Package org.apache.iotdb.db.mpp.transformation.dag.transformer.unary

Class RegularTransformer

java.lang.Object

org.apache.iotdb.db.mpp.transformation.dag.transformer.Transformer

org.apache.iotdb.db.mpp.transformation.dag.transformer.unary.UnaryTransformer

org.apache.iotdb.db.mpp.transformation.dag.transformer.unary.RegularTransformer

All Implemented Interfaces:

LayerPointReader, YieldableReader

public class RegularTransformer
extends UnaryTransformer

Field Summary

Fields inherited from class org.apache.iotdb.db.mpp.transformation.dag.transformer.unary.UnaryTransformer

isLayerPointReaderConstant, layerPointReader, layerPointReaderDataType

Fields inherited from class org.apache.iotdb.db.mpp.transformation.dag.transformer.Transformer

cachedBinary, cachedBoolean, cachedDouble, cachedFloat, cachedInt, cachedLong, cachedTime, currentNull, hasCachedValue

Constructor Summary

Constructors

Constructor	Description
RegularTransformer(LayerPointReader layerPointReader, java.util.regex.Pattern pattern)

Method Summary

Modifier and Type	Method	Description
org.apache.iotdb.tsfile.file.metadata.enums.TSDataType	getDataType()
protected void	transformAndCache()

Methods inherited from class org.apache.iotdb.db.mpp.transformation.dag.transformer.unary.UnaryTransformer

cacheValue, isConstantPointReader, yieldValue

Methods inherited from class org.apache.iotdb.db.mpp.transformation.dag.transformer.Transformer

currentBinary, currentBoolean, currentDouble, currentFloat, currentInt, currentLong, currentTime, isCurrentNull, next, readyForNext, yield

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RegularTransformer

public RegularTransformer(LayerPointReader layerPointReader,
                          java.util.regex.Pattern pattern)

Method Detail

getDataType

public org.apache.iotdb.tsfile.file.metadata.enums.TSDataType getDataType()

transformAndCache

protected void transformAndCache()
                          throws QueryProcessException,
                                 java.io.IOException

Specified by:

transformAndCache in class UnaryTransformer

Throws:

QueryProcessException

java.io.IOException