class EDI::Diagram::Node
A
Node
is essentially the representation of a segment in a diagram. It comes in two flavors: Simple nodes (SNode
) and T-nodes (TNode
) which may have “tails”. “Node” is an abstract class - either create a SNode
or a TNode
.
Attributes
index[RW]
maxrep[R]
name[RW]
status[R]
Public Class Methods
create(name, status, rep)
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name
-
The node’s name, e.g. the segment tag
status
-
A
one-char string like ‘M’ (mandatory), ‘C’ (conditional) rep
-
The max. number of repetitions of this node as allowed by the diagram specs.
# File lib/edi4r/diagrams.rb, line 374 def Node.create(name, status, rep) case name when /^SG\d+$/ # T-Node return TNode.new(name, status, rep) else # Simple node return SNode.new(name, status, rep) end end
Public Instance Methods
required?()
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# File lib/edi4r/diagrams.rb, line 393 def required? (@status =~ /[MR]/) ? true : false end
tail()
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to_s()
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# File lib/edi4r/diagrams.rb, line 389 def to_s "%3d - %s, %s, %d" % [@index, @name, @status, @maxrep] end