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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-9343) Add Async Example with External Rest API call
Date Thu, 09 Aug 2018 12:22:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-9343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16574762#comment-16574762
] 

ASF GitHub Bot commented on FLINK-9343:
---------------------------------------

azagrebin commented on a change in pull request #5996: [FLINK-9343] [Example] Add Async Example
with External Rest API call
URL: https://github.com/apache/flink/pull/5996#discussion_r208904205
 
 

 ##########
 File path: flink-examples/flink-examples-streaming/src/main/scala/org/apache/flink/streaming/scala/examples/async/AsyncAPIExample.scala
 ##########
 @@ -0,0 +1,93 @@
+/*
+ * 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.scala.examples.async
+
+
+import java.io.{BufferedReader, InputStreamReader}
+import java.util.concurrent.TimeUnit
+
+import org.apache.flink.runtime.concurrent.Executors
+import org.apache.flink.streaming.api.scala.{AsyncDataStream, DataStream, StreamExecutionEnvironment,
_}
+import org.apache.flink.streaming.api.scala.async.{AsyncFunction, ResultFuture}
+import org.apache.http.client.methods.HttpGet
+import org.apache.http.impl.client.HttpClientBuilder
+
+import scala.concurrent.{ExecutionContext, Future}
+
+object AsyncAPIExample {
 
 Review comment:
   I would suggest to name it `AsyncHttpCallExample` or `AsyncRestAPIExample`

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> Add Async Example with External Rest API call
> ---------------------------------------------
>
>                 Key: FLINK-9343
>                 URL: https://issues.apache.org/jira/browse/FLINK-9343
>             Project: Flink
>          Issue Type: Improvement
>          Components: Examples
>    Affects Versions: 1.4.0, 1.4.1, 1.4.2
>            Reporter: Yazdan Shirvany
>            Assignee: Yazdan Shirvany
>            Priority: Minor
>              Labels: pull-request-available
>
> Async I/O is a good way to call External resources such as REST API and enrich the
stream with external data.
> Adding example to simulate Async GET api call on an input stream.



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