IGNITE-12363 Migrate Camel module to ignite-extensions - Fixes #19.
Signed-off-by: samaitra <saikat.maitra@gmail.com>
diff --git a/modules/camel-ext/README.txt b/modules/camel-ext/README.txt
new file mode 100644
index 0000000..3786b4b
--- /dev/null
+++ b/modules/camel-ext/README.txt
@@ -0,0 +1,34 @@
+Apache Ignite Camel Module
+--------------------------
+
+Apache Ignite Camel provides a streamer to consume cache tuples from a Camel endpoint such as
+HTTP, TCP, File, FTP, AMQP, SNMP, databases, etc. For more information on available components,
+refer to http://camel.apache.org/components.html.
+
+To enable the Camel module when starting a standalone node, move 'optional/ignite-camel' folder
+to 'libs' folder before running 'ignite.{sh|bat}' script. The content of the module folder will
+be added to classpath in this case.
+
+Importing the Camel module in a Maven project
+---------------------------------------------
+
+If you are using Maven to manage dependencies of your project, you can add the Camel module
+dependency like this (replace '${ignite.version}' with actual Ignite version you are
+interested in):
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
+ http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ ...
+ <dependencies>
+ ...
+ <dependency>
+ <groupId>org.apache.ignite</groupId>
+ <artifactId>ignite-camel-ext</artifactId>
+ <version>${ignite.version}</version>
+ </dependency>
+ ...
+ </dependencies>
+ ...
+</project>
diff --git a/modules/camel-ext/licenses/apache-2.0.txt b/modules/camel-ext/licenses/apache-2.0.txt
new file mode 100644
index 0000000..d645695
--- /dev/null
+++ b/modules/camel-ext/licenses/apache-2.0.txt
@@ -0,0 +1,202 @@
+
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diff --git a/modules/camel-ext/modules/core/src/test/config/log4j-test.xml b/modules/camel-ext/modules/core/src/test/config/log4j-test.xml
new file mode 100755
index 0000000..b78fa9c
--- /dev/null
+++ b/modules/camel-ext/modules/core/src/test/config/log4j-test.xml
@@ -0,0 +1,97 @@
+<?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.
+-->
+
+<!DOCTYPE log4j:configuration PUBLIC "-//APACHE//DTD LOG4J 1.2//EN"
+ "http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/xml/doc-files/log4j.dtd">
+<!--
+ Log4j configuration.
+-->
+<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/" debug="false">
+ <!--
+ Logs System.out messages to console.
+ -->
+ <appender name="CONSOLE" class="org.apache.log4j.ConsoleAppender">
+ <!-- Log to STDOUT. -->
+ <param name="Target" value="System.out"/>
+
+ <!-- Log from DEBUG and higher. -->
+ <param name="Threshold" value="DEBUG"/>
+
+ <!-- The default pattern: Date Priority [Category] Message\n -->
+ <layout class="org.apache.log4j.PatternLayout">
+ <param name="ConversionPattern" value="[%d{ISO8601}][%-5p][%t][%c{1}] %m%n"/>
+ </layout>
+
+ <!-- Do not log beyond INFO level. -->
+ <filter class="org.apache.log4j.varia.LevelRangeFilter">
+ <param name="levelMin" value="DEBUG"/>
+ <param name="levelMax" value="INFO"/>
+ </filter>
+ </appender>
+
+ <!--
+ Logs all System.err messages to console.
+ -->
+ <appender name="CONSOLE_ERR" class="org.apache.log4j.ConsoleAppender">
+ <!-- Log to STDERR. -->
+ <param name="Target" value="System.err"/>
+
+ <!-- Log from WARN and higher. -->
+ <param name="Threshold" value="WARN"/>
+
+ <!-- The default pattern: Date Priority [Category] Message\n -->
+ <layout class="org.apache.log4j.PatternLayout">
+ <param name="ConversionPattern" value="[%d{ISO8601}][%-5p][%t][%c{1}] %m%n"/>
+ </layout>
+ </appender>
+
+ <!--
+ Logs all output to specified file.
+ -->
+ <appender name="FILE" class="org.apache.log4j.RollingFileAppender">
+ <param name="Threshold" value="DEBUG"/>
+ <param name="File" value="${IGNITE_HOME}/work/log/ignite.log"/>
+ <param name="Append" value="true"/>
+ <param name="MaxFileSize" value="10MB"/>
+ <param name="MaxBackupIndex" value="10"/>
+ <layout class="org.apache.log4j.PatternLayout">
+ <param name="ConversionPattern" value="[%d{ISO8601}][%-5p][%t][%c{1}] %m%n"/>
+ </layout>
+ </appender>
+
+ <!-- Disable all open source debugging. -->
+ <category name="org">
+ <level value="INFO"/>
+ </category>
+
+ <category name="org.eclipse.jetty">
+ <level value="INFO"/>
+ </category>
+
+ <!-- Default settings. -->
+ <root>
+ <!-- Print at info by default. -->
+ <level value="INFO"/>
+
+ <!-- Append to file and console. -->
+ <appender-ref ref="FILE"/>
+ <appender-ref ref="CONSOLE"/>
+ <appender-ref ref="CONSOLE_ERR"/>
+ </root>
+</log4j:configuration>
diff --git a/modules/camel-ext/modules/core/src/test/config/tests.properties b/modules/camel-ext/modules/core/src/test/config/tests.properties
new file mode 100644
index 0000000..18b3606
--- /dev/null
+++ b/modules/camel-ext/modules/core/src/test/config/tests.properties
@@ -0,0 +1,153 @@
+#
+# 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.
