lib/packages/core-classes.js
function(data_source) {

		if (Lava.schema.DEBUG && !data_source.isCollection) Lava.t("Wrong argument supplied for DataView constructor");
		this._data_source = data_source;

	}
function(data_source) {

		if (Lava.schema.DEBUG && !data_source.isCollection) Lava.t("Wrong argument supplied for DataView constructor");
		this._data_source = data_source;

	}
function ( data_source ) { if ( Lava . schema . DEBUG && ! data_source . isCollection ) Lava . t ( "Wrong argument supplied for DataView constructor" ) ; this . _data_source = data_source ; }
Set new `_data_source`
@param {Lava.system.CollectionAbstract} data_source
Set new _data_source