INTEXT-61 - Add Voldemort Sample
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Gunnar Hillert
63
samples/voldemort/README.md
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63
samples/voldemort/README.md
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Spring Integration - Project Voldemort Sample
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=============================================
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## Overview
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This sample illustrates the usage of the [Voldemort][] adapters provided by the [Spring Integration Extensions][] project. The samples provides 2 simple use-cases:
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1. A user-entered String is persisted to [Voldemort][] using the *Voldemort Outbound Channel Adapter*.
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2. [Voldemort][] is polled every 5 seconds using the *Voldemort Inbound Channel Adapter* and the retrieved values are printed to the console using the *Logging Channel Adapter*.
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## Requirements
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This sample requires a [Voldemort][] instance to be running locally on port 6666. In case you need to customize, please modify the respective values in `src/main/resources/META-INF/spring/integration/spring-integration-context.xml`.
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```xml
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<bean id="config" class="voldemort.client.ClientConfig">
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<property name="bootstrapUrls" value="tcp://localhost:6666" />
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</bean>
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```
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## How to Run the Sample
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You can run the Voldemort sample by either:
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* running the "Main" class from within STS (Right-click on Main class --> Run As --> Java Application)
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* or from the command line:
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- mvn package
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- mvn exec:java
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Once the application is started, you will be asked to entered a String:
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13:24:54.275 INFO [org.springframework.integration.samples.voldemort.Main.main()][org.springframework.integration.samples.voldemort.Main]
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=========================================================
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Welcome to the Spring Integration Voldemort Sample!
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For more information please visit:
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http://www.springsource.org/spring-integration
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=========================================================
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13:24:55.460 INFO [org.springframework.integration.samples.voldemort.Main.main()][org.springframework.integration.samples.voldemort.Main]
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=========================================================
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Please press 'q + Enter' to quit the application.
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=========================================================
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Please enter a string and press <enter>: myString
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Persisting String: 'myString' with key 'hello'.
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Every time the Voldemort database is polled, you will the following output:
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13:27:40.449 INFO [task-scheduler-10][org.springframework.integration.samples.voldemort] [Payload=myString][Headers={timestamp=1364923660449, id=6c861b02-5084-4606-b7bb-b1910e14598f, voldemort_key=hello}]
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13:27:45.449 INFO [task-scheduler-2][org.springframework.integration.samples.voldemort] [Payload=myString][Headers={timestamp=1364923665449, id=8f6eaecc-08ec-41eb-815b-7140d2b660a0, voldemort_key=hello}]
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--------------------------------------------------------------------------------
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For help please take a look at the Spring Integration documentation:
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http://www.springsource.org/spring-integration
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[Spring Integration Extensions]: https://github.com/SpringSource/spring-integration-extensions
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[Voldemort]: http://www.project-voldemort.com/
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99
samples/voldemort/pom.xml
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99
samples/voldemort/pom.xml
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.springframework.integration.samples</groupId>
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<artifactId>voldemort</artifactId>
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<version>1.0.0.BUILD-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>voldemort-sample</name>
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<url>http://www.springsource.org/spring-integration</url>
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<prerequisites>
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<maven>2.2.1</maven>
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</prerequisites>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<spring.integration.voldemort.version>1.0.0.BUILD-SNAPSHOT</spring.integration.voldemort.version>
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<log4j.version>1.2.17</log4j.version>
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<junit.version>4.11</junit.version>
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</properties>
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<repositories>
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<repository>
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<id>repo.springsource.org.milestone</id>
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<name>Spring Framework Maven Milestone Repository</name>
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<url>https://repo.springsource.org/libs-milestone</url>
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</repository>
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</repositories>
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<build>
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<plugins>
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<plugin>
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<artifactId>maven-eclipse-plugin</artifactId>
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<version>2.9</version>
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<configuration>
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<additionalProjectnatures>
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<projectnature>org.springframework.ide.eclipse.core.springnature</projectnature>
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</additionalProjectnatures>
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<additionalBuildcommands>
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<buildcommand>org.springframework.ide.eclipse.core.springbuilder</buildcommand>
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</additionalBuildcommands>
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<downloadSources>true</downloadSources>
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<downloadJavadocs>true</downloadJavadocs>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.0</version>
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<configuration>
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<source>1.6</source>
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<target>1.6</target>
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<compilerArgument>-Xlint:all</compilerArgument>
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<showWarnings>true</showWarnings>
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<showDeprecation>true</showDeprecation>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.codehaus.mojo</groupId>
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<artifactId>exec-maven-plugin</artifactId>
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<version>1.2.1</version>
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<configuration>
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<mainClass>org.springframework.integration.samples.voldemort.Main</mainClass>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<dependencies>
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<!-- Testing -->
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>${junit.version}</version>
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<scope>test</scope>
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</dependency>
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<!-- Spring Integration -->
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<dependency>
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<groupId>org.springframework.integration</groupId>
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<artifactId>spring-integration-voldemort</artifactId>
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<version>${spring.integration.voldemort.version}</version>
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</dependency>
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<!-- Logging -->
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<dependency>
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<groupId>log4j</groupId>
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<artifactId>log4j</artifactId>
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<version>${log4j.version}</version>
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</dependency>
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</dependencies>
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</project>
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@@ -0,0 +1,107 @@
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/*
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* Copyright 2002-2013 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.samples.voldemort;
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import java.util.Scanner;
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import org.apache.log4j.Logger;
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import org.springframework.context.support.AbstractApplicationContext;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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import org.springframework.integration.samples.voldemort.service.BusinessService;
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/**
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* Starts the Spring Context and will initialize the Spring Integration routes.
