Class: Google::Cloud::Vision::Service

Inherits:
Object
  • Object
show all
Defined in:
lib/google/cloud/vision/service.rb

Overview

Represents the service to Vision, exposing the API calls.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(project, credentials, host: nil, timeout: nil, client_config: nil) ⇒ Service

Creates a new Service instance.



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# File 'lib/google/cloud/vision/service.rb', line 32

def initialize project, credentials, host: nil, timeout: nil,
               client_config: nil
  @project = project
  @credentials = credentials
  @host = host || V1::ImageAnnotatorApi::SERVICE_ADDRESS
  @timeout = timeout
  @client_config = client_config || {}
end

Instance Attribute Details

#client_config ⇒ Object

Returns the value of attribute client_config.



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# File 'lib/google/cloud/vision/service.rb', line 28

def client_config
  @client_config
end

#credentials ⇒ Object

Returns the value of attribute credentials.



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# File 'lib/google/cloud/vision/service.rb', line 28

def credentials
  @credentials
end

#host ⇒ Object

Returns the value of attribute host.



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# File 'lib/google/cloud/vision/service.rb', line 28

def host
  @host
end

#mocked_service ⇒ Object

Returns the value of attribute mocked_service.



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# File 'lib/google/cloud/vision/service.rb', line 64

def mocked_service
  @mocked_service
end

#project ⇒ Object

Returns the value of attribute project.



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# File 'lib/google/cloud/vision/service.rb', line 28

def project
  @project
end

#timeout ⇒ Object

Returns the value of attribute timeout.



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# File 'lib/google/cloud/vision/service.rb', line 28

def timeout
  @timeout
end

Instance Method Details

#annotate(requests) ⇒ Object

Returns API::BatchAnnotateImagesResponse



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# File 'lib/google/cloud/vision/service.rb', line 72

def annotate requests
  execute do
    service.batch_annotate_images requests, options: default_options
  end
end

#chan_creds ⇒ Object 



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# File 'lib/google/cloud/vision/service.rb', line 46

def chan_creds
  return credentials if insecure?
  require "grpc"
  GRPC::Core::ChannelCredentials.new.compose \
    GRPC::Core::CallCredentials.new credentials.client.updater_proc
end

#channel ⇒ Object 



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# File 'lib/google/cloud/vision/service.rb', line 41

def channel
  require "grpc"
  GRPC::Core::Channel.new host, nil, chan_creds
end

#insecure? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/google/cloud/vision/service.rb', line 66

def insecure?
  credentials == :this_channel_is_insecure
end

#inspect ⇒ Object 



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# File 'lib/google/cloud/vision/service.rb', line 78

def inspect
  "#{self.class}(#{@project})"
end

#service ⇒ Object 



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# File 'lib/google/cloud/vision/service.rb', line 53

def service
  return mocked_service if mocked_service
  @service ||= \
    V1::ImageAnnotatorApi.new(
      service_path: host,
      channel: channel,
      timeout: timeout,
      client_config: client_config,
      app_name: "gcloud-ruby",
      app_version: Google::Cloud::Vision::VERSION)
end