# AWS::Record is an ORM built on top of AWS services.

module Record

autoload :AbstractBase, 'aws/record/abstract_base'

autoload :Attributes, 'aws/record/attributes'

autoload :Base, 'aws/record/model'

autoload :Conversion, 'aws/record/conversion'

autoload :DirtyTracking, 'aws/record/dirty_tracking'

autoload :Errors, 'aws/record/errors'

autoload :HashModel, 'aws/record/hash_model'

autoload :Model, 'aws/record/model'

autoload :Naming, 'aws/record/naming'

autoload :Scope, 'aws/record/scope'

autoload :Validations, 'aws/record/validations'

# errors

autoload :RecordNotFound, 'aws/record/exceptions'

autoload :InvalidRecordError, 'aws/record/exceptions'

autoload :EmptyRecordError, 'aws/record/exceptions'

autoload :UndefinedAttributeError, 'aws/record/exceptions'

# validators

autoload :AcceptanceValidator, 'aws/record/validators/acceptance'

autoload :BlockValidator, 'aws/record/validators/block'

autoload :ConfirmationValidator, 'aws/record/validators/confirmation'

autoload :CountValidator, 'aws/record/validators/count'

autoload :ExclusionValidator, 'aws/record/validators/exclusion'

autoload :FormatValidator, 'aws/record/validators/format'

autoload :InclusionValidator, 'aws/record/validators/inclusion'

autoload :LengthValidator, 'aws/record/validators/length'

autoload :MethodValidator, 'aws/record/validators/method'

autoload :NumericalityValidator, 'aws/record/validators/numericality'

autoload :PresenceValidator, 'aws/record/validators/presence'

autoload :Validator, 'aws/record/validator'

# Sets a prefix to be applied to all SimpleDB domains associated with

# AWS::Record::Base classes.

#

# AWS::Record.domain_prefix = 'production_'

#

# class Product < AWS::Record::Base

# set_shard_name 'products'

# end

#

# p = Product.new

# p.shard #=> 'products'

# p.save # the product is persisted to the 'production-products' domain

#

# @param [String] prefix A prefix to append to all domains. This is useful

# for grouping domains used by one application with a single prefix.

#

def self.domain_prefix= prefix

@domain_prefix = prefix

end

# @return [String,nil] The string that is prepended to all domain names.

def self.domain_prefix

@domain_prefix

end

# Sets a prefix to be applied to all DynamoDB tables associated

# with {AWS::Record::HashModel} and {AWS::Record::ListModel}

# classes.

#

# AWS::Record.table_prefix = 'production_'

#

# class Product < AWS::Record::HashModel

# set_shard_name 'products'

# end

#

# p = Product.new

# p.shard #=> 'products'

# p.save # the product is persisted to the 'production-products' table

#

# @param [String] prefix A prefix to append to all tables. This is

# useful for grouping tables used by one application with a

# single prefix.

#

def self.table_prefix= prefix

@table_prefix = prefix

end

# @return [String,nil] The string that is prepended to all table names.

def self.table_prefix

@table_prefix

end

# A utility method for casting values into an array.

#

# * nil is returned as an empty array, []

# * Arrays are returned unmodified

# * Everything else is returned as the sole element of an array

#

# @param [Object] value

# @return [Array] The value cast into an array

# @api private

def self.as_array value

case value

when nil then []

when Set then value.to_a

when Array then value

else [value]

end

end

# A utility method for casting values into

#

# * Sets are returned unmodified

# * everything else is passed through #{as_array} and then into a new Set

#

# @param [Object] value

# @return [Set] The value cast into a Set.

# @api private

def self.as_set value

case value

when Set then value

else Set.new(as_array(value))

end

end

end