Class: ActiveRecord::ConnectionAdapters::SpatiaLiteAdapter::SpatialColumn

Inherits:
ConnectionAdapters::SQLiteColumn
  • Object
show all
Defined in:
lib/active_record/connection_adapters/spatialite_adapter/spatial_column.rb

Constant Summary collapse

FACTORY_SETTINGS_CACHE = 
{}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(factory_settings_, table_name_, name_, default_, sql_type_ = nil, null_ = true) ⇒ SpatialColumn

Returns a new instance of SpatialColumn.



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# File 'lib/active_record/connection_adapters/spatialite_adapter/spatial_column.rb', line 53

def initialize(factory_settings_, table_name_, name_, default_, sql_type_=nil, null_=true)
  @factory_settings = factory_settings_
  @table_name = table_name_
  super(name_, default_, sql_type_, null_)
  @geometric_type = ::RGeo::ActiveRecord.geometric_type_from_name(sql_type_)
  @srid = 0
  if type == :spatial
    @limit = {:srid => @srid, :type => @geometric_type.type_name.underscore}
  end
  FACTORY_SETTINGS_CACHE[factory_settings_.object_id] = factory_settings_
end

Instance Attribute Details

#geometric_type ⇒ Object (readonly)

Returns the value of attribute geometric_type.



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# File 'lib/active_record/connection_adapters/spatialite_adapter/spatial_column.rb', line 75

def geometric_type
  @geometric_type
end

#srid ⇒ Object (readonly)

Returns the value of attribute srid.



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# File 'lib/active_record/connection_adapters/spatialite_adapter/spatial_column.rb', line 74

def srid
  @srid
end

Instance Method Details

#klass ⇒ Object 



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# File 'lib/active_record/connection_adapters/spatialite_adapter/spatial_column.rb', line 83

def klass
  type == :spatial ? ::RGeo::Feature::Geometry : super
end

#set_srid(val_) ⇒ Object 



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# File 'lib/active_record/connection_adapters/spatialite_adapter/spatial_column.rb', line 66

def set_srid(val_)
  @srid = val_
  if type == :spatial
    @limit[:srid] = @srid
  end
end

#spatial? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/connection_adapters/spatialite_adapter/spatial_column.rb', line 78

def spatial?
  type == :spatial
end

#type_cast(value_) ⇒ Object 



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# File 'lib/active_record/connection_adapters/spatialite_adapter/spatial_column.rb', line 88

def type_cast(value_)
  if type == :spatial
    SpatialColumn.convert_to_geometry(value_, @factory_settings, @table_name, name, @srid)
  else
    super
  end
end

#type_cast_code(var_name_) ⇒ Object 



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# File 'lib/active_record/connection_adapters/spatialite_adapter/spatial_column.rb', line 97

def type_cast_code(var_name_)
  if type == :spatial
    "::ActiveRecord::ConnectionAdapters::SpatiaLiteAdapter::SpatialColumn.convert_to_geometry("+
      "#{var_name_}, ::ActiveRecord::ConnectionAdapters::SpatiaLiteAdapter::SpatialColumn::"+
      "FACTORY_SETTINGS_CACHE[#{@factory_settings.object_id}], #{@table_name.inspect}, "+
      "#{name.inspect}, #{@srid})"
  else
    super
  end
end