Class: Rfm::Result::Record

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(row_element, resultset, fields, layout, portal = nil) ⇒ Record

Returns a new instance of Record.



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# File 'lib/rfm_result.rb', line 49

def initialize(row_element, resultset, fields, layout, portal=nil)
  @record_id = row_element.attributes['record-id']
  @mod_id = row_element.attributes['mod-id']
  @mods = {}
  @resultset = resultset
  @layout = layout
  
  @loaded = false
  
  row_element.each_element('field') { |field| 
    field_name = field.attributes['name']
    field_name.sub!(Regexp.new(portal + '::'), '') if portal
    datum = []
    field.each_element('data') {|x| datum.push(fields[field_name].coerce(x.text))}
    if datum.length == 1
      self[field_name] = datum[0]
    elsif datum.length == 0
      self[field_name] = nil
    else
      self[field_name] = datum
    end
  }
  
  @portals = {}
  row_element.each_element('relatedset') { |relatedset|
    table = relatedset.attributes['table']
    records = []
    relatedset.each_element('record') { |record|
      records << Record.new(record, @resultset, @resultset.portals[table], @layout, table)
    }
    @portals[table] = records
  }
  
  @loaded = true
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(symbol, *attrs) ⇒ Object 



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# File 'lib/rfm_result.rb', line 106

def method_missing (symbol, *attrs)
  # check for simple getter
  val = self[symbol.to_s]
  return val if val != nil

  # check for setter
  symbol_name = symbol.to_s
  if symbol_name[-1..-1] == '=' && self.has_key?(symbol_name[0..-2])
    return @mods[symbol_name[0..-2]] = attrs[0]
  end
  super
end

Instance Attribute Details

#mod_id ⇒ Object (readonly)

Returns the value of attribute mod_id.



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# File 'lib/rfm_result.rb', line 85

def mod_id
  @mod_id
end

#portals ⇒ Object (readonly)

Returns the value of attribute portals.



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# File 'lib/rfm_result.rb', line 85

def portals
  @portals
end

#record_id ⇒ Object (readonly)

Returns the value of attribute record_id.



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# File 'lib/rfm_result.rb', line 85

def record_id
  @record_id
end

Instance Method Details

#[]=(name, value) ⇒ Object 



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# File 'lib/rfm_result.rb', line 97

def []=(name, value)
  return super if !@loaded
  if self[name] != nil
    @mods[name] = val
  else
    raise "No such field: #{name}"
  end
end

#respond_to?(symbol, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rfm_result.rb', line 119

def respond_to?(symbol, include_private = false)
  return true if self[symbol.to_s] != nil
  super
end

#save ⇒ Object 



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# File 'lib/rfm_result.rb', line 87

def save
  self.merge(@layout.edit(self.record_id, @mods)[0]) if @mods.size > 0
  @mods.clear
end

#save_if_not_modified ⇒ Object 



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# File 'lib/rfm_result.rb', line 92

def save_if_not_modified
  self.merge(@layout.edit(@record_id, @mods, {'-modid' => @mod_id})[0]) if @mods.size > 0
  @mods.clear
end