Class: Locomotive::RelationalAlgebra::OffsetType

Inherits:
ColumnStructureEntry show all
Includes:
XML
Defined in:
lib/locomotive/relational_algebra/query_information.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from XML

included, #quote

Constructor Details

#initialize(offset, type) ⇒ OffsetType

Returns a new instance of OffsetType.



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# File 'lib/locomotive/relational_algebra/query_information.rb', line 186

def initialize(offset, type)
  @offset = offset
  @type   = type
end

Instance Attribute Details

#offset ⇒ Object (readonly)

Returns the value of attribute offset.



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# File 'lib/locomotive/relational_algebra/query_information.rb', line 183

def offset
  @offset
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/locomotive/relational_algebra/query_information.rb', line 183

def type
  @type
end

Instance Method Details

#clone ⇒ Object 



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# File 'lib/locomotive/relational_algebra/query_information.rb', line 199

def clone
  OffsetType.new(offset.clone,
                 type.clone)
end

#items ⇒ Object 



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# File 'lib/locomotive/relational_algebra/query_information.rb', line 191

def items
  [offset]
end

#offsets ⇒ Object 



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# File 'lib/locomotive/relational_algebra/query_information.rb', line 195

def offsets
  [self]
end

#to_xml ⇒ Object 



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# File 'lib/locomotive/relational_algebra/query_information.rb', line 204

def to_xml
  offset_ :item => offset.to_xml, :type => type.to_xml
end