Scan.java 文件源码

@SuppressWarnings("unchecked")
private Writable createForName(String className) {
    try {
        Class<? extends Writable> clazz = (Class<? extends Writable>) Class
                .forName(className);
        return WritableFactories.newInstance(clazz, new Configuration());
    } catch (ClassNotFoundException e) {
        throw new RuntimeException("Can't find class " + className);
    }
}