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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abstract 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, defaultCopy, defaultParamMap, explainParam, explainParams, extractParamMap, extractParamMap, get, getDefault, getOrDefault, getParam, hasDefault, hasParam, isDefined, isSet, paramMap, params, set, set, set, setDefault, setDefault, shouldOwn, validateParams
toString, uid
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 abstract PipelineStage copy(ParamMap extra)
Params