class Wongi::Engine::Ruleset

Public Class Methods

[](name) click to toggle source
# File lib/wongi-engine/ruleset.rb, line 7
def [] name
  raise Error, "undefined ruleset #{name}" unless rulesets.has_key?( name )
  rulesets[ name ]
end
new(name = nil) click to toggle source
# File lib/wongi-engine/ruleset.rb, line 27
def initialize name = nil
  @rules = []
  self.name( name ) if name
end
register(name, ruleset) click to toggle source
# File lib/wongi-engine/ruleset.rb, line 12
def register name, ruleset
  raise Error, "ruleset #{name} already exists" if rulesets.has_key?( name )
  rulesets[ name ] = ruleset
end
reset() click to toggle source
# File lib/wongi-engine/ruleset.rb, line 21
def reset
  @rulesets = { }
end
rulesets() click to toggle source
# File lib/wongi-engine/ruleset.rb, line 17
def rulesets
  @rulesets ||= {}
end

Public Instance Methods

inspect() click to toggle source
# File lib/wongi-engine/ruleset.rb, line 32
def inspect
  "<Ruleset #{name}>"
end
install(rete) click to toggle source
# File lib/wongi-engine/ruleset.rb, line 36
def install rete
  # puts "Installing ruleset #{name}"
  @rules.each { |rule| rete << rule }
rescue StandardError => e
  e1 = Error.new "error installing ruleset '#{name||'<unnamed>'}': #{e}"
  e1.set_backtrace e.backtrace
  raise e1
end
name(name = nil) click to toggle source
# File lib/wongi-engine/ruleset.rb, line 45
def name name = nil
  if name && ! @name
    self.class.register name, self
    @name = name
  end
  @name
end
query(name, &definition) click to toggle source
# File lib/wongi-engine/ruleset.rb, line 65
def query name, &definition
  r = DSL::Query.new name
  r.instance_eval &definition
  @rules << r
  r
end
rule(name, &definition) click to toggle source

def uri uri = nil

@uri = uri if uri
@uri

end

# File lib/wongi-engine/ruleset.rb, line 58
def rule name, &definition
  r = DSL::Rule.new name
  r.instance_eval &definition
  @rules << r
  r
end