Class: GitQueue::Queue

Inherits:
Object
  • Object
show all
Defined in:
lib/git_queue/queue.rb

Overview

Queue

Defined Under Namespace

Classes: Configure

Constant Summary collapse

@@push_message = 
-> (item) { "Add item #{item}" }
@@pop_message = 
-> (item) { "Pop item #{item}" }
@@switch_message = 
-> (left, right) { "Switch #{left} with #{right}" }

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Queue

Returns a new instance of Queue.



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# File 'lib/git_queue/queue.rb', line 28

def initialize(name)
  @name = name
  @queue = []
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/git_queue/queue.rb', line 26

def name
  @name
end

Instance Method Details

#down(index) ⇒ Object 



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# File 'lib/git_queue/queue.rb', line 62

def down(index)
  sync
  return queue if index < 0 || @queue.size - 2 < index
  _switch(index, index + 1)
  store(@@switch_message.call(@queue[index + 1], @queue[index]))
end

#history(length = nil) ⇒ Object 



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# File 'lib/git_queue/queue.rb', line 69

def history(length = nil)
  @storage.history(length)
end

#pop ⇒ Object 



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# File 'lib/git_queue/queue.rb', line 40

def pop
  sync
  ret = @queue.shift
  store(@@pop_message.call(ret))
  ret
end

#push(task) ⇒ Object Also known as: << 



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# File 'lib/git_queue/queue.rb', line 33

def push(task)
  sync
  @queue << task
  store(@@push_message.call(task))
end

#queue ⇒ Object 



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# File 'lib/git_queue/queue.rb', line 73

def queue
  sync
  @queue.dup
end

#switch(l_index, r_index) ⇒ Object 



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# File 'lib/git_queue/queue.rb', line 47

def switch(l_index, r_index)
  sync
  return queue if l_index < 0 || @queue.size - 1 < l_index
  return queue if r_index < 0 || @queue.size - 1 < r_index
  _switch(l_index, r_index)
  store(@@switch_message.call(@queue[r_index], @queue[l_index]))
end

#up(index) ⇒ Object 



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# File 'lib/git_queue/queue.rb', line 55

def up(index)
  sync
  return queue if index <= 0 || @queue.size - 1 < index
  _switch(index, index - 1)
  store(@@switch_message.call(@queue[index - 1], @queue[index]))
end