+#
+
+# Local address to bind to.
+local.ip=127.0.0.1
+
+# TCP communication port
+comm.tcp.port=30010
+
+# JBoss JNDI
+# JBoss context factory for JNDI connection establishing.
+jboss.jndi.context.factory=org.jnp.interfaces.NamingContextFactory
+# JBoss specific parameter for JNDI connection establishing.
+jboss.jndi.pkg.prefixes=org.jboss.naming:org.jnp.interfaces
+# URL of JBoss server for the 1st node.
+jboss.jndi.node1.provider.url=jnp://localhost:1199
+# URL of JBoss server for the 2nd node.
+jboss.jndi.node2.provider.url=jnp://localhost:1299
+# JBoss Discovery test max wait time.
+jboss.disco.test.wait=180000
+
+# Deployment configuration paths.
+# You will either need to override deploy.uri.dir or supply CLASSES_URI as system property.
+#
+# Path to keystore with private and public keys.
+deploy.uri.secure.keystore=@{IGNITE_HOME}/modules/tests/config/securedeploy/keystore
+# Temporary dir where deployment unit stored before deploy.
+deploy.uri.tmpdir=${java.io.tmpdir}/gg
+# Deployment dir for file scanner test with different types of GAR's.
+deploy.uri.file2.path=${java.io.tmpdir}/gg/verification/
+# URI string.
+deploy.uri.file2=file://freq=200@localhost/${java.io.tmpdir}/gg/verification/
+# File scanner URI for local file deployment.
+deploy.uri.file=file://localhost/@{IGNITE_HOME}/modules/extdata/uri/target/file/
+# FTP scanner URI for FTP deployment.
+deploy.uri.ftp=ftp://ftptest:iddqd@94.72.60.102:21/test/deployment
+# Classes scanner URI for classes deployment. Must be overridden for every user.
+deploy.uri.cls=${CLASSES_URI}
+# Http scanner URI for HTTP deployment.
+deploy.uri.http=http://fake.uri
+# Http scanner URI for secure SSL HTTPs deployment.
+deploy.uri.https=https://fake.uri
+# Directory with descriptors to construct GAR files.
+deploy.gar.descriptor.dir=modules/urideploy/src/test/java/org/apache/ignite/spi/deployment/uri/META-INF
+
+# Directory with a number of descriptors for the Ant gar task.
+ant.gar.descriptor.dir=modules/extdata/p2p/META-INF
+# Temporary directory for the Ant task resulting GAR file.
+ant.gar.tmpdir=${java.io.tmpdir}/gg
+# The same as p2p.uri.cls but without protocol
+ant.gar.srcdir=@{IGNITE_HOME}/modules/extdata/uri/target/classes/
+
+# Paths to use in URI deployment SPI tests
+urideployment.jar.uri=modules/extdata/uri/target/deploy/uri.jar
+urideployment.path.tmp=modules/extdata/uri/target/deploy_tmp/
+
+# GAR paths to use in URI deployment SPI tests
+ant.urideployment.gar.uri=file://freq=5000@localhost/EXTDATA/uri/target/deploy
+ant.urideployment.gar.file=modules/extdata/uri/target/deploy/uri.gar
+ant.urideployment.gar.libs-file=modules/extdata/uri/target/deploy2/uri-libs.gar
+ant.urideployment.gar.classes-file=modules/extdata/uri/target/deploy2/uri-classes.gar
+ant.urideployment.gar.path=modules/extdata/uri/target/deploy/
+
+# Classpath directory for GridP2PUserVersionChangeSelfTest
+ant.userversion.class.dir=@{IGNITE_HOME}/modules/tests/java/
+
+# Multicast discovery self test.
+discovery.mbeanserver.selftest.baseport=50000
+
+# TCP communication self test.
+comm.mbeanserver.selftest.baseport=50100
+
+# Kernel tests.
+grid.comm.selftest.sender.timeout=1000
+grid.comm.selftest.timeout=10000
+
+#P2P tests
+#Overwrite this property. It should point to P2P module compilation directory.
+p2p.uri.cls=file://localhost/@{IGNITE_HOME}/modules/extdata/p2p/target/classes/
+p2p.uri.cls.second=file://localhost/@{IGNITE_HOME}/modules/extdata/uri/target/classes/
+
+# AOP tests.
+# Connector port for RMI.
+connector.rmi.port=7657
+# Connector port for XFire Web Service.
+connector.ws.port=9090
+
+# Load test duration in minutes.
