Class: DependencyTree

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

Instance Method Summary collapse

Constructor Details

#initialize(dependency_map) ⇒ DependencyTree

Returns a new instance of DependencyTree.



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# File 'lib/dependency_tree.rb', line 24

def initialize dependency_map
  @dependency_map = dependency_map
end

Instance Method Details

#next_node(current) ⇒ Object 



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# File 'lib/dependency_tree.rb', line 39

def next_node current
  return nil if current.to_s.strip.length == 0
  return nil if @dependency_map.nil? || @dependency_map.class.to_s != GlobalConstants::HASH || @dependency_map.empty?

  current = GlobalConstants::ROOT  if @dependency_map[GlobalConstants::ROOT][GlobalConstants::PROJECTNAME] == current
  if @dependency_map[current].has_key? GlobalConstants::NEXT
    next_node = @dependency_map[current][GlobalConstants::NEXT]
    next_node = @dependency_map[next_node]
    next_node = Hashit.new next_node if !next_node.nil?
  end
end

#previous_node(current) ⇒ Object 



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# File 'lib/dependency_tree.rb', line 51

def previous_node current
  return nil if current.to_s.strip.length == 0
  return nil if @dependency_map.nil? || @dependency_map.class.to_s != GlobalConstants::HASH || @dependency_map.empty?

  if @dependency_map[current].has_key? GlobalConstants::PREVIOUS
    prev_node = @dependency_map[current][GlobalConstants::PREVIOUS]
    if @dependency_map[GlobalConstants::ROOT][GlobalConstants::PROJECTNAME] == prev_node
      prev_node = @dependency_map[GlobalConstants::ROOT]
    else
      prev_node = @dependency_map[prev_node]
    end
    return nil if prev_node.nil?
    return Hashit.new prev_node
  end
end

#root ⇒ Object 



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# File 'lib/dependency_tree.rb', line 28

def root
  return nil if @dependency_map.nil? || @dependency_map.class.to_s != GlobalConstants::HASH || @dependency_map.empty?

  if @dependency_map.has_key?(GlobalConstants::ROOT)
    if @dependency_map[GlobalConstants::ROOT].has_key? GlobalConstants::PROJECTNAME
      root_node = Hashit.new @dependency_map[GlobalConstants::ROOT]
      root_node
    end
  end
end

#traverse {|current| ... } ⇒ Object

Yields:

  • (current) 


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# File 'lib/dependency_tree.rb', line 67

def traverse
  current = GlobalConstants::ROOT
  current = @dependency_map[current]
  current = Hashit.new current
  yield current
  while current != nil
    begin
      current = next_node current.project_name
    rescue
      #puts $!
      current = nil
    end
    yield current if !current.nil?
  end
end