Avro Maven Plugin

Giriş

Çalıştırmak için şöyle yaparız

mvn clean generate-sources

Goals

Avro dosyalarından java kodu üretmek içindir. goal olarak

- schema

- protocol

- idl-protocol

verilebilir.

Açıklaması şöyle

The following goals are available:

schema: Generates Java code from Avro schemas.

protocol: Generates Java code from Avro protocols.

idl-protocol: Generates IDL code from Avro protocols.

idl: Generates IDL code from Avro schemas.

The schema goal is the most commonly used goal. It generates Java code that can be used to read and write Avro data. The protocol goal generates Java code that can be used to communicate with Avro services. The idl-protocol goal generates IDL code that can be used to communicate with Avro services from other languages. The idl goal generates IDL code from Avro schemas.

schema Goal

Örnek

Şöyle yaparız. avro dosyaları src/main/avro s dizini altında

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

Örnek

Şöyle yaparız. avro dosyaları "src/main/resources" dizini altında

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

protocol Goal

Örnek

Şöyle yaparız. avro dosyaları "src/main/resources/avro" dizini altında. Ancak çıktılar target dizini altında yazılıyor.

<properties>
  <avro.version>1.10.1</avro.version>
 </properties>

<plugin>
  <groupId>org.apache.avro</groupId>
  <artifactId>avro-maven-plugin</artifactId>
  <version>${avro.version}</version>
  <executions>
    <execution>
      <phase>generate-sources</phase>
      <goals>
        <goal>schema</goal>
          <goal>protocol</goal>
          <goal>idl-protocol</goal>
      </goals>
      <configuration>
        <sourceDirectory>${project.basedir}/src/main/resources/avro</sourceDirectory>
        <stringType>String</stringType>
        <createSetters>false</createSetters>
        <enableDecimalLogicalType>true</enableDecimalLogicalType>
        <fieldVisibility>private</fieldVisibility>
      </configuration>
    </execution>
    </executions>
</plugin>

"target/generated-sources/avro/source" dizinini de source olarak almak için şöyle yaparız. 

<plugin>
  <groupId>org.codehaus.mojo</groupId>
  <artifactId>build-helper-maven-plugin</artifactId>
  <version>3.2.0</version>
  <executions>
    <execution>
      <id>add-source</id>
      <phase>generate-sources</phase>
      <goals>
        <goal>add-source</goal>
      </goals>
      <configuration>
        <sources>
          <source>target/generated-sources/avro</source>
        </sources>
      </configuration>
    </execution>
  </executions>
</plugin>