Class: HL7::Message::SegmentGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/segment_generator.rb

Overview

Methods for creating segments in Message

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(element, last_seg, delimiter) ⇒ SegmentGenerator

Returns a new instance of SegmentGenerator.



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# File 'lib/segment_generator.rb', line 20

def initialize(element, last_seg, delimiter)
  @element = element
  @last_seg = last_seg
  @delimiter = delimiter

  @seg_parts = HL7::MessageParser.split_by_delimiter( element,
                                                      delimiter.element )
end

Instance Attribute Details

#delimiter ⇒ Object (readonly)

Returns the value of attribute delimiter.



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# File 'lib/segment_generator.rb', line 16

def delimiter
  @delimiter
end

#element ⇒ Object (readonly)

Returns the value of attribute element.



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# File 'lib/segment_generator.rb', line 15

def element
  @element
end

#last_seg ⇒ Object (readonly)

Returns the value of attribute last_seg.



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# File 'lib/segment_generator.rb', line 15

def last_seg
  @last_seg
end

#seg_name ⇒ Object

Returns the value of attribute seg_name.



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# File 'lib/segment_generator.rb', line 18

def seg_name
  @seg_name
end

#seg_parts ⇒ Object

Returns the value of attribute seg_parts.



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# File 'lib/segment_generator.rb', line 18

def seg_parts
  @seg_parts
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/segment_generator.rb', line 39

def build
  klass = get_segment_class
  new_seg = klass.new( @element, [@delimiter.element, @delimiter.item] )
  new_seg
end

#get_segment_class ⇒ Object 



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# File 'lib/segment_generator.rb', line 45

def get_segment_class
  segment_to_search = @seg_name.to_sym
  segment_to_search = @seg_name if RUBY_VERSION < "1.9"

  if HL7::Message::Segment.constants.index(segment_to_search)
    eval("HL7::Message::Segment::%s" % @seg_name)
  else
    HL7::Message::Segment::Default
  end
end

#valid_segments_parts? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/segment_generator.rb', line 29

def valid_segments_parts?
  return true if @seg_parts && @seg_parts.length > 0

  if HL7.ParserConfig[:empty_segment_is_error]
    raise HL7::EmptySegmentNotAllowed
  else
    return false
  end
end