| /* |
| * 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.hudi.integ.testsuite.dag.nodes; |
| |
| import java.util.List; |
| import java.util.function.Function; |
| import org.apache.hudi.integ.testsuite.configuration.DeltaConfig.Config; |
| import org.apache.hudi.integ.testsuite.dag.ExecutionContext; |
| |
| /** |
| * A validate node helps to validate its parent nodes with given function. |
| */ |
| public class ValidateNode<R> extends DagNode { |
| |
| protected Function<List<DagNode>, R> function; |
| |
| public ValidateNode(Config config, Function<List<DagNode>, R> function) { |
| this.function = function; |
| this.config = config; |
| } |
| |
| /** |
| * Method to start the validate operation. Exceptions will be thrown if its parent nodes exist and WAIT_FOR_PARENTS |
| * was set to true or default, but the parent nodes have not completed yet. |
| * |
| * @param executionContext Context to execute this node |
| */ |
| @Override |
| public void execute(ExecutionContext executionContext) { |
| if (this.getParentNodes().size() > 0 && (Boolean) this.config.getOtherConfigs().getOrDefault("WAIT_FOR_PARENTS", |
| true)) { |
| for (DagNode node : (List<DagNode>) this.getParentNodes()) { |
| if (!node.isCompleted()) { |
| throw new RuntimeException("cannot validate before parent nodes are complete"); |
| } |
| } |
| } |
| this.result = this.function.apply((List<DagNode>) this.getParentNodes()); |
| } |
| |
| } |