Class: CIM::Class

Inherits:
NamedElement show all
Defined in:
lib/cim/class.rb

Overview

A Class is a central element in the object-oriented CIM schema

Classes can be derived from other classes, creating a hierachical model.

Classes have qualifiers to describe the class characteristics and contain features (properties or methods).

Direct Known Subclasses

Instance

Instance Attribute Summary collapse

Attributes inherited from NamedElement

#name, #qualifiers

Instance Method Summary collapse

Methods inherited from NamedElement

#<<, #include?

Constructor Details

#initialize(name, qualifiers = nil, alias_name = nil, superclass = nil, features = nil) ⇒ Class

Returns a new instance of Class.



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# File 'lib/cim/class.rb', line 51

def initialize name, qualifiers = nil, alias_name = nil, superclass = nil, features = nil
  @alias_name = alias_name
  @superclass = superclass
  features = nil if features.kind_of?(::Enumerable) && features.empty?
  @features = features
  #	puts "CIM::Class.new(#{@features})"
  super name, qualifiers
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/cim/class.rb', line 60

def method_missing name, *args
  @qualifiers[name]
end

Instance Attribute Details

#alias_name ⇒ Object (readonly)

Returns the value of attribute alias_name.



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# File 'lib/cim/class.rb', line 21

def alias_name
  @alias_name
end

#superclass ⇒ Object (readonly)

Returns the value of attribute superclass.



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# File 'lib/cim/class.rb', line 21

def superclass
  @superclass
end

Instance Method Details

#association? ⇒ Boolean

true if class has associations (association provider)

Returns:

  • (Boolean) 


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# File 'lib/cim/class.rb', line 101

def association?
  include? :association
end

#each_key ⇒ Object

Iterate over features flagged as keys



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# File 'lib/cim/class.rb', line 73

def each_key
  features.each do |f|
	yield f if f.key?
  end
end

#features ⇒ Object

Ensure features can be enumerated



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# File 'lib/cim/class.rb', line 67

def features
  @features || []
end

#indication? ⇒ Boolean

true if class has indications (indication provider)

Returns:

  • (Boolean) 


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# File 'lib/cim/class.rb', line 107

def indication?
  include? :indication
end

#instance? ⇒ Boolean

true if class has instances (instance provider)

Returns:

  • (Boolean) 


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# File 'lib/cim/class.rb', line 81

def instance?
  features.each do |f|
    next if f.reference?
	next if f.method?
	return true if f.property?
  end
  false
end

#method? ⇒ Boolean

true if class has methods (method provider)

Returns:

  • (Boolean) 


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# File 'lib/cim/class.rb', line 92

def method?
  features.each do |f|
	return true if f.method?
  end
  false
end

#to_s ⇒ Object

returns a string representation in MOF syntax format



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# File 'lib/cim/class.rb', line 113

def to_s
  s = ""
  s << "[#{@qualifiers.join(', ')}]\n" if @qualifiers
  s << "class #{@name}"
  s << " AS #{@alias_name}" if @alias_name
  s << " : #{@superclass}" if @superclass
  s << " {"
  if @features
	f = @features.join(";\n  ")
	s << "\n  #{f};\n" 
  end
  s << "}"
end