Package org.codehaus.groovy.control

## Class CompilationUnit.ClassgenCallback

- java.lang.Object
- - org.codehaus.groovy.control.CompilationUnit.ClassgenCallback

- Direct Known Subclasses:
    `GroovyClassLoader.ClassCollector`
  Enclosing class:
    CompilationUnit

      public abstract static class CompilationUnit.ClassgenCallback
      extends java.lang.Object

  A callback interface you can use to "accompany" the classgen() code as it traverses the ClassNode tree. You will be called-back for each primary and inner class. Use setClassgenCallback() before running compile() to set your callback.

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `ClassgenCallback()` |

  - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `abstract void` | `call​(org.objectweb.asm.ClassVisitor writer, ClassNode node)` |

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### ClassgenCallback

          public ClassgenCallback()

  - ### Method Detail

    - #### call

          public abstract void call​(org.objectweb.asm.ClassVisitor writer,
                                    ClassNode node)
                             throws CompilationFailedException

      Throws:
        `CompilationFailedException`