Class: Objecheck::Validator::Collector

Inherits:
Object
  • Object
show all
Defined in:
lib/objecheck/validator/collector.rb

Overview

Collector is used in Validator#validate to aggregate errors

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(validator, parent = nil) ⇒ Collector

Returns a new instance of Collector.



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# File 'lib/objecheck/validator/collector.rb', line 22

def initialize(validator, parent = nil)
  @validator = validator
  @current_validation_result = true
  @current_rule_name = parent ? parent.current_rule_name : nil
  @prefix_stack = parent ? [parent.prefix_stack.join('')] : []
  @errors = []
  @current_t = nil
end

Instance Attribute Details

#current_rule_name ⇒ Object (readonly)

Returns the value of attribute current_rule_name.



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# File 'lib/objecheck/validator/collector.rb', line 20

def current_rule_name
  @current_rule_name
end

#current_t ⇒ Object (readonly)

Returns the value of attribute current_t.



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# File 'lib/objecheck/validator/collector.rb', line 20

def current_t
  @current_t
end

#prefix_stack ⇒ Object (readonly)

Returns the value of attribute prefix_stack.



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# File 'lib/objecheck/validator/collector.rb', line 20

def prefix_stack
  @prefix_stack
end

Instance Method Details

#add_error(msg) ⇒ Object 



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# File 'lib/objecheck/validator/collector.rb', line 38

def add_error(msg)
  @current_validation_result = false
  @errors << "#{@prefix_stack.join('')}: #{@current_rule_name}: #{msg}"
end

#add_prefix_in(prefix) ⇒ Object 



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# File 'lib/objecheck/validator/collector.rb', line 31

def add_prefix_in(prefix)
  @prefix_stack.push(prefix)
  yield
ensure
  @prefix_stack.pop
end

#commit(t) ⇒ Object 



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# File 'lib/objecheck/validator/collector.rb', line 66

def commit(t)
  check_transaction(t)
  @current_t = nil
  @errors.concat(t.errors)
end

#errors ⇒ Object 



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# File 'lib/objecheck/validator/collector.rb', line 56

def errors
  @errors.dup
end

#rollback(t) ⇒ Object 



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# File 'lib/objecheck/validator/collector.rb', line 72

def rollback(t)
  check_transaction(t)
  @current_t = nil
end

#transaction ⇒ Object

Raises:



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# File 'lib/objecheck/validator/collector.rb', line 60

def transaction
  raise Objecheck::Error, 'another transaction is already created' if @current_t

  @current_t = self.class.new(@validator, self)
end

#validate(target, rules) ⇒ Object 



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# File 'lib/objecheck/validator/collector.rb', line 43

def validate(target, rules)
  prev_rule_name = @current_rule_name
  prev_validation_result = @current_validation_result
  rules.each do |name, rule|
    @current_rule_name = name
    rule.validate(target, self)
  end
  @current_validation_result
ensure
  @current_rule_name = prev_rule_name
  @current_validation_result = prev_validation_result
end