public boolean validate_UniqueID(EObject eObject, DiagnosticChain diagnostics, Map<Object, Object> context)
  {
    boolean result = true;
    String id = EcoreUtil.getID(eObject);
    if (id != null)
    {
      Resource resource = eObject.eResource();
      if (resource != null)
      {
        EObject otherEObject = resource.getEObject(id);
        if (eObject != otherEObject && otherEObject != null)
        {
          result = false;
          if (diagnostics != null)
          {
            diagnostics.add
              (createDiagnostic
                (Diagnostic.ERROR,
                 DIAGNOSTIC_SOURCE,
                 EOBJECT__UNIQUE_ID,
                 "_UI_DuplicateID_diagnostic",
                 new Object []
                 {
                   id,
                   getObjectLabel(eObject, context),
                   getObjectLabel(otherEObject, context)
                 },
                 new Object [] { eObject, otherEObject, id },
                 context));
          }
        }
      }
    }
    return result;
  }