Class: Gloo::Persist::PersistMan

Inherits:
Object
  • Object
show all
Defined in:
lib/gloo/persist/persist_man.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PersistMan

Contructor for the persistence manager.



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# File 'lib/gloo/persist/persist_man.rb', line 18

def initialize
  @maps = []
end

Instance Attribute Details

#maps ⇒ Object (readonly)

Returns the value of attribute maps.



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# File 'lib/gloo/persist/persist_man.rb', line 13

def maps
  @maps
end

Instance Method Details

#file_ext ⇒ Object

Get the default file extention.



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# File 'lib/gloo/persist/persist_man.rb', line 104

def file_ext
  return '.gloo'
end

#get_full_path_names(name) ⇒ Object

Get the full path and name of the file.



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# File 'lib/gloo/persist/persist_man.rb', line 70

def get_full_path_names( name )
  return nil if name.strip.empty?

  if name.strip[ -1 ] == '*'
    pns = []
    dir = File.join( $settings.project_path, name[ 0..-2 ] )
    Dir.glob( "#{dir}*.gloo" ).each do |f|
      pns << f
    end
    return pns
  else
    ext_path = File.expand_path( name )
    return [ ext_path ] if self.gloo_file?( ext_path )

    full_name = "#{name}#{file_ext}"
    return [ File.join( $settings.project_path, full_name ) ]
  end
end

#gloo_file?(name) ⇒ Boolean

Check to see if a given path name refers to a gloo object file.



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# File 'lib/gloo/persist/persist_man.rb', line 92

def gloo_file?( name )
  return false unless name
  return false unless File.exist?( name )
  return false unless File.file?( name )
  return false unless name.end_with?( self.file_ext )

  return true
end

#load(name) ⇒ Object

Load the object from the file.



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# File 'lib/gloo/persist/persist_man.rb', line 54

def load( name )
  pns = get_full_path_names name
  return unless pns

  pns.each do |pn|
    $log.debug "Load file(s) at: #{pn}"
    fs = Gloo::Persist::FileStorage.new( pn )
    fs.load
    @maps << fs
    $engine.event_manager.on_load fs.obj
  end
end

#save(name = '') ⇒ Object

Save one object to the file.



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# File 'lib/gloo/persist/persist_man.rb', line 25

def save( name = '' )
  if name.nil? || name.strip.empty?
    save_all
  else
    save_one name
  end
end

#save_all ⇒ Object

Save one object to the file.



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# File 'lib/gloo/persist/persist_man.rb', line 36

def save_all
  @maps.each( &:save )
end

#save_one(name) ⇒ Object

Save one object to the file.



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# File 'lib/gloo/persist/persist_man.rb', line 43

def save_one( name )
  ref = Gloo::Core::Pn.new name
  obj = ref.resolve
  pn = get_full_path_name name
  fs = Gloo::Persist::FileStorage.new( pn, obj )
  fs.save
end

#show_maps ⇒ Object

Print out all object - persistance mappings. This is a debugging tool.



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# File 'lib/gloo/persist/persist_man.rb', line 112

def show_maps
  @maps.each do |o|
    puts " \t #{o.pn} \t #{o.obj.name}"
  end
end