+load.test.duration=500
+load.test.threadnum=50
+load.test.nodenum=5
+
+# Loaders tests
+loader.self.test.config=modules/core/src/test/config/loaders/grid-cfg.xml
+loader.self.multipletest.config=modules/core/src/test/config/loaders/grid-cfg-2-grids.xml
+loader.self.test.jboss.config=modules/core/src/test/config/loaders/grid-cfg.xml
+
+# WebSphere jmx properties
+websphere.jmx.connector.host=localhost
+websphere.jmx.connector.port=8880
+websphere.jmx.connector.security=false
+websphere.jmx.username=
+websphere.jmx.pwd=
+
+# GlassFish jmx properties for GlassFish Loader
+glassfish.jmx.rmi.connector.port=8686
+glassfish.jmx.username=admin
+glassfish.jmx.password=adminadmin
+
+# Tomcat jmx properties for Servlet Loader
+tomcat.jmx.rmi.connector.port=1097
+
+# Marshaller for tests
+#marshaller.class=org.apache.ignite.marshaller.jdk.GridJdkMarshaller
+
+# EC2 configuration for tests
+#amazon.access.key=
+#amazon.secret.key=
+
+# SSH config.
+ssh.username=uname
+ssh.password=passwd
+
+# SSL tests keystore.
+ssl.keystore.path=@{IGNITE_HOME}/modules/clients/src/test/keystore/server.jks
+ssl.keystore.password=123456
+
+# node01 signed with trust-one, node02 and node03 by trust-two, node02old is expired
+# trust-both contains both CAs
+ssl.keystore.node01.path=@{IGNITE_HOME}/modules/clients/src/test/keystore/ca/node01.jks
+ssl.keystore.node02.path=@{IGNITE_HOME}/modules/clients/src/test/keystore/ca/node02.jks
+ssl.keystore.node03.path=@{IGNITE_HOME}/modules/clients/src/test/keystore/ca/node03.jks
+ssl.keystore.trustone.path=@{IGNITE_HOME}/modules/clients/src/test/keystore/ca/trust-one.jks
+ssl.keystore.trusttwo.path=@{IGNITE_HOME}/modules/clients/src/test/keystore/ca/trust-two.jks
+ssl.keystore.trustboth.path=@{IGNITE_HOME}/modules/clients/src/test/keystore/ca/trust-both.jks
+ssl.keystore.node02old.path=@{IGNITE_HOME}/modules/clients/src/test/keystore/ca/node02old.jks
+
+# Hadoop home directory.
+hadoop.home=@{HADOOP_HOME}
diff --git a/modules/camel-ext/pom.xml b/modules/camel-ext/pom.xml
new file mode 100644
index 0000000..c2f89b1
--- /dev/null
+++ b/modules/camel-ext/pom.xml
@@ -0,0 +1,116 @@
+<?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.
+-->
+
+<!--
+ POM file.
+-->
+<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/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.ignite</groupId>
+ <artifactId>ignite-extensions-parent</artifactId>
+ <version>1</version>
+ <relativePath>../../parent</relativePath>
+ </parent>
+
+ <artifactId>ignite-camel-ext</artifactId>
+ <version>1.0.0-SNAPSHOT</version>
+ <url>http://ignite.apache.org</url>
+
+ <properties>
+ <okhttp.version>2.5.0</okhttp.version>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.ignite</groupId>
+ <artifactId>ignite-core</artifactId>
+ <version>${ignite.version}</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-core</artifactId>
+ <version>${camel.version}</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.ignite</groupId>
+ <artifactId>ignite-log4j</artifactId>
+ <version>${ignite.version}</version>
+ <scope>test</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.ignite</groupId>
+ <artifactId>ignite-spring</artifactId>
+ <version>${ignite.version}</version>
+ <scope>test</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.ignite</groupId>
+ <artifactId>ignite-core</artifactId>
+ <version>${ignite.version}</version>
+ <type>test-jar</type>
+ <scope>test</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.ignite</groupId>
+ <artifactId>ignite-tools</artifactId>
+ <version>${ignite.version}</version>
+ <scope>test</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>com.google.guava</groupId>
+ <artifactId>guava</artifactId>
+ <version>${guava.version}</version>
+ <scope>test</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-jetty</artifactId>
+ <version>${camel.version}</version>
+ <scope>test</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>com.squareup.okhttp</groupId>
+ <artifactId>okhttp</artifactId>
+ <version>${okhttp.version}</version>
+ <scope>test</scope>
+ </dependency>
+
+ </dependencies>
+
+ <build>
+ <plugins>
+ <!-- Generate the OSGi MANIFEST.MF for this bundle. -->
+ <plugin>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>maven-bundle-plugin</artifactId>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
diff --git a/modules/camel-ext/src/main/java/org/apache/ignite/stream/camel/CamelStreamer.java b/modules/camel-ext/src/main/java/org/apache/ignite/stream/camel/CamelStreamer.java
new file mode 100644
index 0000000..369d2a6
--- /dev/null
+++ b/modules/camel-ext/src/main/java/org/apache/ignite/stream/camel/CamelStreamer.java
@@ -0,0 +1,237 @@
+/*
+ * 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.ignite.stream.camel;
+
+import java.util.Map;
+
+import org.apache.camel.CamelContext;
+import org.apache.camel.Consumer;
+import org.apache.camel.Endpoint;
+import org.apache.camel.Exchange;
+import org.apache.camel.Processor;
+import org.apache.camel.ServiceStatus;
+import org.apache.camel.impl.DefaultCamelContext;
+import org.apache.camel.util.CamelContextHelper;
+import org.apache.camel.util.ServiceHelper;
+import org.apache.ignite.IgniteException;
+import org.apache.ignite.IgniteLogger;
+import org.apache.ignite.internal.util.typedef.internal.A;
+import org.apache.ignite.internal.util.typedef.internal.U;
+import org.apache.ignite.stream.StreamAdapter;
+import org.apache.ignite.stream.StreamMultipleTupleExtractor;
+import org.apache.ignite.stream.StreamSingleTupleExtractor;
+
+/**
+ * This streamer consumes messages from an Apache Camel consumer endpoint and feeds them into an Ignite data streamer.
