Apache Avro 介绍

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Avro implementations for C, C++, C#, Java, PHP, Python, and Ruby can be downloaded from the Apache Avro™ Releases page. This guide uses Avro 1.7.7, the latest version at the time of writing. For the examples in this guide, download avro-1.7.7.jar and avro-tools-1.7.7.jar. The Avro Java implementation also depends on the Jackson JSON library. From the Jackson download page, download the core-asl and mapper-asl jars. Add avro-1.7.7.jar and the Jackson jars to your project’s classpath (avro-tools will be used for code generation).

Alternatively, if you are using Maven, add the following dependency to your POM:

<dependency> <groupId>org.apache.avro</groupId> <artifactId>avro</artifactId> <version>1.7.7</version></dependency>

As well as the Avro Maven plugin (for performing code generation):

<plugin> <groupId>org.apache.avro</groupId> <artifactId>avro-maven-plugin</artifactId> <version>1.7.7</version> <executions> <execution> <phase>generate-sources</phase> <goals> <goal>schema</goal> </goals> <configuration> <sourceDirectory>${project.basedir}/src/main/avro/</sourceDirectory> <outputDirectory>${project.basedir}/src/main/java/</outputDirectory> </configuration> </execution> </executions></plugin><plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.6</source> <target>1.6</target> </configuration></plugin>

You may also build the required Avro jars from source. Building Avro is beyond the scope of this guide; see the Build Documentation page in the wiki for more information.



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