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commit 484cd1045dd60858c4a3713191e56155dac57715
Author: Claus Ibsen <claus.ib...@gmail.com>
AuthorDate: Thu Apr 12 10:11:07 2018 +0200
CAMEL-12427: add example for using custom correlation manager and codec
with netty
---
.../camel-example-netty-custom-correlation/pom.xml | 109 +++++++++++++++++++++
.../readme.adoc | 30 ++++++
.../org/apache/camel/example/netty/MyClient.java | 74 ++++++++++++++
.../apache/camel/example/netty/MyCodecDecoder.java | 72 ++++++++++++++
.../camel/example/netty/MyCodecDecoderFactory.java | 28 ++++++
.../apache/camel/example/netty/MyCodecEncoder.java | 50 ++++++++++
.../camel/example/netty/MyCodecEncoderFactory.java | 28 ++++++
.../camel/example/netty/MyCorrelationManager.java | 72 ++++++++++++++
.../org/apache/camel/example/netty/MyServer.java | 53 ++++++++++
.../src/main/resources/log4j2.properties | 23 +++++
examples/pom.xml | 1 +
11 files changed, 540 insertions(+)
diff --git a/examples/camel-example-netty-custom-correlation/pom.xml
b/examples/camel-example-netty-custom-correlation/pom.xml
new file mode 100644
index 0000000..7a18b35
--- /dev/null
+++ b/examples/camel-example-netty-custom-correlation/pom.xml
@@ -0,0 +1,109 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+ 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.
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/maven-v4_0_0.xsd";>
+
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.camel.example</groupId>
+ <artifactId>examples</artifactId>
+ <version>2.22.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>camel-example-netty-custom-correlation</artifactId>
+ <packaging>jar</packaging>
+ <name>Camel :: Example :: Netty Custom Correlation</name>
+ <description>An example for showing Camel Netty with custom codec and
correlation id</description>
+
+ <properties>
+ <category>Messaging</category>
+ </properties>
+
+ <dependencies>
+
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-core</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-netty4</artifactId>
+ </dependency>
+
+ <!-- logging -->
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-api</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-core</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-slf4j-impl</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-jul</artifactId>
+ </dependency>
+
+ </dependencies>
+
+ <profiles>
+
+ <profile>
+ <id>client</id>
+ <build>
+ <plugins>
+ <!-- Allows the example to be run via 'mvn compile exec:java
-Pclient' -->
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>exec-maven-plugin</artifactId>
+ <configuration>
+ <mainClass>org.apache.camel.example.netty.MyClient</mainClass>
+ <includePluginDependencies>false</includePluginDependencies>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+ </profile>
+
+ <profile>
+ <id>server</id>
+ <build>
+ <plugins>
+ <!-- Allows the example to be run via 'mvn compile exec:java
-Pserver' -->
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>exec-maven-plugin</artifactId>
+ <configuration>
+ <mainClass>org.apache.camel.example.netty.MyServer</mainClass>
+ <includePluginDependencies>false</includePluginDependencies>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+ </profile>
+
+ </profiles>
+
+</project>
diff --git a/examples/camel-example-netty-custom-correlation/readme.adoc
b/examples/camel-example-netty-custom-correlation/readme.adoc
new file mode 100644
index 0000000..17d215c
--- /dev/null
+++ b/examples/camel-example-netty-custom-correlation/readme.adoc
@@ -0,0 +1,30 @@
+== Camel Example Netty Custom Correlation
+
+This example shows how to use TCP communication with Netty using a custom codec
+to encode and decode the data over the wire.
+
+The example also uses a single shared connection between the client and the
server
+to multiplex concurrent messages over the same connection. A custom
correlation manager
+is implemented to be able to correlate the request and response message pairs
so you
+do not mix-data to wrong replies.
+
+=== How to run
+
+You can run this example using two JVMs.
+
+To start the server run:
+
+ mvn compile exec:java -P server
+
+To start the client run:
+
+ mvn compile exec:java -P client
+
+In the client output you should see it logs request/response pairs.
+For requests that contains the word `beer` is delayed on the server side, and
you
+should notice that its corresponding reply is correlated correclty to its
beloing request thread.
+Also the messages can be inter-leaved when some messages are faster than
others.
+
+=== More information
+
+You can find more information about Apache Camel at the website:
http://camel.apache.org/
diff --git
a/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyClient.java
b/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyClient.java
new file mode 100644
index 0000000..6c69fb9
--- /dev/null
+++
b/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyClient.java
@@ -0,0 +1,74 @@
+/**
+ * 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.camel.example.netty;
+
+import java.util.Random;
+
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.main.Main;
+
+/**
+ * Netty client which calls the server every half-second with a random word.
+ */
+public final class MyClient {
+
+ private MyClient() {
+ }
+
+ public static void main(String[] args) throws Exception {
+ Main main = new Main();
+ main.addRouteBuilder(new MyRouteBuilder());
+ main.bind("myEncoder", new MyCodecEncoderFactory());
+ main.bind("myDecoder", new MyCodecDecoderFactory());
+ main.bind("myManager", new MyCorrelationManager());
+ main.run(args);
+ }
+
+ public static class MyRouteBuilder extends RouteBuilder {
+
+ private String[] words = new String[]{"foo", "bar", "baz", "beer",
"wine", "cheese"};
+ private int counter;
+
+ public int increment() {
+ return ++counter;
+ }
+
+ public String word() {
+ int ran = new Random().nextInt(6);
+ return words[ran];
+ }
+
+ @Override
+ public void configure() throws Exception {
+ from("timer:trigger")
+ // set correlation id as unique incrementing number
+ .setHeader("corId", method(this, "increment"))
+ // set random word to use in request
+ .setHeader("word", method(this, "word"))
+ // build request message as a string body
+ .setBody(simple("#${header.corId}:${header.word}"))
+ // log request before
+ .log("Request: ${id}:${body}")
+ // call netty server using a single shared connection and
using custom correlation manager
+ // to ensure we can correltly map the request and response
pairs
+
.to("netty4:tcp://localhost:4444?sync=true&encoders=#myEncoder&decoders=#myDecoder"
+ +
"&producerPoolEnabled=false&correlationManager=#myManager")
+ // log response after
+ .log("Response: ${id}:${body}");
+ }
+ }
+}
diff --git
a/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCodecDecoder.java
b/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCodecDecoder.java
new file mode 100644
index 0000000..d2222a8
--- /dev/null
+++
b/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCodecDecoder.java
@@ -0,0 +1,72 @@
+/**
+ * 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.camel.example.netty;
+
+import java.nio.charset.Charset;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.DecoderException;
+import io.netty.handler.codec.DelimiterBasedFrameDecoder;
+
+/**
+ * Netty decoder that assembles a complete messages from the frames received
by Netty.
+ * The decoder uses delimter based on start and end byte markers, to know when
all
+ * data for a complete message has been received.
