rodmeneses commented on code in PR #10308: URL: https://github.com/apache/iceberg/pull/10308#discussion_r1600383869
########## flink/v1.19/flink/src/test/java/org/apache/iceberg/flink/maintenance/operator/CollectingSink.java: ########## @@ -0,0 +1,115 @@ +/* + * 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.time.Duration; +import java.util.Collections; +import java.util.List; +import java.util.concurrent.BlockingQueue; +import java.util.concurrent.LinkedBlockingQueue; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.TimeoutException; +import java.util.concurrent.atomic.AtomicInteger; +import org.apache.flink.api.connector.sink2.Sink; +import org.apache.flink.api.connector.sink2.SinkWriter; +import org.apache.iceberg.relocated.com.google.common.collect.Lists; + +/** Sink for collecting output during testing. */ +public class CollectingSink<T> implements Sink<T> { + private static final long serialVersionUID = 1L; + private static final List<BlockingQueue<Object>> queues = + Collections.synchronizedList(Lists.newArrayListWithExpectedSize(1)); + private static final AtomicInteger numSinks = new AtomicInteger(-1); + private final int index; + + /** Creates a new sink which collects the elements received. */ + public CollectingSink() { + this.index = numSinks.incrementAndGet(); + queues.add(new LinkedBlockingQueue<>()); + } + + /** + * Gets all the remaining output received by this {@link Sink}. + * + * @return all the remaining output + */ + public List<T> getRemainingOutput() { + return Lists.newArrayList((BlockingQueue<T>) queues.get(this.index)); + } + + /** + * Check if there is no remaining output received by this {@link Sink}. + * + * @return <code>true</code> if there is no remaining output + */ + public boolean isEmpty() { + return queues.get(this.index).isEmpty(); + } + + /** + * Wait until the next element received by the {@link Sink}. + * + * @param timeout for the poll + * @return The first element received by this {@link Sink} + * @throws TimeoutException if no element received until the timeout + */ + public T poll(Duration timeout) throws TimeoutException { + Object element; + + try { + element = queues.get(this.index).poll(timeout.toMillis(), TimeUnit.MILLISECONDS); + } catch (InterruptedException var4) { + throw new RuntimeException(var4); + } + + if (element == null) { + throw new TimeoutException(); + } else { + return (T) element; + } + } + + @Override + public SinkWriter<T> createWriter(InitContext context) { Review Comment: `InitContext` is deprecated -- 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
