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https://issues.apache.org/jira/browse/FLINK-7789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16497673#comment-16497673
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ASF GitHub Bot commented on FLINK-7789:
---------------------------------------
Github user pnowojski commented on a diff in the pull request:
https://github.com/apache/flink/pull/6091#discussion_r192316223
--- Diff:
flink-streaming-scala/src/test/scala/org/apache/flink/streaming/api/scala/AsyncDataStreamITCase.scala
---
@@ -0,0 +1,157 @@
+/*
+ * 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.flink.streaming.api.scala
+
+import java.util.concurrent.TimeUnit
+
+import org.apache.flink.streaming.api.functions.sink.SinkFunction
+import org.apache.flink.streaming.api.functions.source.SourceFunction
+import org.apache.flink.streaming.api.scala.AsyncDataStreamITCase._
+import org.apache.flink.streaming.api.scala.async.{AsyncFunction,
ResultFuture}
+import org.apache.flink.test.util.AbstractTestBase
+import org.junit.Assert._
+import org.junit.Test
+
+import scala.collection.mutable
+import scala.concurrent.{ExecutionContext, Future}
+
+object AsyncDataStreamITCase {
+ val timeout = 1000L
+ private var testResult: mutable.ArrayBuffer[Int] = _
+}
+
+class AsyncDataStreamITCase extends AbstractTestBase {
+
+ @Test
+ def testOrderedWait(): Unit = {
+ testAsyncWait(true)
+ }
+
+ @Test
+ def testUnorderedWait(): Unit = {
+ testAsyncWait(false)
+ }
+
+ private def testAsyncWait(ordered: Boolean): Unit = {
+ val env = StreamExecutionEnvironment.getExecutionEnvironment
+ env.setParallelism(1)
+
+ val source = env.addSource(new SourceFunction[Int]() {
--- End diff --
`env.fromElements(1, 2)`
> Add handler for Async IO operator timeouts
> -------------------------------------------
>
> Key: FLINK-7789
> URL: https://issues.apache.org/jira/browse/FLINK-7789
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API
> Reporter: Karthik Deivasigamani
> Assignee: blues zheng
> Priority: Major
>
> Currently Async IO operator does not provide a mechanism to handle timeouts.
> When a request times out it an exception is thrown and job is restarted. It
> would be good to pass a AsyncIOTimeoutHandler which can be implemented by the
> user and passed in the constructor.
> Here is the discussion from apache flink users mailing list
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/async-io-operator-timeouts-tt16068.html
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