Re: [emf-dev] Using custom EList implementation

[Ed Merks <merks@xxxxxxxxxx>]

Mikhail,

Please use the newsgroup to ask questions rather than the mailing list.

To do what you want, you'd need to use dynamic templates:

   http://wiki.eclipse.org/index.php/EMF-FAQ#How_do_I_use_Dynamic_Templates.3F

This is the part you'd need to change:

      public <%=genFeature.getImportedType(genClass)%> <%=genFeature.
getGetAccessor()%>()
      {
<%@ include file="Class/getGenFeature.pre.insert.javajetinc" fail="silent"
%>
    <%if (genModel.isReflectiveDelegation()) {%>
            return <%if (genFeature.isPrimitiveType()) {%>(<%}%>(<%=
genFeature.getObjectType(genClass)%>)eGet(<%=
genFeature.getQualifiedFeatureAccessor()%>, true)<%if
(genFeature.isPrimitiveType()) {%>).<%=
genFeature.getPrimitiveValueFunction()%>()<%}%>;
    <%} else if (!genFeature.isVolatile()) {%>
      <%if (genFeature.isListType()) {%>
        <%if (genModel.isVirtualDelegation()) {%>
            <%=genFeature.getImportedType(genClass)%> <%=
genFeature.getSafeName()%> = (<%=genFeature.getImportedType(genClass)%>
)eVirtualGet(<%=genClass.getQualifiedFeatureID(genFeature)%><%=
positiveOffsetCorrection%>);
        <%}%>
            if (<%=genFeature.getSafeName()%> == null)
            {
        <%if (genModel.isVirtualDelegation()) {%>
                  eVirtualSet(<%=genClass.getQualifiedFeatureID(genFeature)
%><%=positiveOffsetCorrection%>, <%=genFeature.getSafeName()%> = new <%=
genClass.getListConstructor(genFeature)%>);
        <%} else {%>
                  <%=genFeature.getSafeName()%> = new <%=
genClass.getListConstructor(genFeature)%>;
        <%}%>
            }


Ed Merks/Toronto/IBM@IBMCA
mailto: merks@xxxxxxxxxx
905-413-3265  (t/l 313)




                                                                       
             "Sennikovsky,                                             
             Mikhail"                                                  
             <mikhail.sennikov                                          To
             sky@xxxxxxxxx>            <emf-dev@xxxxxxxxxxx>           
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             clipse.org                                            Subject
                                       [emf-dev] Using custom EList    
                                       implementation                  
             12/07/2007 08:28                                          
             AM                                                        
                                                                       
                                                                       
             Please respond to                                         
             Eclipse Modelling                                         
                 Framework                                             
             <emf-dev@eclipse.                                         
                   org>                                                
                                                                       
                                                                       




Hi all,

I have a question on generation of implementation classes for EMF-based
model. Is there any way that I could make the generated Impl classes to use
my own custom EList implementation? E.g. could I make the generated EList
getFoo() method listed below to use/create/return my own EList
implementation instead of the ?default? one?

public EList getFoo() {
      if (foo == null) {
//could I make the generator to generate
            foo = new MyOwnEListImplementation(...);
//instead of the ?default? EList implementation, e.g.
            foo = new EObjectResolvingEList(...);
      }
      return foo;
}

Thanks,
Mikhail



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