+ *
+ * The only mandatory properties are {@link #endpointUri} and the appropriate stream tuple extractor (either {@link
+ * StreamSingleTupleExtractor} or {@link StreamMultipleTupleExtractor}.
+ *
+ * The user can also provide a custom {@link CamelContext} in case they want to attach custom components, a {@link
+ * org.apache.camel.component.properties.PropertiesComponent}, set tracers, management strategies, etc.
+ *
+ * @see <a href="http://camel.apache.org">Apache Camel</a>
+ * @see <a href="http://camel.apache.org/components.html">Apache Camel components</a>
+ */
+public class CamelStreamer<K, V> extends StreamAdapter<Exchange, K, V> implements Processor {
+ /** Logger. */
+ private IgniteLogger log;
+
+ /** The Camel Context. */
+ private CamelContext camelCtx;
+
+ /** The endpoint URI to consume from. */
+ private String endpointUri;
+
+ /** Camel endpoint. */
+ private Endpoint endpoint;
+
+ /** Camel consumer. */
+ private Consumer consumer;
+
+ /** A {@link Processor} to generate the response. */
+ private Processor resProc;
+
+ /**
+ * Starts the streamer.
+ *
+ * @throws IgniteException In cases when failed to start the streamer.
+ */
+ public void start() throws IgniteException {
+ // Ensure that the endpoint URI is provided.
+ A.notNullOrEmpty(endpointUri, "endpoint URI must be provided");
+
+ // Check that one and only one tuple extractor is provided.
+ A.ensure(!(getSingleTupleExtractor() == null && getMultipleTupleExtractor() == null),
+ "tuple extractor missing");
+
+ // If a custom CamelContext is not provided, initialize one.
+ if (camelCtx == null)
+ camelCtx = new DefaultCamelContext();
+
+ // If the Camel Context is starting or started, reject this call to start.
+ if (camelCtx.getStatus() == ServiceStatus.Started || camelCtx.getStatus() == ServiceStatus.Starting)
+ throw new IgniteException("Failed to start Camel streamer (CamelContext already started or starting).");
+
+ log = getIgnite().log();
+
+ // Instantiate the Camel endpoint.
+ try {
+ endpoint = CamelContextHelper.getMandatoryEndpoint(camelCtx, endpointUri);
+ }
+ catch (Exception e) {
+ U.error(log, e);
+
+ throw new IgniteException("Failed to start Camel streamer [errMsg=" + e.getMessage() + ']');
+ }
+
+ // Create the Camel consumer.
+ try {
+ consumer = endpoint.createConsumer(this);
+ }
+ catch (Exception e) {
+ U.error(log, e);
+
+ throw new IgniteException("Failed to start Camel streamer [errMsg=" + e.getMessage() + ']');
+ }
+
+ // Start the Camel services.
+ try {
+ ServiceHelper.startServices(camelCtx, endpoint, consumer);
+ }
+ catch (Exception e) {
+ U.error(log, e);
+
+ try {
+ ServiceHelper.stopAndShutdownServices(camelCtx, endpoint, consumer);
+
+ consumer = null;
+ endpoint = null;
+ }
+ catch (Exception e1) {
+ throw new IgniteException("Failed to start Camel streamer; failed to stop the context, endpoint or " +
+ "consumer during rollback of failed initialization [errMsg=" + e.getMessage() + ", stopErrMsg=" +
+ e1.getMessage() + ']');
+ }
+
+ throw new IgniteException("Failed to start Camel streamer [errMsg=" + e.getMessage() + ']');
+ }
+
+ U.log(log, "Started Camel streamer consuming from endpoint URI: " + endpointUri);
+ }
+
+ /**
+ * Stops the streamer.
+ *
+ * @throws IgniteException In cases if failed to stop the streamer.
+ */
+ public void stop() throws IgniteException {
+ // If the Camel Context is stopping or stopped, reject this call to stop.
+ if (camelCtx.getStatus() == ServiceStatus.Stopped || camelCtx.getStatus() == ServiceStatus.Stopping)
+ throw new IgniteException("Failed to stop Camel streamer (CamelContext already stopped or stopping).");
+
+ // Stop Camel services.
