Package org.apache.iotdb.db.query.reader.series

Class SeriesRawDataBatchReader

java.lang.Object

org.apache.iotdb.db.query.reader.series.SeriesRawDataBatchReader

All Implemented Interfaces:

ManagedSeriesReader, org.apache.iotdb.tsfile.read.reader.IBatchReader

public class SeriesRawDataBatchReader
extends java.lang.Object
implements ManagedSeriesReader

Constructor Summary

Constructors

Constructor	Description
SeriesRawDataBatchReader(org.apache.iotdb.commons.path.PartialPath seriesPath, java.util.Set<java.lang.String> allSensors, org.apache.iotdb.tsfile.file.metadata.enums.TSDataType dataType, QueryContext context, QueryDataSource dataSource, org.apache.iotdb.tsfile.read.filter.basic.Filter timeFilter, org.apache.iotdb.tsfile.read.filter.basic.Filter valueFilter, TsFileFilter fileFilter, boolean ascending)
SeriesRawDataBatchReader(org.apache.iotdb.commons.path.PartialPath seriesPath, org.apache.iotdb.tsfile.file.metadata.enums.TSDataType dataType, QueryContext context, java.util.List<TsFileResource> seqFileResource, java.util.List<TsFileResource> unseqFileResource, org.apache.iotdb.tsfile.read.filter.basic.Filter timeFilter, org.apache.iotdb.tsfile.read.filter.basic.Filter valueFilter, boolean ascending)
SeriesRawDataBatchReader(SeriesReader seriesReader)

Method Summary

Modifier and Type	Method	Description
void	close()
SeriesReader	getSeriesReader()
boolean	hasNextBatch()	This method overrides the AbstractDataReader.hasNextOverlappedPage for pause reads, to achieve a continuous read
boolean	hasRemaining()
boolean	isManagedByQueryManager()
org.apache.iotdb.tsfile.read.common.BatchData	nextBatch()
void	setHasRemaining(boolean hasRemaining)
void	setManagedByQueryManager(boolean managedByQueryManager)

Methods inherited from class java.lang.Object

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

Constructor Detail

SeriesRawDataBatchReader

public SeriesRawDataBatchReader(SeriesReader seriesReader)

SeriesRawDataBatchReader

public SeriesRawDataBatchReader(org.apache.iotdb.commons.path.PartialPath seriesPath,
                                java.util.Set<java.lang.String> allSensors,
                                org.apache.iotdb.tsfile.file.metadata.enums.TSDataType dataType,
                                QueryContext context,
                                QueryDataSource dataSource,
                                org.apache.iotdb.tsfile.read.filter.basic.Filter timeFilter,
                                org.apache.iotdb.tsfile.read.filter.basic.Filter valueFilter,
                                TsFileFilter fileFilter,
                                boolean ascending)

SeriesRawDataBatchReader

public SeriesRawDataBatchReader(org.apache.iotdb.commons.path.PartialPath seriesPath,
                                org.apache.iotdb.tsfile.file.metadata.enums.TSDataType dataType,
                                QueryContext context,
                                java.util.List<TsFileResource> seqFileResource,
                                java.util.List<TsFileResource> unseqFileResource,
                                org.apache.iotdb.tsfile.read.filter.basic.Filter timeFilter,
                                org.apache.iotdb.tsfile.read.filter.basic.Filter valueFilter,
                                boolean ascending)

Method Detail

hasNextBatch

public boolean hasNextBatch()
                     throws java.io.IOException

This method overrides the AbstractDataReader.hasNextOverlappedPage for pause reads, to achieve a continuous read

Specified by:

hasNextBatch in interface org.apache.iotdb.tsfile.read.reader.IBatchReader

Throws:

java.io.IOException

nextBatch

public org.apache.iotdb.tsfile.read.common.BatchData nextBatch()
                                                        throws java.io.IOException

Specified by:

nextBatch in interface org.apache.iotdb.tsfile.read.reader.IBatchReader

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface org.apache.iotdb.tsfile.read.reader.IBatchReader

Throws:

java.io.IOException

isManagedByQueryManager

public boolean isManagedByQueryManager()

Specified by:

isManagedByQueryManager in interface ManagedSeriesReader

setManagedByQueryManager

public void setManagedByQueryManager(boolean managedByQueryManager)

Specified by:

setManagedByQueryManager in interface ManagedSeriesReader

hasRemaining

public boolean hasRemaining()

Specified by:

hasRemaining in interface ManagedSeriesReader

setHasRemaining

public void setHasRemaining(boolean hasRemaining)

Specified by:

setHasRemaining in interface ManagedSeriesReader

getSeriesReader

public SeriesReader getSeriesReader()