pvary commented on code in PR #10308: URL: https://github.com/apache/iceberg/pull/10308#discussion_r1601318215
########## flink/v1.19/flink/src/test/java/org/apache/iceberg/flink/maintenance/operator/ManualSource.java: ########## @@ -0,0 +1,160 @@ +/* + * 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.iceberg.flink.maintenance.operator; + +import java.util.Collections; +import java.util.List; +import java.util.concurrent.BlockingQueue; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.LinkedBlockingQueue; +import java.util.concurrent.TimeUnit; +import org.apache.flink.api.common.typeinfo.TypeInformation; +import org.apache.flink.api.java.tuple.Tuple2; +import org.apache.flink.api.java.typeutils.ResultTypeQueryable; +import org.apache.flink.streaming.api.datastream.DataStream; +import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; +import org.apache.flink.streaming.api.functions.source.SourceFunction; +import org.apache.flink.streaming.api.watermark.Watermark; +import org.apache.iceberg.relocated.com.google.common.collect.Lists; + +/** Testing source implementation for Flink sources which can be triggered manually. */ +public class ManualSource<T> implements SourceFunction<T>, ResultTypeQueryable<T> { + + private static final long serialVersionUID = 1L; + private static final List<BlockingQueue<Tuple2<?, Long>>> queues = + Collections.synchronizedList(Lists.newArrayList()); + private static final CountDownLatch atLeastOneStarted = new CountDownLatch(1); + private static int numSources = 0; + private final TypeInformation<T> type; + private final int index; + private transient DataStream<T> stream; + private final transient StreamExecutionEnvironment env; + private final transient BlockingQueue<Tuple2<?, Long>> currentQueue; + private volatile boolean isRunning = false; + + /** + * Creates a new source for testing. + * + * @param env to register the source + * @param type of the events returned by the source + */ + public ManualSource(StreamExecutionEnvironment env, TypeInformation<T> type) { + this.type = type; + this.env = env; + this.index = numSources++; + this.currentQueue = new LinkedBlockingQueue<>(); + queues.add(this.currentQueue); + } + + /** + * Emit a new record from the source. + * + * @param event to emit + */ + public void sendRecord(T event) { + this.sendInternal(Tuple2.of(event, null)); + } + + /** + * Emit a new record with the given event time from the source. + * + * @param event to emit + * @param eventTime of the event + */ + public void sendRecord(T event, long eventTime) { + this.sendInternal(Tuple2.of(event, eventTime)); + } + + /** + * Emit a watermark from the source. + * + * @param timeStamp of the watermark + */ + public void sendWatermark(long timeStamp) { + this.sendInternal(Tuple2.of(null, timeStamp)); + } + + /** Mark the source as finished. */ + public void markFinished() { Review Comment: See above -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
