Class CopyKeyFieldsToObjectId


  • public class CopyKeyFieldsToObjectId
    extends ClassMethod
    Method to generate the method "dnCopyKeyFieldsToObjectId" using ASM. For datastore/nondurable identity
     public void dnCopyKeyFieldsToObjectId(Object oid)
     {
     }
     
    and for SingleFieldIdentity
     public void dnCopyKeyFieldsToObjectId(Object oid)
     {
         throw new JDOFatalInternalException("It's illegal to call ...");
     }
     
    and for user-supplied app identity
     public void dnCopyKeyFieldsToObjectId(Object oid)
     {
         if (!(oid instanceof UserPrimaryKey))
             throw new ClassCastException("key class is not mydomain.UserPrimaryKey or null");
         UserPrimaryKey o = (UserPrimaryKey) oid;
         o.zzz1 = zzz1;
         o.zzz2 = zzz2;
     }
     
    and for Compound Identity
     public void dnCopyKeyFieldsToObjectId(Object oid)
     {
         if (!(oid instanceof UserPrimaryKey))
             throw new ClassCastException("key class is not mydomain.UserPrimaryKey or null");
         UserPrimaryKey o = (UserPrimaryKey) oid;
         o.zzz1 = zzz1;
         o.zzz2 = (ZZZ2.Key) JDOHelper.getObjectId(zzz2);
     }
     
    Version:
    $Revision: 1.16 $
    • Constructor Detail

      • CopyKeyFieldsToObjectId

        public CopyKeyFieldsToObjectId​(ClassEnhancer enhancer,
                                       String name,
                                       int access,
                                       Object returnType,
                                       Object[] argTypes,
                                       String[] argNames)
        Constructor.
        Parameters:
        enhancer - ClassEnhancer
        name - Name of method
        access - Access type
        returnType - Return type
        argTypes - Argument types
        argNames - Argument names