| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.storm.pmml.runner; |
| |
| import org.apache.storm.tuple.Tuple; |
| |
| /** |
| * Runner for models defined using PMML |
| * |
| * @param <I> type of the input source. For Storm it is typically a {@link Tuple} |
| * @param <R> the type of extracted raw input |
| * @param <P> the type of preprocessed input |
| * @param <S> the type of predicted scores |
| */ |
| public interface PmmlModelRunner<I, R, P, S> extends ModelRunner { |
| /** |
| * Extracts from the tuple the raw inputs that are to be scored according to the predictive model. |
| * |
| * @param input source from which to extract raw inputs |
| * @return raw inputs |
| */ |
| R extractRawInputs(I input); |
| |
| /** |
| * Pre process inputs, i.e., remove missing fields, outliers, etc |
| * |
| * @param rawInputs that are to be preprocessed |
| * @return preprocessed output |
| */ |
| P preProcessInputs(R rawInputs); |
| |
| /** |
| * Compute the predicted scores from the pre-processed inputs in the step above |
| * |
| * @param preProcInputs that are to be preprocessed |
| * @return predicted scores |
| */ |
| S predictScores(P preProcInputs); |
| } |