Class: Fairy::VArray

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/fairy/share/varray.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(arrays_size) ⇒ VArray

size がまだ決まっていないときには nil を指定する



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# File 'lib/fairy/share/varray.rb', line 17

def initialize(arrays_size)
  @arrays = []
  @arrays_size = arrays_size
  @arrays_mutex = Mutex.new
  @arrays_cv = XThread::ConditionVariable.new
end

Class Method Details

.output(fairy, opts) ⇒ Object 



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# File 'lib/fairy/share/varray.rb', line 12

def self.output(fairy, opts)
  OutputVArray.output(fairy, opts)
end

Instance Method Details

#[](idx) ⇒ Object 



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# File 'lib/fairy/share/varray.rb', line 32

def [](idx)
  case idx
  when Integer
	ary_idx, idx = index_on_arrays(idx)
	return @arrays[ary_idx][idx]
  when Range
	ERR::Raise ERR::NoSupportClass, idx
  else
	ERR::Raise ERR::NoSupportClass, idx
  end
end

#[]=(idx, val) ⇒ Object 



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# File 'lib/fairy/share/varray.rb', line 44

def []=(idx, val)
  case idx
  when Integer
	ary_idx, idx = index_on_arrays(idx)
	return @arrays[ary_idx][idx]=val
  else
	ERR::Raise ERR::NoSupportClass, idx
  end
end

#arrays_at(idx) ⇒ Object 



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# File 'lib/fairy/share/varray.rb', line 108

def arrays_at(idx)
  @arrays_mutex.synchronize do
	while @arrays[idx].nil?
	  @arrays_cv.wait(@arrays_mutex)
	end
	@arrays[idx]
  end
end

#arrays_each(&block) ⇒ Object 



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# File 'lib/fairy/share/varray.rb', line 134

def arrays_each(&block)
  # array_size=されるまでまっている.
  arrays_size.times do |idx|
	ary = nil
	@arrays_mutex.synchronize do
	  while @arrays[idx].nil?
 @arrays_cv.wait(@arrays_mutex)
	  end
	  ary = @arrays[idx]
	end
	yield ary
  end
end

#arrays_put(idx, array) ⇒ Object

def set_arrays(array)

  @arrays_mutex.synchronize do
end



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# File 'lib/fairy/share/varray.rb', line 101

def arrays_put(idx, array)
  @arrays_mutex.synchronize do
	@arrays[idx] = array
	@arrays_cv.broadcast
  end
end

#arrays_size ⇒ Object

arrays 操作



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# File 'lib/fairy/share/varray.rb', line 69

def arrays_size
  @arrays_mutex.synchronize do
	while @arrays_size.nil?
	  @arrays_cv.wait(@arrays_mutex)
	end
	@arrays_size
  end
end

#arrays_size=(arrays_size) ⇒ Object 



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# File 'lib/fairy/share/varray.rb', line 78

def arrays_size=(arrays_size)
  @arrays_mutex.synchronize do
	@arrays_size = arrays_size
	@arrays_cv.broadcast
  end
end

#each(&block) ⇒ Object 



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# File 'lib/fairy/share/varray.rb', line 54

def each(&block)
  # set_arrayされるまでまっている.
  arrays_size.times do |idx|
	ary = nil
	@arrays_mutex.synchronize do
	  while @arrays[idx].nil?
 @arrays_cv.wait(@arrays_mutex)
	  end
	  ary = @arrays[idx]
	end
	ary.each(&block)
  end
end

#index_on_arrays(idx) ⇒ Object 



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# File 'lib/fairy/share/varray.rb', line 117

def index_on_arrays(idx)
  # array_size=されるまでまっている.
  arrays_size.times do |ary_idx|
	ary = nil
	@arrays_mutex.synchronize do
	  while !(ary = @arrays[ary_idx])
 @arrays_cv.wait(@arrays_mutex)
	  end
	end
	ary_size = ary.size
	if idx < ary_size
	  return ary_idx, idx
	end
	idx -= ary_size
  end
end

#size ⇒ Object 



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# File 'lib/fairy/share/varray.rb', line 24

def size
  size = 0
  arrays_each do |array|
	size += array.size
  end
  size
end