org.codehaus.janino.ClassBodyEvaluator Java Examples

The following examples show how to use org.codehaus.janino.ClassBodyEvaluator. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: RexExecutable.java    From Bats with Apache License 2.0 6 votes vote down vote up 
private static Function1<DataContext, Object[]> compile(String code,
    Object reason) {
  try {
    final ClassBodyEvaluator cbe = new ClassBodyEvaluator();
    cbe.setClassName(GENERATED_CLASS_NAME);
    cbe.setExtendedClass(Utilities.class);
    cbe.setImplementedInterfaces(new Class[] {Function1.class, Serializable.class});
    cbe.setParentClassLoader(RexExecutable.class.getClassLoader());
    cbe.cook(new Scanner(null, new StringReader(code)));
    Class c = cbe.getClazz();
    //noinspection unchecked
    final Constructor<Function1<DataContext, Object[]>> constructor =
        c.getConstructor();
    return constructor.newInstance();
  } catch (CompileException | IOException | InstantiationException
      | IllegalAccessException | InvocationTargetException
      | NoSuchMethodException e) {
    throw new RuntimeException("While compiling " + reason, e);
  }
}
Example #2
Source File: RexExecutable.java    From Quicksql with MIT License 6 votes vote down vote up 
private static Function1<DataContext, Object[]> compile(String code,
    Object reason) {
  try {
    final ClassBodyEvaluator cbe = new ClassBodyEvaluator();
    cbe.setClassName(GENERATED_CLASS_NAME);
    cbe.setExtendedClass(Utilities.class);
    cbe.setImplementedInterfaces(new Class[] {Function1.class, Serializable.class});
    cbe.setParentClassLoader(RexExecutable.class.getClassLoader());
    cbe.cook(new Scanner(null, new StringReader(code)));
    Class c = cbe.getClazz();
    //noinspection unchecked
    final Constructor<Function1<DataContext, Object[]>> constructor =
        c.getConstructor();
    return constructor.newInstance();
  } catch (CompileException | IOException | InstantiationException
      | IllegalAccessException | InvocationTargetException
      | NoSuchMethodException e) {
    throw new RuntimeException("While compiling " + reason, e);
  }
}
Example #3
Source File: RexExecutable.java    From calcite with Apache License 2.0 6 votes vote down vote up 
private static Function1<DataContext, Object[]> compile(String code,
    Object reason) {
  try {
    final ClassBodyEvaluator cbe = new ClassBodyEvaluator();
    cbe.setClassName(GENERATED_CLASS_NAME);
    cbe.setExtendedClass(Utilities.class);
    cbe.setImplementedInterfaces(new Class[] {Function1.class, Serializable.class});
    cbe.setParentClassLoader(RexExecutable.class.getClassLoader());
    cbe.cook(new Scanner(null, new StringReader(code)));
    Class c = cbe.getClazz();
    //noinspection unchecked
    final Constructor<Function1<DataContext, Object[]>> constructor =
        c.getConstructor();
    return constructor.newInstance();
  } catch (CompileException | IOException | InstantiationException
      | IllegalAccessException | InvocationTargetException
      | NoSuchMethodException e) {
    throw new RuntimeException("While compiling " + reason, e);
  }
}