code: @Override
  	public void unbind(Object context) {
  		if (m_validationSession != null && context instanceof ValidationObject) {
  	        m_validationSession.unbind((ValidationObject) context);
  		}
  	}
docs: /* (non-Javadoc)
  @see nz.co.senanque.validationengine.ValidationSessionHolder#unbind(java.lang.Object)