Class: Treequel::Filter::PresentItemComponent

Inherits:

ItemComponent

• Object
• Component
• ItemComponent
• Treequel::Filter::PresentItemComponent

Defined in:

lib/treequel/filter.rb

Overview

A ‘present’ (attribute=*) component

Constant Summary

DEFAULT_ATTRIBUTE =

The default attribute to test for presence if none is specified

:objectClass

Instance Method Summary

• #initialize(attribute = DEFAULT_ATTRIBUTE) ⇒ PresentItemComponent constructor

  Create a new ‘presence’ item filter component for the given attribute.

• #promiscuous? ⇒ Boolean

  Returns true, indicating that this component in a filter will match every entry if its attribute is ‘objectClass’.

• #to_s ⇒ Object

  Stringify the component.

Methods inherited from Component

inherited, #inspect

Constructor Details

#initialize(attribute = DEFAULT_ATTRIBUTE) ⇒ PresentItemComponent

Create a new ‘presence’ item filter component for the given attribute.

# File 'lib/treequel/filter.rb', line 308

def initialize( attribute=DEFAULT_ATTRIBUTE )
  @attribute = attribute
end

Instance Method Details

#promiscuous? ⇒ Boolean

Returns true, indicating that this component in a filter will match every entry if its attribute is ‘objectClass’.

Returns:

• (Boolean)

# File 'lib/treequel/filter.rb', line 321

def promiscuous?
  return @attribute.to_sym == DEFAULT_ATTRIBUTE
end

#to_s ⇒ Object

Stringify the component

# File 'lib/treequel/filter.rb', line 314

def to_s
  return @attribute.to_s + '=*'
end