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Contents
require 'ncs_navigator/mdes'
module NcsNavigator::Mdes
##
# One table in the MDES.
class TransmissionTable
##
# Creates a new instance from an `xs:element` describing the table.
#
# @return [TransmissionTable] the created instance.
def self.from_element(element, options={})
log = options[:log] || NcsNavigator::Mdes.default_logger
new(element['name']).tap do |table|
table.variables = element.
xpath('xs:complexType/xs:sequence/xs:element', SourceDocuments.xmlns).
collect { |col_elt| Variable.from_element(col_elt, options) }
end
end
##
# @return [String] the machine name of the table. This is also the name of the XML
# element in the VDR export.
attr_reader :name
##
# @return [Array<Variable>] the variables that make up this
# table. (A relational model might call these the columns of this
# table.)
attr_accessor :variables
def initialize(name)
@name = name
end
##
# Search for a variable by name.
#
# @param variable_name [String] the name of the variable to look for.
# @return [Variable] the variable with the given name, if any
def [](variable_name)
variables.find { |c| c.name == variable_name }
end
##
# Provides a briefer inspection for cleaner IRB use.
#
# @return [String]
def inspect
"\#<#{self.class} name=#{name.inspect}>"
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems