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https://issues.apache.org/jira/browse/FLINK-2490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14712731#comment-14712731
]
ASF GitHub Bot commented on FLINK-2490:
---------------------------------------
Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/992#discussion_r37959366
--- Diff:
flink-staging/flink-streaming/flink-streaming-core/src/test/java/org/apache/flink/streaming/api/functions/source/SocketTextStreamFunctionTest.java
---
@@ -0,0 +1,189 @@
+/*
+ * 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.functions.source;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.net.Socket;
+
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.streaming.api.watermark.Watermark;
+import org.junit.Test;
+
+import static java.lang.Thread.sleep;
+import static org.junit.Assert.*;
+
+import java.net.ServerSocket;
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+ * Tests for the {@link
org.apache.flink.streaming.api.functions.source.SocketTextStreamFunction}.
+ */
+public class SocketTextStreamFunctionTest{
+
+ final AtomicReference<Throwable> error = new
AtomicReference<Throwable>();
+ private final String host = "127.0.0.1";
+
+ SourceFunction.SourceContext<String> ctx = new
SourceFunction.SourceContext<String>() {
+ public String result;
+
+ @Override
+ public void collect(String element) {
+ result = element;
+ }
+
+ @Override
+ public String toString() {
+ return this.result;
+ }
+
+ @Override
+ public void collectWithTimestamp(String element, long
timestamp) {
+
+ }
+
+ @Override
+ public void emitWatermark(Watermark mark) {
+
+ }
+
+ @Override
+ public Object getCheckpointLock() {
+ return null;
+ }
+
+ @Override
+ public void close() {
+
+ }
+ };
+
+ public SocketTextStreamFunctionTest() {
+ }
+
+ class SocketSource extends Thread {
+
+ SocketTextStreamFunction socketSource;
+
+ public SocketSource(ServerSocket serverSo, int maxRetry) throws
Exception {
+ this.socketSource = new SocketTextStreamFunction(host,
serverSo.getLocalPort(), '\n', maxRetry);
+
+ Field field =
SocketTextStreamFunction.class.getDeclaredField("CONNECTION_RETRY_SLEEP");
+ field.setAccessible(true);
+ Field modifiersField =
Field.class.getDeclaredField("modifiers");
+ modifiersField.setAccessible(true);
+ modifiersField.setInt(field, field.getModifiers() &
~Modifier.FINAL);
+ field.set(null, 200);
--- End diff --
That's quite a hack. I think it is ok to remove the `final` modifier and
make the field variable package-local: `static int CONNECTION_RETRY_SLEEP =
1000`. Then you can set it directly here.
> Remove unwanted boolean check in function
> SocketTextStreamFunction.streamFromSocket
> -----------------------------------------------------------------------------------
>
> Key: FLINK-2490
> URL: https://issues.apache.org/jira/browse/FLINK-2490
> Project: Flink
> Issue Type: Bug
> Components: Streaming
> Affects Versions: 0.10
> Reporter: Huang Wei
> Priority: Minor
> Fix For: 0.10
>
> Original Estimate: 168h
> Remaining Estimate: 168h
>
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