+ try {
+ ServiceHelper.stopAndShutdownServices(camelCtx, endpoint, consumer);
+ }
+ catch (Exception e) {
+ throw new IgniteException("Failed to stop Camel streamer [errMsg=" + e.getMessage() + ']');
+ }
+
+ U.log(log, "Stopped Camel streamer, formerly consuming from endpoint URI: " + endpointUri);
+ }
+
+ /**
+ * Processes the incoming {@link Exchange} and adds the tuple(s) to the underlying streamer.
+ *
+ * @param exchange The Camel Exchange.
+ */
+ @Override public void process(Exchange exchange) throws Exception {
+ // Extract and insert the tuple(s).
+ if (getMultipleTupleExtractor() == null) {
+ Map.Entry<K, V> entry = getSingleTupleExtractor().extract(exchange);
+ getStreamer().addData(entry);
+ }
+ else {
+ Map<K, V> entries = getMultipleTupleExtractor().extract(exchange);
+ getStreamer().addData(entries);
+ }
+
+ // If the user has set a response processor, invoke it before finishing.
+ if (resProc != null)
+ resProc.process(exchange);
+ }
+
+ /**
+ * Gets the underlying {@link CamelContext}, whether created automatically by Ignite or the context specified by the
+ * user.
+ *
+ * @return The Camel Context.
+ */
+ public CamelContext getCamelContext() {
+ return camelCtx;
+ }
+
+ /**
+ * Explicitly sets the {@link CamelContext} to use.
+ *
+ * Doing so gives the user the opportunity to attach custom components, a {@link
+ * org.apache.camel.component.properties.PropertiesComponent}, set tracers, management strategies, etc.
+ *
+ * @param camelCtx The Camel Context to use. In most cases, an instance of {@link DefaultCamelContext}.
+ */
+ public void setCamelContext(CamelContext camelCtx) {
+ this.camelCtx = camelCtx;
+ }
+
+ /**
+ * Gets the endpoint URI from which to consume.
+ *
+ * @return The endpoint URI.
+ */
+ public String getEndpointUri() {
+ return endpointUri;
+ }
+
+ /**
+ * Sets the endpoint URI from which to consume. <b>Mandatory.</b>
+ *
+ * @param endpointUri The endpoint URI.
+ */
+ public void setEndpointUri(String endpointUri) {
+ this.endpointUri = endpointUri;
+ }
+
+ /**
+ * Gets the {@link Processor} used to generate the response.
+ *
+ * @return The {@link Processor}.
+ */
+ public Processor getResponseProcessor() {
+ return resProc;
+ }
+
+ /**
+ * Sets the {@link Processor} used to generate the response.
+ *
+ * @param resProc The {@link Processor}.
+ */
+ public void setResponseProcessor(Processor resProc) {
+ this.resProc = resProc;
+ }
+}
diff --git a/modules/camel-ext/src/main/java/org/apache/ignite/stream/camel/package-info.java b/modules/camel-ext/src/main/java/org/apache/ignite/stream/camel/package-info.java
new file mode 100644
index 0000000..a133a75
--- /dev/null
+++ b/modules/camel-ext/src/main/java/org/apache/ignite/stream/camel/package-info.java
@@ -0,0 +1,22 @@
+/*
+ * 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.
+ */
+
+/**
+ * Contains implementation of Camel Streamer.
+ */
+
+package org.apache.ignite.stream.camel;
diff --git a/modules/camel-ext/src/test/java/org/apache/ignite/stream/camel/IgniteCamelStreamerTest.java b/modules/camel-ext/src/test/java/org/apache/ignite/stream/camel/IgniteCamelStreamerTest.java
new file mode 100644
index 0000000..9858357
--- /dev/null
+++ b/modules/camel-ext/src/test/java/org/apache/ignite/stream/camel/IgniteCamelStreamerTest.java
@@ -0,0 +1,432 @@
+/*
+ * 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.ignite.stream.camel;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeSet;
+import java.util.UUID;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+import com.google.common.base.Splitter;
+import com.google.common.collect.Lists;
+import com.squareup.okhttp.MediaType;
+import com.squareup.okhttp.OkHttpClient;
+import com.squareup.okhttp.Request;
+import com.squareup.okhttp.RequestBody;
+import com.squareup.okhttp.Response;
+import org.apache.camel.CamelContext;
+import org.apache.camel.Endpoint;
+import org.apache.camel.Exchange;
+import org.apache.camel.Processor;
+import org.apache.camel.ServiceStatus;
+import org.apache.camel.component.properties.PropertiesComponent;
+import org.apache.camel.impl.DefaultCamelContext;
+import org.apache.camel.support.LifecycleStrategySupport;
+import org.apache.ignite.Ignite;
+import org.apache.ignite.IgniteCache;
+import org.apache.ignite.IgniteDataStreamer;
+import org.apache.ignite.IgniteException;
+import org.apache.ignite.cache.CachePeekMode;
+import org.apache.ignite.configuration.IgniteConfiguration;
+import org.apache.ignite.events.CacheEvent;
+import org.apache.ignite.events.EventType;
+import org.apache.ignite.internal.util.lang.GridMapEntry;
+import org.apache.ignite.internal.util.typedef.F;
+import org.apache.ignite.lang.IgniteBiPredicate;
+import org.apache.ignite.lang.IgniteInClosure;
+import org.apache.ignite.stream.StreamMultipleTupleExtractor;
+import org.apache.ignite.stream.StreamSingleTupleExtractor;
+import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
+import org.junit.Test;
+
+import static org.apache.ignite.events.EventType.EVT_CACHE_OBJECT_PUT;
+
+/**
+ * Test class for {@link CamelStreamer}.
