public void decorate(String decorator) {
        ISourceDecorator<ISource> sourceDecorator = SourceDecoratorManager.DECORATOR_MAP.get(decorator);
        sourceDecorator.decorate(this);
    }
Get the decorator through given name and invoke.
@param decorator The decorator class simpleName.
oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/source/Endpoint.java