+ */
+public class MyCodecDecoder extends DelimiterBasedFrameDecoder {
+
+ private static final int MAX_FRAME_LENGTH = 4096;
+
+ private static char startByte = 0x0b; // 11 decimal
+ private static char endByte1 = 0x1c; // 28 decimal
+ private static char endByte2 = 0x0d; // 13 decimal
+
+ public MyCodecDecoder() {
+ super(MAX_FRAME_LENGTH, true, Unpooled.copiedBuffer(
+ new char[]{endByte1, endByte2}, Charset.defaultCharset()));
+ }
+
+ @Override
+ protected Object decode(ChannelHandlerContext ctx, ByteBuf buffer) throws
Exception {
+ ByteBuf buf = (ByteBuf) super.decode(ctx, buffer);
+ if (buf != null) {
+ try {
+ int pos = buf.bytesBefore((byte) startByte);
+ if (pos >= 0) {
+ ByteBuf msg = buf.readerIndex(pos + 1).slice();
+ return asString(msg);
+ } else {
+ throw new DecoderException("Did not find start byte " +
(int) startByte);
+ }
+ } finally {
+ // We need to release the buf here to avoid the memory leak
+ buf.release();
+ }
+ }
+ // Message not complete yet - return null to be called again
+ return null;
+ }
+
+ private String asString(ByteBuf msg) {
+ // convert the message to a String which Camel will then use
+ String text = msg.toString(Charset.defaultCharset());
+ return text;
+ }
+
+}
diff --git
a/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCodecDecoderFactory.java
b/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCodecDecoderFactory.java
new file mode 100644
index 0000000..362ba36
--- /dev/null
+++
b/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCodecDecoderFactory.java
@@ -0,0 +1,28 @@
+/**
+ * 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.camel.example.netty;
+
+import io.netty.channel.ChannelHandler;
+import org.apache.camel.component.netty4.DefaultChannelHandlerFactory;
+
+public class MyCodecDecoderFactory extends DefaultChannelHandlerFactory {
+
+ @Override
+ public ChannelHandler newChannelHandler() {
+ return new MyCodecDecoder();
+ }
+}
diff --git
a/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCodecEncoder.java
b/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCodecEncoder.java
new file mode 100644
index 0000000..5568e74
--- /dev/null
+++
b/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCodecEncoder.java
@@ -0,0 +1,50 @@
+/**
+ * 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.camel.example.netty;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.MessageToByteEncoder;
+
+/**
+ * Netty encoder that writes the Camel message to bytes with start and end
byte markers.
+ */
+public class MyCodecEncoder extends MessageToByteEncoder<Object> {
+
+ private static char startByte = 0x0b; // 11 decimal
+ private static char endByte1 = 0x1c; // 28 decimal
+ private static char endByte2 = 0x0d; // 13 decimal
+
+ @Override
+ protected void encode(ChannelHandlerContext channelHandlerContext, Object
message, ByteBuf byteBuf) throws Exception {
+
+ byte[] body;
+ if (message instanceof String) {
+ body = ((String) message).getBytes();
+ } else if (message instanceof byte[]) {
+ body = (byte[]) message;
+ } else {
+ throw new IllegalArgumentException("The message to encode is not a
supported type: "
+ + message.getClass().getCanonicalName());
+ }
+
+ byteBuf.writeByte(startByte);
+ byteBuf.writeBytes(body);
+ byteBuf.writeByte(endByte1);
+ byteBuf.writeByte(endByte2);
+ }
+}
diff --git
a/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCodecEncoderFactory.java
b/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCodecEncoderFactory.java
new file mode 100644
index 0000000..32392d9
--- /dev/null
+++
b/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCodecEncoderFactory.java
@@ -0,0 +1,28 @@
+/**
+ * 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.camel.example.netty;
+
+import io.netty.channel.ChannelHandler;
+import org.apache.camel.component.netty4.DefaultChannelHandlerFactory;
+
+public class MyCodecEncoderFactory extends DefaultChannelHandlerFactory {
+
+ @Override
+ public ChannelHandler newChannelHandler() {
+ return new MyCodecEncoder();
+ }
+}
diff --git
a/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCorrelationManager.java
b/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCorrelationManager.java
new file mode 100644
index 0000000..3c3cd4e
--- /dev/null
+++
b/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyCorrelationManager.java
@@ -0,0 +1,72 @@
+/**
+ * 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.camel.example.netty;
+
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import org.apache.camel.component.netty4.NettyCamelState;
