Class: FunctionChain::BaseChain

Inherits:
Object
  • Object
show all
Defined in:
lib/function_chain/base_chain.rb

Overview

Base class of PullChain, RelayChain

Direct Known Subclasses

PullChain, RelayChain

Instance Method Summary collapse

Instance Method Details

#add(function = nil, &block) ⇒ Object

Add function to chain

Example: add(value) or add { your code }



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# File 'lib/function_chain/base_chain.rb', line 13

def add(function = nil, &block)
  insert(chain_elements.size, function, &block)
end

#add_all(*functions) ⇒ Object

Add functions to chain



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# File 'lib/function_chain/base_chain.rb', line 5

def add_all(*functions)
  insert_all(chain_elements.size, *functions)
  self
end

#clear ⇒ Object

Clear function chain



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# File 'lib/function_chain/base_chain.rb', line 43

def clear
  chain_elements.clear
  self
end

#delete_at(index) ⇒ Object

Delete from chain



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# File 'lib/function_chain/base_chain.rb', line 37

def delete_at(index)
  chain_elements.delete_at(index)
  self
end

#insert(index, function = nil, &block) ⇒ Object

Insert function to chain

Example: insert(i, value) or insert(i) { your code }



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# File 'lib/function_chain/base_chain.rb', line 26

def insert(index, function = nil, &block)
  validate_exclusive_value(function, block)
  case function
  when String then do_insert_by_string(index, function)
  when NilClass then do_insert(index, block)
  else do_insert(index, function)
  end
  self
end

#insert_all(index, *functions) ⇒ Object

Insert functions to chain



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# File 'lib/function_chain/base_chain.rb', line 18

def insert_all(index, *functions)
  functions.each_with_index { |f, i| insert(index + i, f) }
  self
end

#to_s ⇒ Object 



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# File 'lib/function_chain/base_chain.rb', line 48

def to_s
  "#{self.class}#{chain_elements.map(&:to_s)}"
end