+ */
+public class IgniteCamelStreamerTest extends GridCommonAbstractTest {
+ /** text/plain media type. */
+ private static final MediaType TEXT_PLAIN = MediaType.parse("text/plain;charset=utf-8");
+
+ /** The test data. */
+ private static final Map<Integer, String> TEST_DATA = new HashMap<>();
+
+ /** The Camel streamer currently under test. */
+ private CamelStreamer<Integer, String> streamer;
+
+ /** The Ignite data streamer. */
+ private IgniteDataStreamer<Integer, String> dataStreamer;
+
+ /** URL where the REST service will be exposed. */
+ private String url;
+
+ /** The UUID of the currently active remote listener. */
+ private UUID remoteLsnr;
+
+ /** The OkHttpClient. */
+ private OkHttpClient httpClient = new OkHttpClient();
+
+ // Initialize the test data.
+ static {
+ for (int i = 0; i < 100; i++)
+ TEST_DATA.put(i, "v" + i);
+ }
+
+ /** Constructor. */
+ public IgniteCamelStreamerTest() {
+ super(true);
+ }
+
+ /** {@inheritDoc} */
+ @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
+ return super.getConfiguration(igniteInstanceName).setIncludeEventTypes(EventType.EVTS_ALL);
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override public void beforeTest() throws Exception {
+ grid().<Integer, String>getOrCreateCache(defaultCacheConfiguration());
+
+ // find an available local port
+ try (ServerSocket ss = new ServerSocket(0)) {
+ int port = ss.getLocalPort();
+
+ url = "http://localhost:" + port + "/ignite";
+ }
+
+ // create Camel streamer
+ dataStreamer = grid().dataStreamer(DEFAULT_CACHE_NAME);
+ streamer = createCamelStreamer(dataStreamer);
+ }
+
+ @Override public void afterTest() throws Exception {
+ try {
+ streamer.stop();
+ }
+ catch (Exception ignored) {
+ // ignore if already stopped
+ }
+
+ dataStreamer.close();
+
+ grid().cache(DEFAULT_CACHE_NAME).clear();
+ }
+
+ /**
+ * @throws Exception
+ */
+ @Test
+ public void testSendOneEntryPerMessage() throws Exception {
+ streamer.setSingleTupleExtractor(singleTupleExtractor());
+
+ // Subscribe to cache PUT events.
+ CountDownLatch latch = subscribeToPutEvents(50);
+
+ // Action time.
+ streamer.start();
+
+ // Send messages.
+ sendMessages(0, 50, false);
+
+ // Assertions.
+ assertTrue(latch.await(10, TimeUnit.SECONDS));
+ assertCacheEntriesLoaded(50);
+ }
+
+ /**
+ * @throws Exception
+ */
+ @Test
+ public void testMultipleEntriesInOneMessage() throws Exception {
+ streamer.setMultipleTupleExtractor(multipleTupleExtractor());
+
+ // Subscribe to cache PUT events.
+ CountDownLatch latch = subscribeToPutEvents(50);
+
+ // Action time.
+ streamer.start();
+
+ // Send messages.
+ sendMessages(0, 50, true);
+
+ // Assertions.
+ assertTrue(latch.await(10, TimeUnit.SECONDS));
+ assertCacheEntriesLoaded(50);
+ }
+
+ /**
+ * @throws Exception
+ */
+ @Test
+ public void testResponseProcessorIsCalled() throws Exception {
+ streamer.setSingleTupleExtractor(singleTupleExtractor());
+ streamer.setResponseProcessor(new Processor() {
+ @Override public void process(Exchange exchange) throws Exception {
+ exchange.getOut().setBody("Foo bar");
+ }
+ });
+
+ // Subscribe to cache PUT events.
+ CountDownLatch latch = subscribeToPutEvents(50);
+
+ // Action time.
+ streamer.start();
+
+ // Send messages.
+ List<String> responses = sendMessages(0, 50, false);
+
+ for (String r : responses)
+ assertEquals("Foo bar", r);
+
+ // Assertions.
+ assertTrue(latch.await(10, TimeUnit.SECONDS));
+ assertCacheEntriesLoaded(50);
+ }
+
+ /**
+ * @throws Exception
+ */
+ @Test
+ public void testUserSpecifiedCamelContext() throws Exception {
+ final AtomicInteger cnt = new AtomicInteger();
+
+ // Create a CamelContext with a probe that'll help us know if it has been used.