+import org.apache.camel.component.netty4.NettyCamelStateCorrelationManager;
+import org.apache.camel.util.ObjectHelper;
+import org.apache.camel.util.StringHelper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class MyCorrelationManager implements NettyCamelStateCorrelationManager
{
+
+ private static final Logger LOG =
LoggerFactory.getLogger(MyCorrelationManager.class);
+
+ private final ConcurrentMap<String, NettyCamelState> map = new
ConcurrentHashMap<>();
+
+ @Override
+ public void putState(Channel channel, NettyCamelState state) {
+ // grab the correlation id
+ String body = state.getExchange().getMessage().getBody(String.class);
+ // the correlation id is the first part of the message
+ String cid = StringHelper.before(body, ":");
+ if (ObjectHelper.isEmpty(cid)) {
+ throw new IllegalArgumentException("CorrelationID is missing");
+ }
+ LOG.debug("putState({}) on channel: {}", cid, channel.id());
+ map.put(cid, state);
+ }
+
+ @Override
+ public void removeState(ChannelHandlerContext channelHandlerContext,
Channel channel) {
+ // noop
+ }
+
+ @Override
+ public NettyCamelState getState(ChannelHandlerContext
channelHandlerContext, Channel channel, Object body) {
+ // the correlation id is the first part of the message
+ String cid = StringHelper.before(body.toString(), ":");
+ if (ObjectHelper.isEmpty(cid)) {
+ throw new IllegalArgumentException("CorrelationID is missing");
+ }
+ LOG.debug("getState({}) on channel: {}", cid, channel.id());
+ // lets remove after use as its no longer needed
+ return map.remove(cid);
+ }
+
+ @Override
+ public NettyCamelState getState(ChannelHandlerContext
channelHandlerContext, Channel channel, Throwable throwable) {
+ // noop
+ return null;
+ }
+}
diff --git
a/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyServer.java
b/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyServer.java
new file mode 100644
index 0000000..3e3bb7b
--- /dev/null
+++
b/examples/camel-example-netty-custom-correlation/src/main/java/org/apache/camel/example/netty/MyServer.java
@@ -0,0 +1,53 @@
+/**
+ * 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.camel.example.netty;
+
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.main.Main;
+
+/**
+ * Netty server which returns back an echo of the incoming request.
+ */
+public final class MyServer {
+
+ private MyServer() {
+ }
+
+ public static void main(String[] args) throws Exception {
+ Main main = new Main();
+ main.addRouteBuilder(new MyRouteBuilder());
+ main.bind("myEncoder", new MyCodecEncoderFactory());
+ main.bind("myDecoder", new MyCodecDecoderFactory());
+ main.run(args);
+ }
+
+ private static class MyRouteBuilder extends RouteBuilder {
+
+ @Override
+ public void configure() throws Exception {
+
from("netty4:tcp://localhost:4444?sync=true&encoders=#myEncoder&decoders=#myDecoder")
+ .log("Request: ${id}:${body}")
+ .filter(simple("${body} contains 'beer'"))
+ // use some delay when its beer to make responses
interleaved
+ // and make the delay asynchronous
+ .delay(simple("${random(2000,4000)}")).asyncDelayed().end()
+ .end()
+ .transform(simple("${body}-Echo"))
+ .log("Response: ${id}:${body}");
+ }
+ }
+}
diff --git
a/examples/camel-example-netty-custom-correlation/src/main/resources/log4j2.properties
b/examples/camel-example-netty-custom-correlation/src/main/resources/log4j2.properties
new file mode 100644
index 0000000..d406a9f
--- /dev/null
+++
b/examples/camel-example-netty-custom-correlation/src/main/resources/log4j2.properties
@@ -0,0 +1,23 @@
+## ---------------------------------------------------------------------------
+## 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.
+## ---------------------------------------------------------------------------
+
+appender.out.type = Console
+appender.out.name = out
+appender.out.layout.type = PatternLayout
+appender.out.layout.pattern = %d [%-15.15t] %-5p %-30.30c{1} - %m%n
+rootLogger.level = INFO
+rootLogger.appenderRef.out.ref = out
diff --git a/examples/pom.xml b/examples/pom.xml
index f7bfa22..4d1bd3f 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -76,6 +76,7 @@
<module>camel-example-loan-broker-jms</module>
<module>camel-example-management</module>
<module>camel-example-mybatis</module>
+ <module>camel-example-netty-custom-correlation</module>
<module>camel-example-netty-http</module>
<module>camel-example-olingo4-blueprint</module>
<module>camel-example-opentracing</module>
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