module Sqreen::Conditionable
A module that will dynamically had preconditions to the pre/post/failing callbacks
Attributes
failing_conditions[RW]
post_conditions[RW]
pre_conditions[RW]
Public Instance Methods
condition_callbacks(conditions)
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Hook the necessary callback function
@param conditions [Hash] hash of callback names => conditions
# File lib/sqreen/conditionable.rb, line 15 def condition_callbacks(conditions) conditions = {} if conditions.nil? base = self.class %w(pre post failing).each do |cb| conds = conditions[cb] next unless base.method_defined?(cb) send("#{cb}_conditions=", ConditionEvaluator.new(conds)) unless conds.nil? defd = base.instance_variable_defined?("@conditional_hooked_#{cb}") next if defd && base.instance_variable_get("@conditional_hooked_#{cb}") base.send(:alias_method, "#{cb}_without_conditions", cb) base.send(:alias_method, cb, "#{cb}_with_conditions") base.instance_variable_set("@conditional_hooked_#{cb}", true) end end
failing_with_conditions(rv, inst, args, budget = nil, &block)
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# File lib/sqreen/conditionable.rb, line 42 def failing_with_conditions(rv, inst, args, budget = nil, &block) eargs = [nil, framework, inst, args, @data, rv] return nil if !failing_conditions.nil? && !failing_conditions.evaluate(*eargs) failing_without_conditions(rv, inst, args, budget, &block) end
post_with_conditions(rv, inst, args, budget = nil, &block)
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# File lib/sqreen/conditionable.rb, line 36 def post_with_conditions(rv, inst, args, budget = nil, &block) eargs = [nil, framework, inst, args, @data, rv] return nil if !post_conditions.nil? && !post_conditions.evaluate(*eargs) post_without_conditions(rv, inst, args, budget, &block) end
pre_with_conditions(inst, args, budget = nil, &block)
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# File lib/sqreen/conditionable.rb, line 30 def pre_with_conditions(inst, args, budget = nil, &block) eargs = [nil, framework, inst, args, @data, nil] return nil if !pre_conditions.nil? && !pre_conditions.evaluate(*eargs) pre_without_conditions(inst, args, budget, &block) end