+ CamelContext context = new DefaultCamelContext();
+ context.setTracing(true);
+ context.addLifecycleStrategy(new LifecycleStrategySupport() {
+ @Override public void onEndpointAdd(Endpoint endpoint) {
+ cnt.incrementAndGet();
+ }
+ });
+
+ streamer.setSingleTupleExtractor(singleTupleExtractor());
+ streamer.setCamelContext(context);
+
+ // Subscribe to cache PUT events.
+ CountDownLatch latch = subscribeToPutEvents(50);
+
+ // Action time.
+ streamer.start();
+
+ // Send messages.
+ sendMessages(0, 50, false);
+
+ // Assertions.
+ assertTrue(latch.await(10, TimeUnit.SECONDS));
+ assertCacheEntriesLoaded(50);
+ assertTrue(cnt.get() > 0);
+ }
+
+ /**
+ * @throws Exception
+ */
+ @Test
+ public void testUserSpecifiedCamelContextWithPropertyPlaceholders() throws Exception {
+ // Create a CamelContext with a custom property placeholder.
+ CamelContext context = new DefaultCamelContext();
+
+ PropertiesComponent pc = new PropertiesComponent("camel.test.properties");
+
+ context.addComponent("properties", pc);
+
+ // Replace the context path in the test URL with the property placeholder.
+ url = url.replaceAll("/ignite", "{{test.contextPath}}");
+
+ // Recreate the Camel streamer with the new URL.
+ streamer = createCamelStreamer(dataStreamer);
+
+ streamer.setSingleTupleExtractor(singleTupleExtractor());
+ streamer.setCamelContext(context);
+
+ // Subscribe to cache PUT events.
+ CountDownLatch latch = subscribeToPutEvents(50);
+
+ // Action time.
+ streamer.start();
+
+ // Before sending the messages, get the actual URL after the property placeholder was resolved,
+ // stripping the jetty: prefix from it.
+ url = streamer.getCamelContext().getEndpoints().iterator().next().getEndpointUri().replaceAll("jetty:", "");
+
+ // Send messages.
+ sendMessages(0, 50, false);
+
+ // Assertions.
+ assertTrue(latch.await(10, TimeUnit.SECONDS));
+ assertCacheEntriesLoaded(50);
+ }
+
+ /**
+ * @throws Exception
+ */
+ @Test
+ public void testInvalidEndpointUri() throws Exception {
+ streamer.setSingleTupleExtractor(singleTupleExtractor());
+ streamer.setEndpointUri("abc");
+
+ // Action time.
+ try {
+ streamer.start();
+ fail("Streamer started; should have failed.");
+ }
+ catch (IgniteException ignored) {
+ assertTrue(streamer.getCamelContext().getStatus() == ServiceStatus.Stopped);
+ assertTrue(streamer.getCamelContext().getEndpointRegistry().size() == 0);
+ }
+ }
+
+ /**
+ * Creates a Camel streamer.
+ */
+ private CamelStreamer<Integer, String> createCamelStreamer(IgniteDataStreamer<Integer, String> dataStreamer) {
+ CamelStreamer<Integer, String> streamer = new CamelStreamer<>();
+
+ streamer.setIgnite(grid());
+ streamer.setStreamer(dataStreamer);
+ streamer.setEndpointUri("jetty:" + url);
+
+ dataStreamer.allowOverwrite(true);
+ dataStreamer.autoFlushFrequency(1);
+
+ return streamer;
+ }
+
+ /**
+ * @throws IOException
+ * @return HTTP response payloads.
+ */
+ private List<String> sendMessages(int fromIdx, int cnt, boolean singleMessage) throws IOException {
+ List<String> responses = Lists.newArrayList();
+
+ if (singleMessage) {
+ StringBuilder sb = new StringBuilder();
+
+ for (int i = fromIdx; i < fromIdx + cnt; i++)
+ sb.append(i).append(",").append(TEST_DATA.get(i)).append("\n");
+
+ Request request = new Request.Builder()
+ .url(url)
+ .post(RequestBody.create(TEXT_PLAIN, sb.toString()))
+ .build();
+
+ Response response = httpClient.newCall(request).execute();
+
+ responses.add(response.body().string());
+ }
+ else {
+ for (int i = fromIdx; i < fromIdx + cnt; i++) {
+ String payload = i + "," + TEST_DATA.get(i);
+
+ Request request = new Request.Builder()
+ .url(url)
+ .post(RequestBody.create(TEXT_PLAIN, payload))
+ .build();
+
+ Response response = httpClient.newCall(request).execute();
+
+ responses.add(response.body().string());
+ }
+ }
+
+ return responses;
+ }
+
+ /**
+ * Returns a {@link StreamSingleTupleExtractor} for testing.
