public static void dispose(Object... xgbObjects) throws IllegalStateException {
    Exception firstException = null;
    for (Object xgbObject : xgbObjects) {
      if (xgbObject == null)
        continue;
      if (xgbObject instanceof Booster) {
        try {
          ((Booster) xgbObject).dispose();
        } catch (Exception e) {
          if (firstException == null)
            firstException = e;
        }
      } else if (xgbObject instanceof DMatrix) {
        try {
          ((DMatrix) xgbObject).dispose();
        } catch (Exception e) {
          if (firstException == null)
            firstException = e;
        }
      } else
        assert false : "Unsupported XGBoost object type: " + xgbObject.getClass();
    }
    if (firstException != null) {
      throw new IllegalStateException("We were unable to free-up xgboost memory. " +
              "This could indicate a memory leak and it can lead to H2O instability.", firstException);
    }
  }
public static void dispose ( Object ... xgbObjects ) throws IllegalStateException { Exception firstException = null ; for ( Object xgbObject : xgbObjects ) { if ( xgbObject == null ) continue ; if ( xgbObject instanceof Booster ) { try { ( ( Booster ) xgbObject ) . dispose ( ) ; } catch ( Exception e ) { if ( firstException == null ) firstException = e ; } } else if ( xgbObject instanceof DMatrix ) { try { ( ( DMatrix ) xgbObject ) . dispose ( ) ; } catch ( Exception e ) { if ( firstException == null ) firstException = e ; } } else assert false : "Unsupported XGBoost object type: " + xgbObject . getClass ( ) ; } if ( firstException != null ) { throw new IllegalStateException ( "We were unable to free-up xgboost memory. " + "This could indicate a memory leak and it can lead to H2O instability." , firstException ) ; } }
Invalidates XGBoost objects (Booster, DMatrix) and frees up their memory
@param xgbObjects list of XGBoost objects
@throws IllegalStateException when object invalidation fails, only the first exception will be reported (as the
exception cause), we assume the other ones will have a same reason