Class: CqlRuby::HierarchyPattern

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

Overview

TODO Move this under filter reader namespace.

Constant Summary collapse

SELF_MARKER = 
'X'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ancestors, descendants) ⇒ HierarchyPattern

Returns a new instance of HierarchyPattern.



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# File 'lib/cql_ruby/filter_reader.rb', line 24

def initialize(ancestors, descendants)
  @ancestors = ancestors
  @descendants = descendants
end

Instance Attribute Details

#ancestors ⇒ Object (readonly)

Returns the value of attribute ancestors.



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# File 'lib/cql_ruby/filter_reader.rb', line 21

def ancestors
  @ancestors
end

#descendants ⇒ Object (readonly)

Returns the value of attribute descendants.



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# File 'lib/cql_ruby/filter_reader.rb', line 22

def descendants
  @descendants
end

Class Method Details

.from(raw_value) ⇒ Object 



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# File 'lib/cql_ruby/filter_reader.rb', line 10

def self.from(raw_value)
  parts = raw_value.split('-')
  self_marker_idx = parts.index(SELF_MARKER)
  raise "Missing self marker '#{SELF_MARKER}' in hierarchy pattern." if self_marker_idx.nil?

  ancestors = parts[0...self_marker_idx]
  descendants = parts[self_marker_idx + 1..]

  new(ancestors, descendants)
end