public PCClassFileTransformer(MetaDataRepository repos,
    Options opts,
    ClassLoader loader) 
{
                               
        this(repos, toFlags(opts), loader, opts.removeBooleanProperty
            ("scanDevPath", "ScanDevPath", false));
}

Constructor.

Parameters:

repos - metadata repository to use internally

opts - enhancer configuration options

loader - temporary class loader for loading intermediate classes

 public PCClassFileTransformer(MetaDataRepository repos,
    PCEnhancer.Flags flags,
    ClassLoader tmpLoader,
    boolean devscan) 
{
        _repos = repos;
        _tmpLoader = tmpLoader;
        _log = repos.getConfiguration().
            getLog(OpenJPAConfiguration.LOG_ENHANCE);
        _flags = flags;
        _names = repos.getPersistentTypeNames(devscan, tmpLoader);
        if (_names == null && _log.isInfoEnabled())
            _log.info(_loc.get("runtime-enhance-pcclasses"));
}

Constructor.

Parameters:

repos - metadata repository to use internally

flags - enhancer configuration

loader - temporary class loader for loading intermediate classes

devscan - whether to scan the dev classpath for persistent types if none are configured

 public byte[] transform(ClassLoader loader,
    String className,
    Class redef,
    ProtectionDomain domain,
    byte[] bytes) throws IllegalClassFormatException 
{
        if (loader == _tmpLoader)
            return null;
        // prevent re-entrant calls, which can occur if the enhanceing
        // loader is used to also load OpenJPA libraries; this is to prevent 
        // recursive enhancement attempts for internal openjpa libraries
        if (_transforming)
            return null;
        _transforming = true;
        return transform0(className, redef, bytes);
}