Class: ThreadPool::Worker

Inherits:
Object
  • Object
show all
Defined in:
lib/bulkmail/thread_pool.rb

Overview

The Worker class starts a thread for performing work. A worker thread sleeps until it receives a block for processing, at which time it is considered busy. Once the block has been processed, the worker is considered available again.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Worker

Starts the worker thread.



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# File 'lib/bulkmail/thread_pool.rb', line 19

def initialize
  @mutex = Mutex.new
  @thread = Thread.new do
    while true
      sleep 0.001
      block = get_block
      if block
        block.call
        reset_block
      end
    end
  end
end

Instance Method Details

#busy? ⇒ Boolean

Returns true if the worker is busy processing a block.

Returns:

  • (Boolean) 


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# File 'lib/bulkmail/thread_pool.rb', line 50

def busy?
  @mutex.synchronize {!@block.nil?}
end

#get_block ⇒ Object

Returns the block to be processed, if any.



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# File 'lib/bulkmail/thread_pool.rb', line 34

def get_block
  @mutex.synchronize {@block}
end

#reset_block ⇒ Object

Resets the block instance variable to signify that the worker is available.



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# File 'lib/bulkmail/thread_pool.rb', line 45

def reset_block
  @mutex.synchronize {@block = nil}
end

#set_block(block) ⇒ Object

Sets the block to be processed.



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# File 'lib/bulkmail/thread_pool.rb', line 39

def set_block(block)
  @mutex.synchronize {@block = block}
end