package xuml.tools.model.compiler.runtime.query;
   
   import xuml.tools.model.compiler.runtime.Entity;
   
   public class IsNullDate<T extends Entity<T>> extends DateExpression<T> {
   
       private final DateExpression<T> e;
   
       public IsNullDate(DateExpression<T> e) {
          this.e = e;
      }
  
      public DateExpression<T> getExpression() {
          return e;
      }
  }