Github user peedeeX21 commented on the pull request: https://github.com/apache/flink/pull/700#issuecomment-116850459 I am having some trouble to fit our predictor into the new API. The problem is, that with `PredictOperation` the type of the model has to be defined. A `DataSet` of this type is the output of the `getModel`. For the `predict` method the input is just an object of this type. In our case our model is a `DataSet` of `LabeledVectors` (the centroids). This means I can not implement a `PredictOperation` due to that restriction. For me the API feels a bit inconsistent in that case For now I implemented only an `PredictDataSetOperation`.
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