| /* |
| * 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.seatunnel.translation.source; |
| |
| import org.apache.seatunnel.api.common.metrics.AbstractMetricsContext; |
| import org.apache.seatunnel.api.common.metrics.MetricsContext; |
| import org.apache.seatunnel.api.source.Boundedness; |
| import org.apache.seatunnel.api.source.SourceEvent; |
| import org.apache.seatunnel.api.source.SourceReader; |
| |
| public class ParallelReaderContext implements SourceReader.Context { |
| |
| protected final ParallelSource<?, ?, ?> parallelSource; |
| protected final Boundedness boundedness; |
| protected final Integer subtaskId; |
| |
| public ParallelReaderContext( |
| ParallelSource<?, ?, ?> parallelSource, Boundedness boundedness, Integer subtaskId) { |
| this.parallelSource = parallelSource; |
| this.boundedness = boundedness; |
| this.subtaskId = subtaskId; |
| } |
| |
| @Override |
| public int getIndexOfSubtask() { |
| return subtaskId; |
| } |
| |
| @Override |
| public Boundedness getBoundedness() { |
| return boundedness; |
| } |
| |
| @Override |
| public void signalNoMoreElement() { |
| parallelSource.handleNoMoreElement(); |
| } |
| |
| @Override |
| public void sendSplitRequest() { |
| parallelSource.handleSplitRequest(subtaskId); |
| } |
| |
| @Override |
| public void sendSourceEventToEnumerator(SourceEvent sourceEvent) { |
| throw new UnsupportedOperationException( |
| "Flink ParallelSource don't support sending SourceEvent. " |
| + "Please implement the `SupportCoordinate` marker interface on the SeaTunnel source."); |
| } |
| |
| @Override |
| public MetricsContext getMetricsContext() { |
| // TODO Waiting for Flink and Spark to implement MetricsContext |
| // https://github.com/apache/seatunnel/issues/3431 |
| return new AbstractMetricsContext() {}; |
| } |
| } |