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Versions: 6
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Contents
module DataMapper
module Validate
##
#
# @author Guy van den Berg
# @since 0.9
class ContextualValidators
def dump
contexts.each_pair do |key,context|
puts "Key=#{key} Context: #{context}"
end
end
# Get a hash of named context validators for the resource
#
# @return <Hash> a hash of validators <GenericValidator>
def contexts
@contexts ||= @contexts = {}
end
# Return an array of validators for a named context
#
# @return <Array> An array of validators
def context(name)
contexts[name] = [] unless contexts.has_key?(name)
contexts[name]
end
# Clear all named context validators off of the resource
#
def clear!
contexts.clear
end
# Execute all validators in the named context against the target
#
# @param <Symbol> named_context the context we are validating against
# @param <Object> target the resource that we are validating
# @return <Boolean> true if all are valid, otherwise false
def execute(named_context, target)
raise(ArgumentError, 'invalid context specified') if !named_context || (contexts.length > 0 && !contexts[named_context])
target.errors.clear!
result = true
context(named_context).each do |validator|
next unless validator.execute?(target)
result = false unless validator.call(target)
end
result
end
end # module ContextualValidators
end # module Validate
end # module DataMapper
Version data entries
6 entries across 6 versions & 2 rubygems