VectorAssembler无法强制转换为org.apache.spark.ml.feature.OneHotEncoder

Question

是否可以将VectorAssembler转换为OneHotEncoder？

以下代码是我疯狂的测试。

Pipeline lPipeline = new Pipeline();
lPipeline.setStages(this.getPipelineStages());
OneHotEncoder lOHE1 = (OneHotEncoder)lPipeline.getStages()[2];