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Available in versions: Dev (3.19) | Latest (3.18) | 3.17 | 3.16 | 3.15 | 3.14 | 3.13 | 3.12 | 3.11 | 3.10 | 3.9

Running the code generator with Maven

Applies to ✅ Open Source Edition   ✅ Express Edition   ✅ Professional Edition   ✅ Enterprise Edition

There is no substantial difference between running the code generator with Maven or in standalone mode. Both modes use the exact same <configuration/> element. The Maven plugin configuration adds some additional boilerplate around that: 

<plugin>
  <!-- Specify the maven code generator plugin -->
  <!-- Use org.jooq            for the Open Source Edition
           org.jooq.pro        for commercial editions, 
           org.jooq.pro-java-6 for commercial editions with Java 6 support,
           org.jooq.trial      for the free trial edition 
         
       Note: Only the Open Source Edition is hosted on Maven Central. 
             Import the others manually from your distribution -->
  <groupId>org.jooq</groupId>
  <artifactId>jooq-codegen-maven</artifactId>
  <version>3.9.6</version>

  <executions>
    <execution>
      <id>jooq-codegen</id>
      <phase>generate-sources</phase>
      <goals>
        <goal>generate</goal>
      </goals>
    </execution>
  </executions>

  <configuration>
    ...
  </configuration>
</plugin>

Additional Maven-specific flags

There are, however, some additional, Maven-specific flags that can be specified with the jooq-codegen-maven plugin only: 

<plugin>
  ...
      <configuration>

        <!-- A boolean property (or constant) can be specified here to tell the plugin not to do anything -->
        <skip>${skip.jooq.generation}</skip>

        <!-- Instead of providing an inline configuration here, you can specify an external XML configuration file here -->
        <configurationFile>${externalfile}</configurationFile>
      </configuration>
  ...
</plugin>

Maven plugin inheritance mechanism

As with any other Maven plugin configuration, you can profit from Maven's powerful plugin inheritance mechanism. This is particularly useful when you configure several code generation runs for jOOQ, e.g.

  • Different configurations for different tenants
  • Different configurations for different schemas
  • Different configurations for different environments

One approach would be to use a <pluginManagement/> configuration 

<pluginManagement>
  <plugins>
    <plugin>
      <!-- Use org.jooq                for the Open Source Edition
               org.jooq.pro            for commercial editions with Java 17 support, 
               org.jooq.pro-java-11    for commercial editions with Java 11 support,
               org.jooq.pro-java-8     for commercial editions with Java 8 support,
               org.jooq.trial          for the free trial edition with Java 17 support, 
               org.jooq.trial-java-11  for the free trial edition with Java 11 support, 
               org.jooq.trial-java-8   for the free trial edition with Java 8 support 
               
           Note: Only the Open Source Edition is hosted on Maven Central. 
                 Import the others manually from your distribution -->
      <groupId>org.jooq</groupId>
      <artifactId>jooq-codegen-maven</artifactId>
      <configuration>
        
        <!-- Log at WARN level by default -->
        <logging>WARN</logging>
        <generator>
          <generate>
            
            <!-- Never generate deprecated code -->
            <deprecated>false</deprecated>
          </generate>
          <database>
            <forcedTypes>
            
              <!-- Use BIGINT for all ID columns -->
              <forcedType>
                <name>BIGINT</name>
                <includeExpression>ID</includeExpression>
              </forcedType>
            </forcedTypes>
          </database>
        </generator>
      </configuration>
    </plugin>
  </plugins>
</pluginManagement>

The above now applies to all of your jooq-codegen-maven plugin configurations by default. Now, in some module or execution, you may want to enhance / override the above defaults: 

<plugin>
  <groupId>org.jooq</groupId>
  <artifactId>jooq-codegen-maven</artifactId>
  <configuration>
    
    <!-- Log at INFO level by in this particular configuration -->
    <logging>INFO</logging>
    <generator>
      <database>
        <!-- Append additional forced type children to the default, rather
             than merging or replacing the default -->
        <forcedTypes combine.children="append">
          <forcedType>
            <name>BIGINT</name>
            <includeExpression>.*_ID</includeExpression>
          </forcedType>
        </forcedTypes>
      </database>
    </generator>
  </configuration>
</plugin>

Please refer to the Maven documentation for more details.


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