public abstract class PipelineStage extends Object implements Params, Logging
Estimator
or a Transformer
.Constructor and Description |
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PipelineStage() |
Modifier and Type | Method and Description |
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PipelineStage |
copy(ParamMap extra)
Creates a copy of this instance with the same UID and some extra params.
|
abstract StructType |
transformSchema(StructType schema)
:: DeveloperApi ::
|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
clear, copyValues, defaultParamMap, explainParam, explainParams, extractParamMap, extractParamMap, get, getDefault, getOrDefault, getParam, hasDefault, hasParam, isDefined, isSet, paramMap, params, set, set, set, setDefault, setDefault, setDefault, shouldOwn, validateParams
initializeIfNecessary, initializeLogging, isTraceEnabled, log_, log, logDebug, logDebug, logError, logError, logInfo, logInfo, logName, logTrace, logTrace, logWarning, logWarning
public abstract StructType transformSchema(StructType schema)
Derives the output schema from the input schema.
schema
- (undocumented)public PipelineStage copy(ParamMap extra)
Params