Class: RbbtRestClient

Inherits:
Object
  • Object
show all
Defined in:
lib/rbbt/workflow/rest/client.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url, name) ⇒ RbbtRestClient 



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# File 'lib/rbbt/workflow/rest/client.rb', line 13

def initialize(url, name)
  @url = url
  @name = name
  task_names = JSON.parse(RestClient.get(@url + '?_format=json'))

  extend Workflow

  class << self 
    alias old_job job

    def job(task_name, name, *args)
      step = old_job(task_name, name, *args)

      class << step
        attr_accessor :remote_name
        attr_accessor :original_name
        attr_accessor :remote_export

        def remote_name
          URI.escape(@remote_name)
        end
      end

      step.original_name = name || "RestClient"

      step.remote_export = task_info(task_name)[:export]

      class << step
        def info
          if remote_name.nil?
            {:status => :done}
          else
            i = JSON.parse(RestClient.get(File.join(task.url, task.name.to_s, remote_name, 'info') + '?_format=json'))
            IndiferentHash.setup i
            i[:status] = i.delete(:status).to_sym if i.include? :status
            i[:messages] = i.delete(:messages) if i.include? :messages
            i
          end
        end

        def load
          case task.result_type.to_sym
          when :string
            RestClient.get(File.join(task.url, task.name.to_s, remote_name) + "?_format=raw")
          when :tsv
            TSV.open(StringIO.new(RestClient.get(File.join(task.url, task.name.to_s, remote_name) + "?_format=raw")))
          when :annotations
            Annotated.load_tsv(TSV.open(StringIO.new(RestClient.get(File.join(task.url, task.name.to_s, remote_name) + "?_format=raw"))))
          else
            res = JSON.parse(RestClient.get(File.join(task.url, task.name.to_s, remote_name) + "?_format=json"))
            res = TSV.setup(res) if task.result_type.to_sym == :tsv
            res
          end
        end

        def exec
          input_hash = Misc.zip2hash(task.inputs, @inputs)

          case remote_export.to_s 
          when "exec"
            url = File.join(task.url, task.name.to_s)
            if task.result_type.to_sym == :string
              res = RestClient.post(url, Misc.hash2GET_params(input_hash.merge(:_format => :raw)))
              res
            else
              res = RestClient.post(url, Misc.hash2GET_params(input_hash.merge(:_format => :json)))
              JSON.parse(res)
            end
          when "synchronous"
            @remote_name = RestClient.post(File.join(task.url, task.name.to_s), Misc.hash2GET_params(input_hash.merge(:_format => :json, :jobname => original_name)))
            self.load
          when "asynchronous"
            @remote_name = RestClient.post(File.join(task.url, task.name.to_s), Misc.hash2GET_params(input_hash.merge(:_format => :json, :jobname => original_name)))
            while not done?
              sleep 10
            end
            self.load
          end
        end

        def run
          exec
        end

        def fork
          input_hash = Misc.zip2hash(task.inputs, @inputs)

          case remote_export.to_s 
          when "exec"
            raise "Cannot export a remote function exported as 'exec'"
          when "synchronous"
            @remote_name = RestClient.post(File.join(task.url, task.name.to_s), Misc.hash2GET_params(input_hash.merge(:_format => :json, :jobname =>  original_name)))
            self
          when "asynchronous"
            @remote_name = RestClient.post(File.join(task.url, task.name.to_s), Misc.hash2GET_params(input_hash.merge(:_format => :json, :jobname =>  original_name)))
            self
          end
        end

        def clean
          return if remote_export.to_s == "exec"
          RestClient.delete(File.join(task.url, task.name.to_s, remote_name) + '?_format=json')
        end

        def name
          remote_name || @name
        end

      end

      step
    end
  end

  task_names.each do |task_name|
    task_info = JSON.parse(RestClient.get(File.join(@url, task_name, 'info') + '?_format=json'))
    IndiferentHash.setup(task_info)

    desc task_info[:description] if task_info.include? :description

    task_info[:inputs].each do |input_name|
      input_info = [input_name.to_sym] 
      IndiferentHash.setup(input_info)
      input_info << task_info[:input_types][input_name].to_sym if task_info[:input_types].include? input_name
      input_info << task_info[:input_descriptions][input_name] if task_info[:input_descriptions].include? input_name
      input_info << task_info[:input_defaults][input_name] if task_info[:input_defaults].include? input_name
      self.input *input_info
    end

    case task_info[:export]
    when "exec"
      export_exec task_name.to_sym
    when "synchronous"
      export_synchronous task_name.to_sym
    when "asynchronous"
      export_asynchronous task_name.to_sym
    end

    task task_name => task_info[:result_type] do |*inputs|
      raise "Placeholder, this should not execute"
    end
  end

  tasks.each do |name, task|
    class << task
      attr_accessor :url
    end
    task.url = @url
  end
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/rbbt/workflow/rest/client.rb', line 8

def name
  @name
end

#url ⇒ Object

Returns the value of attribute url.



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# File 'lib/rbbt/workflow/rest/client.rb', line 8

def url
  @url
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/rbbt/workflow/rest/client.rb', line 9

def to_s
  @name
end