Class: Taverna::Baclava::Node

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

Overview

An annotated data value.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value = nil, annotation = []) ⇒ Node

Create a new Node. If a list is passed in as the value then it is recursively processed into a list of Nodes.



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# File 'lib/baclava/node.rb', line 50

def initialize(value = nil, annotation = [])
  @syntactic_type = ""
  @value = value.nil? ? nil : _set_value(value)
  @annotation = annotation
end

Instance Attribute Details

#annotation ⇒ Object

A list of annotations on this Node.



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# File 'lib/baclava/node.rb', line 43

def annotation
  @annotation
end

#syntactic_type ⇒ Object (readonly)

The syntactic type of this node.



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# File 'lib/baclava/node.rb', line 46

def syntactic_type
  @syntactic_type
end

#value ⇒ Object

The value of this Node.



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# File 'lib/baclava/node.rb', line 40

def value
  @value
end

Class Method Details

.extract_node_data(node) ⇒ Object

Extract the data value(s) from this Node and return them in the same structure as the given Node.



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# File 'lib/baclava/node.rb', line 69

def Node.extract_node_data(node)
  case node
  when Hash
    hash = {}
    node.each { |k, v| hash[k] = Node.extract_node_data(v.value) }
    hash
  when Array
    list = []
    node.each { |n| list << Node.extract_node_data(n.value) }
    list
  when Taverna::Baclava::Node
    Node.extract_node_data(node.value)
  else
    node
  end
end

Instance Method Details

#==(other) ⇒ Object

Test for equality between this and another Node.



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# File 'lib/baclava/node.rb', line 63

def ==(other)
  @value == other.value and @annotation == other.annotation
end