Class: Twb::Util::Graphnode

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/twb/util/graphnode.rb

Overview

< TabClass

Constant Summary collapse

@@hasher =
Digest::SHA256.new
@@stripChars =
/[.: %-\-\(\)=]/
@@replChar =
'_'
@@typeShapes =
{ :CalculatedField   => 'shape=note',
  :DBTable           => 'shape=ellipse',
  :TwbDataConnection => '',
  :DatabaseField     => ''
}
@@typeColors =
{ :CalculatedField   => 'fillcolor=lightskyblue3',
  :DBTable           => 'fillcolor=steelblue',
  :TwbDataConnection => 'fillcolor=cornflowerblue',
  :DatabaseField     => 'fillcolor=grey',
}
@@typeStyles =
{ :CalculatedField   => 'style=filled',
  :DBTable           => 'style=filled',
  :TwbDataConnection => 'style=filled',
  :DatabaseField     => 'style=filled'
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name:, id:, type:, properties: {}) ⇒ Graphnode

Returns a new instance of Graphnode.


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# File 'lib/twb/util/graphnode.rb', line 51

def initialize (name:, id:, type:, properties: {})
  # puts "graphNode : t: %-20s  tc: %s " % [type, type.class]
  @id           = id
  @uuid         = SecureRandom.uuid
# @type         = type.instance_of?(Class) ? type      : type.class
  @type         = resolveType type 
  # puts "          : t: %-20s  tc: %s \n " % [@type, @type.class]
  @name         = name
  @colour       = nil
  @properties   = properties
  @properties['name'] = name unless @properties.key? 'name'
  if @name.nil? 
    raise ArgumentError, "Graphnode Initialize Error - name:'#{@name}' id:'#{@id}'  type:'#{type}' properties:'@properties.inspect'"
  end
end

Instance Attribute Details

#colourObject

Returns the value of attribute colour


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# File 'lib/twb/util/graphnode.rb', line 49

def colour
  @colour
end

#dotidObject (readonly)

Returns the value of attribute dotid


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# File 'lib/twb/util/graphnode.rb', line 48

def dotid
  @dotid
end

#idObject (readonly)

Returns the value of attribute id


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# File 'lib/twb/util/graphnode.rb', line 48

def id
  @id
end

#nameObject (readonly)

Returns the value of attribute name


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# File 'lib/twb/util/graphnode.rb', line 48

def name
  @name
end

#propertiesObject

Returns the value of attribute properties


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# File 'lib/twb/util/graphnode.rb', line 49

def properties
  @properties
end

#typeObject (readonly)

Returns the value of attribute type


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# File 'lib/twb/util/graphnode.rb', line 48

def type
  @type
end

#uuidObject (readonly)

Returns the value of attribute uuid


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# File 'lib/twb/util/graphnode.rb', line 48

def uuid
  @uuid
end

Instance Method Details

#<=>(other) ⇒ Object


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# File 'lib/twb/util/graphnode.rb', line 120

def <=>(other)
  hash <=> other.hash
end

#deModule(fqClass) ⇒ Object


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# File 'lib/twb/util/graphnode.rb', line 78

def deModule fqClass
  fqClass.class.name.split('::').last
end

#dotLabelObject


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# File 'lib/twb/util/graphnode.rb', line 86

def dotLabel
  "%s [label=\"%s\"  %s %s ]" % [dotid, name.gsub('"','\"'), @@typeShapes[@type], @@typeColors[@type]] 
end

#dotquote(str) ⇒ Object


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# File 'lib/twb/util/graphnode.rb', line 94

def dotquote str
  ns = str.instance_of?(String) ? str.gsub(/(["])/,'\\"') : str.to_s
  return "\"#{ns}\""
end

#enquote(str) ⇒ Object


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# File 'lib/twb/util/graphnode.rb', line 82

def enquote str
  str.gsub("'","\\\\'")
end

#eql?(other) ⇒ Boolean

Returns:

  • (Boolean)

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# File 'lib/twb/util/graphnode.rb', line 99

def eql? other
  @name == other.name && @id == other.id && @type == other.type  && @properties == other.properties
end

#hashObject


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# File 'lib/twb/util/graphnode.rb', line 103

def hash
  [@name, @id, @type, @properties].hash
end

#props_sObject


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# File 'lib/twb/util/graphnode.rb', line 116

def props_s
  @props_s ||= @properties.map{|k,v| "#{k}: #{v.inspect}"}.join(', ')
end

#resolveType(type) ⇒ Object


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# File 'lib/twb/util/graphnode.rb', line 67

def resolveType type
     if type.instance_of?(Class) 
          deModule(type)
  elsif type.instance_of?(Symbol) 
          type.to_s 
  elsif type.instance_of?(String)
          type
  else  deModule(type)
  end
end

#to_sObject

def uuid

@uuid ||= @uuid = SecureRandom.uuid
# @uuid ||= Digest::MD5.hexdigest(id)

end


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# File 'lib/twb/util/graphnode.rb', line 112

def to_s
  "name:'%s'  id:'%s'  t:'%s'  p:%s" % [@name, @id, @type, @properties.to_s]
end