-- @name			MTTL extension
-- @version			0.9
-- @domains			Software product line, request management systems
-- @authors			Marcos Didonet Del Fabro and Orlando Avila-García
-- @date			2007/03/28
-- @description		used to defined an extension of MTTL
-- @see				http://www.eclipse.org/gmt/amw, http://www.opencanarias.com

package mmw_mttl {

	class TransformationModel extends WModel{
		
		-- name is inherited from Welement
		attribute type : TransformationType;
		            
		-- @subsets wovenModel
		reference featureModel container : MTTLModelRef;
		        
		-- @subsets wovenModel
		reference templateModel container : MTTLModelRef;
		                
		-- @subsets ownedElement
		reference mappings [*] container : MappingLink;
		        
	}
	
	-- @welementRefType MTTLElementRef
	class MTTLModelRef extends WModelRef {
	}
	        
	-- @wmodelRefType MTTLModelRef
	class MTTLElementRef extends WElementRef {
	}       
	
	-- @wmodelRefType MTTLModelRef 
	class MTTLElementRef extends WElementRef {
	}
	       
	abstract class MappingLink extends WLink {
		attribute exist : Boolean;
		attribute collection : String;
		
	   -- @subsets end         
	    reference feature container : WovenElement;
	            
	    -- @subsets end         
	    reference source container : WovenElement;
	
	    -- @subsets end         
	    reference target container : WovenElement;

	}
	        
	class Clear extends MappingLink {
	}

	class Remove extends MappingLink { 
	}

	class Select extends MappingLink { 
	}

	class Insert extends MappingLink { 
	}
	        
	class WovenElement extends WLinkEnd {
	}

	enumeration TransformationType {
		literal OVERWRITTING;
		literal CLONING;    
	}       

}