+ */
+ private static StreamSingleTupleExtractor<Exchange, Integer, String> singleTupleExtractor() {
+ return new StreamSingleTupleExtractor<Exchange, Integer, String>() {
+ @Override public Map.Entry<Integer, String> extract(Exchange exchange) {
+ List<String> s = Splitter.on(",").splitToList(exchange.getIn().getBody(String.class));
+
+ return new GridMapEntry<>(Integer.parseInt(s.get(0)), s.get(1));
+ }
+ };
+ }
+
+ /**
+ * Returns a {@link StreamMultipleTupleExtractor} for testing.
+ */
+ private static StreamMultipleTupleExtractor<Exchange, Integer, String> multipleTupleExtractor() {
+ return new StreamMultipleTupleExtractor<Exchange, Integer, String>() {
+ @Override public Map<Integer, String> extract(Exchange exchange) {
+ final Map<String, String> map = Splitter.on("\n")
+ .omitEmptyStrings()
+ .withKeyValueSeparator(",")
+ .split(exchange.getIn().getBody(String.class));
+
+ final Map<Integer, String> answer = new HashMap<>();
+
+ F.forEach(map.keySet(), new IgniteInClosure<String>() {
+ @Override public void apply(String s) {
+ answer.put(Integer.parseInt(s), map.get(s));
+ }
+ });
+
+ return answer;
+ }
+ };
+ }
+
+ /**
+ * Subscribe to cache put events.
+ */
+ private CountDownLatch subscribeToPutEvents(int expect) {
+ Ignite ignite = grid();
+
+ // Listen to cache PUT events and expect as many as messages as test data items
+ final CountDownLatch latch = new CountDownLatch(expect);
+ @SuppressWarnings("serial") IgniteBiPredicate<UUID, CacheEvent> callback =
+ new IgniteBiPredicate<UUID, CacheEvent>() {
+ @Override public boolean apply(UUID uuid, CacheEvent evt) {
+ latch.countDown();
+
+ return true;
+ }
+ };
+
+ remoteLsnr = ignite.events(ignite.cluster().forCacheNodes(DEFAULT_CACHE_NAME))
+ .remoteListen(callback, null, EVT_CACHE_OBJECT_PUT);
+
+ return latch;
+ }
+
+ /**
+ * Assert a given number of cache entries have been loaded.
+ */
+ private void assertCacheEntriesLoaded(int cnt) {
+ // get the cache and check that the entries are present
+ IgniteCache<Integer, String> cache = grid().cache(DEFAULT_CACHE_NAME);
+
+ // for each key from 0 to count from the TEST_DATA (ordered by key), check that the entry is present in cache
+ for (Integer key : new ArrayList<>(new TreeSet<>(TEST_DATA.keySet())).subList(0, cnt))
+ assertEquals(TEST_DATA.get(key), cache.get(key));
+
+ // assert that the cache exactly the specified amount of elements
+ assertEquals(cnt, cache.size(CachePeekMode.ALL));
+
+ // remove the event listener
+ grid().events(grid().cluster().forCacheNodes(DEFAULT_CACHE_NAME)).stopRemoteListen(remoteLsnr);
+ }
+
+}
diff --git a/modules/camel-ext/src/test/java/org/apache/ignite/stream/camel/IgniteCamelStreamerTestSuite.java b/modules/camel-ext/src/test/java/org/apache/ignite/stream/camel/IgniteCamelStreamerTestSuite.java
new file mode 100644
index 0000000..7028a5c
--- /dev/null
+++ b/modules/camel-ext/src/test/java/org/apache/ignite/stream/camel/IgniteCamelStreamerTestSuite.java
@@ -0,0 +1,29 @@
+/*
+ * 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.ignite.stream.camel;
+
+import org.junit.runner.RunWith;
+import org.junit.runners.Suite;
+
+/**
+ * Camel streamer tests. Included into 'Streamers' run configuration.
+ */
+@RunWith(Suite.class)
+@Suite.SuiteClasses({IgniteCamelStreamerTest.class})
+public class IgniteCamelStreamerTestSuite {
+}
diff --git a/modules/camel-ext/src/test/java/org/apache/ignite/stream/camel/package-info.java b/modules/camel-ext/src/test/java/org/apache/ignite/stream/camel/package-info.java
new file mode 100644
index 0000000..a133a75
--- /dev/null
+++ b/modules/camel-ext/src/test/java/org/apache/ignite/stream/camel/package-info.java
@@ -0,0 +1,22 @@
+/*
+ * 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.
+ */
+
+/**
+ * Contains implementation of Camel Streamer.
+ */
+
+package org.apache.ignite.stream.camel;
diff --git a/modules/camel-ext/src/test/resources/camel.test.properties b/modules/camel-ext/src/test/resources/camel.test.properties
new file mode 100644
index 0000000..30459be
--- /dev/null
+++ b/modules/camel-ext/src/test/resources/camel.test.properties
@@ -0,0 +1,18 @@
+#
+# 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.
+#
+
+test.contextPath = /ignite-properties
diff --git a/pom.xml b/pom.xml
index 88940e3..9d41302 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,6 +52,7 @@
<module>modules/rocketmq-ext</module>
<module>modules/mqtt-ext</module>
<module>modules/storm-ext</module>
+ <module>modules/camel-ext</module>
</modules>
<profiles>
