Class: SimplePipeline

Inherits:
Object
  • Object
show all
Defined in:
lib/simple_pipeline.rb,
lib/simple_pipeline/timeout.rb,
lib/simple_pipeline/version.rb

Defined Under Namespace

Modules: Timeout

Constant Summary collapse

VERSION = 
"0.0.5"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SimplePipeline

Returns a new instance of SimplePipeline.



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# File 'lib/simple_pipeline.rb', line 9

def initialize
    @pipe_order = []
    @pipe_config = {}
    @errors = []
end

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



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# File 'lib/simple_pipeline.rb', line 7

def errors
  @errors
end

Instance Method Details

#add(pipe, params = {}) ⇒ Object 



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# File 'lib/simple_pipeline.rb', line 15

def add (pipe, params = {})
    process_method = params[:process_method] || :process 

    begin
        raise ArgumentError, "invalid pipe - incorrect number of arguments for #{process_method}() method (should be 1)" unless pipe.class.instance_method(process_method).arity == 1
    rescue NameError
        raise ArgumentError, "invalid pipe - #{process_method}() method not found"
    end

    @pipe_order << pipe
    @pipe_config[pipe] = params

    return pipe
end

#process(payload) ⇒ Object 



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# File 'lib/simple_pipeline.rb', line 34

def process (payload)
    @pipe_order.each do |pipe|
        begin
            invoke_process_with_timeout(pipe, payload, get_timeout(pipe))
        rescue
            raise $! unless continue_on_error?($!, pipe)
            @errors << $!
        end
    end
end

#size ⇒ Object Also known as: length 



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# File 'lib/simple_pipeline.rb', line 30

def size
    return @pipe_order.size
end