Class: Build::ChainNode

Inherits:
Graph::Node
  • Object
show all
Defined in:
lib/build/chain_node.rb

Overview

Responsible for processing a chain into a series of dependency nodes.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(chain, arguments, environment) ⇒ ChainNode

Returns a new instance of ChainNode.

Parameters:

  • chain (Chain) —

    the chain to build.

  • arguments (Array) —

    the arguments to pass to the output environment constructor.

  • anvironment (Build::Environment) —

    the root environment to prepend into the chain.



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# File 'lib/build/chain_node.rb', line 33

def initialize(chain, arguments, environment)
  @chain = chain
  @arguments = arguments
  @environment = environment
  
  # Wait here, for all dependent targets, to be done:
  super(Files::List::NONE, :inherit)
end

Instance Attribute Details

#arguments ⇒ Object (readonly)

Returns the value of attribute arguments.



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# File 'lib/build/chain_node.rb', line 43

def arguments
  @arguments
end

#chain ⇒ Object (readonly)

Returns the value of attribute chain.



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# File 'lib/build/chain_node.rb', line 42

def chain
  @chain
end

#environment ⇒ Object (readonly)

Returns the value of attribute environment.



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# File 'lib/build/chain_node.rb', line 44

def environment
  @environment
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/build/chain_node.rb', line 46

def == other
  super and
    @chain == other.chain and
    @arguments == other.arguments and
    @environment == other.environment
end

#apply!(task) ⇒ Object

This is the main entry point when invoking the node from ‘Build::Task`.



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# File 'lib/build/chain_node.rb', line 66

def apply!(task)
  # Go through all the dependencies in order and apply them to the build graph:
  @chain.dependencies.each do |dependency|
    task.invoke(
      DependencyNode.new(@chain, dependency, @environment, @arguments)
    )
  end
end

#hash ⇒ Object 



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# File 'lib/build/chain_node.rb', line 53

def hash
  super ^ @chain.hash ^ @arguments.hash ^ @environment.hash
end

#inspect ⇒ Object 



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# File 'lib/build/chain_node.rb', line 75

def inspect
  "#<#{self.class} #{@environment.inspect}>"
end

#name ⇒ Object 



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# File 'lib/build/chain_node.rb', line 61

def name
  @environment.name
end

#task_class(parent_task) ⇒ Object 



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# File 'lib/build/chain_node.rb', line 57

def task_class(parent_task)
  Task
end