| /* |
| * 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.sysds.runtime.controlprogram.federated; |
| |
| import java.io.Serializable; |
| |
| import org.apache.sysds.runtime.controlprogram.context.ExecutionContext; |
| import org.apache.sysds.runtime.instructions.cp.Data; |
| |
| public abstract class FederatedUDF implements Serializable { |
| private static final long serialVersionUID = 799416525191257308L; |
| |
| private final long[] _inputIDs; |
| |
| protected FederatedUDF(long[] inIDs) { |
| _inputIDs = inIDs; |
| } |
| |
| public final long[] getInputIDs() { |
| return _inputIDs; |
| } |
| |
| /** |
| * Execute the user-defined function on a set of data objects |
| * (e.g., matrix objects, frame objects, or scalars), which are |
| * looked up by specified input IDs and passed in the same order. |
| * |
| * Output data objects (potentially many) can be directly added |
| * to the passed execution context and its variable map. |
| * |
| * @param ec execution context |
| * @param data one or many data objects |
| * @return federated response, with none or many output objects |
| */ |
| public abstract FederatedResponse execute(ExecutionContext ec, Data... data); |
| } |