/** * Load the booster model from thread-local rabit checkpoint. This is only used in distributed * training. * * @return the stored version number of the checkpoint. * @throws XGBoostError */ int loadRabitCheckpoint() throws XGBoostError { int[] out = new int[1]; JNIErrorHandle.checkCall(XgboostJNI.XGBoosterLoadRabitCheckpoint(this.handle, out)); return out[0]; }