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*
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* @author Gunnar Hillert
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* @since 1.0
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*
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*/
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public final class Main {
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private static final Logger LOGGER = Logger.getLogger(Main.class);
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private Main() { }
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/**
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* Load the Spring Integration Application Context
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*
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* @param args - command line arguments
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*/
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public static void main(final String... args) {
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if (LOGGER.isInfoEnabled()) {
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LOGGER.info("\n========================================================="
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+ "\n "
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+ "\n Welcome to Spring Integration! "
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+ "\n "
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+ "\n For more information please visit: "
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+ "\n http://www.springsource.org/spring-integration "
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+ "\n "
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+ "\n=========================================================" );
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}
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final AbstractApplicationContext context =
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new ClassPathXmlApplicationContext("classpath:META-INF/spring/integration/*-context.xml");
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context.registerShutdownHook();
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final Scanner scanner = new Scanner(System.in);
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final BusinessService service = context.getBean(BusinessService.class);
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if (LOGGER.isInfoEnabled()) {
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LOGGER.info("\n========================================================="
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+ "\n "
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+ "\n Please press 'q + Enter' to quit the application. "
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+ "\n "
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+ "\n=========================================================" );
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}
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System.out.print("Please enter a string and press <enter>: ");
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final String key = "hello";
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while (true) {
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final String data = scanner.nextLine();
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if("q".equals(data.trim())) {
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break;
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}
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try {
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System.out.println(String.format("Persisting String: '%s' with key '%s'.", data, key));
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service.saveData(key, data);
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} catch (Exception e) {
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LOGGER.error("An exception was caught: " + e);
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}
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System.out.print("Please enter a string and press <enter>:");
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}
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if (LOGGER.isInfoEnabled()) {
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LOGGER.info("Exiting application...bye.");
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}
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System.exit(0);
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}
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}
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@@ -0,0 +1,30 @@
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/*
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* Copyright 2002-2013 the original author or authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.integration.samples.voldemort.service;
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import org.springframework.integration.annotation.Header;
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/**
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*
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* @author Gunnar Hillert
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* @since 1.0
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*
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*/
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public interface BusinessService {
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String saveData(@Header("voldemort_key") String key, String stringToPersist);
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}
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:int="http://www.springframework.org/schema/integration"
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xmlns:int-voldemort="http://www.springframework.org/schema/integration/voldemort"
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xsi:schemaLocation="http://www.springframework.org/schema/integration http://www.springframework.org/schema/integration/spring-integration-2.2.xsd
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http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/integration/voldemort http://www.springframework.org/schema/integration/voldemort/spring-integration-voldemort.xsd">
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<int:channel id="requestChannel"/>
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<!-- See also:
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http://static.springsource.org/spring-integration/reference/htmlsingle/#gateway-proxy
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http://www.eaipatterns.com/MessagingGateway.html -->
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<int:gateway id="gateway"
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default-request-timeout="5000"
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default-reply-timeout="5000"
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default-request-channel="requestChannel"
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service-interface="org.springframework.integration.samples.voldemort.service.BusinessService">
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<int:method name="saveData"/>
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</int:gateway>
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<bean id="config" class="voldemort.client.ClientConfig">
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<property name="bootstrapUrls" value="tcp://localhost:6666" />
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</bean>
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<bean id="clientFactory" class="voldemort.client.SocketStoreClientFactory" destroy-method="close">
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<constructor-arg name="config" ref="config" />
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</bean>
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<bean id="storeClient" factory-bean="clientFactory" factory-method="getStoreClient">
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<constructor-arg value="test" />
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</bean>
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<int-voldemort:outbound-channel-adapter store-client="storeClient"
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channel="requestChannel" />
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<int-voldemort:inbound-channel-adapter store-client="storeClient" search-key="hello"
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channel="loggit" >
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<int:poller fixed-rate="5000"/>
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</int-voldemort:inbound-channel-adapter>
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<int:logging-channel-adapter id="loggit" log-full-message="true" logger-name="org.springframework.integration.samples.voldemort"/>
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</beans>
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28
samples/voldemort/src/main/resources/log4j.xml
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28
samples/voldemort/src/main/resources/log4j.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
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<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
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<!-- Appenders -->
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<appender name="console" class="org.apache.log4j.ConsoleAppender">
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<param name="Target" value="System.out" />
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<layout class="org.apache.log4j.PatternLayout">
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<param name="ConversionPattern" value="%d{HH:mm:ss.SSS} %-5p [%t][%c] %m%n" />
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</layout>
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</appender>
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<!-- Loggers -->
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<logger name="org.springframework.integration">
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<level value="warn" />
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</logger>
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<logger name="org.springframework.integration.samples.voldemort">
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<level value="info" />
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</logger>
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<!-- Root Logger -->
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<root>
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<priority value="warn" />
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<appender-ref ref="console" />
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</root>
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</log4j:configuration>
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