::Streams::Append

Inherits:
Command
  • Object
show all
Defined in:
lib/event_store_client/adapters/grpc/commands/streams/append.rb

Constant Summary collapse

ALLOWED_EVENT_METADATA = 
%w[type content-type created_at].freeze

Instance Method Summary collapse

Methods inherited from Command

inherited, #metadata

Methods included from Configuration

#config

Instance Method Details

#call(stream, events, options: {}) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/event_store_client/adapters/grpc/commands/streams/append.rb', line 20

def call(stream, events, options: {})
  return unless events.any?

  serialized_events = events.map { |event| config.mapper.serialize(event) }

  expected_version = options[:expected_version]

  res = nil
  serialized_events.each_with_index do |event, i|
    expected_version += i if expected_version
    res = append(stream, event, expected_version)
    break if res.failure?
  end

  res.success? ? Success(events) : Failure(res.failure)
end