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

类 SeriesRawDataBatchReader

java.lang.Object

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

所有已实现的接口:

ManagedSeriesReader, IBatchReader

public class SeriesRawDataBatchReader
extends Object
implements ManagedSeriesReader

构造器概要

构造器

构造器和说明
SeriesRawDataBatchReader(PartialPath seriesPath, Set<String> allSensors, TSDataType dataType, QueryContext context, QueryDataSource dataSource, Filter timeFilter, Filter valueFilter, TsFileFilter fileFilter, boolean ascending)
SeriesRawDataBatchReader(PartialPath seriesPath, TSDataType dataType, QueryContext context, List<TsFileResource> seqFileResource, List<TsFileResource> unseqFileResource, Filter timeFilter, Filter valueFilter, boolean ascending)
SeriesRawDataBatchReader(SeriesReader seriesReader)

方法概要

限定符和类型	方法和说明
void	close()
SeriesReader	getSeriesReader()
boolean	hasNextBatch() This method overrides the AbstractDataReader.hasNextOverlappedPage for pause reads, to achieve a continuous read
boolean	hasRemaining()
boolean	isManagedByQueryManager()
BatchData	nextBatch()
void	setHasRemaining(boolean hasRemaining)
void	setManagedByQueryManager(boolean managedByQueryManager)

从类继承的方法 java.lang.Object

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

构造器详细资料

SeriesRawDataBatchReader

public SeriesRawDataBatchReader(SeriesReader seriesReader)

SeriesRawDataBatchReader

public SeriesRawDataBatchReader(PartialPath seriesPath,
                                Set<String> allSensors,
                                TSDataType dataType,
                                QueryContext context,
                                QueryDataSource dataSource,
                                Filter timeFilter,
                                Filter valueFilter,
                                TsFileFilter fileFilter,
                                boolean ascending)

SeriesRawDataBatchReader

public SeriesRawDataBatchReader(PartialPath seriesPath,
                                TSDataType dataType,
                                QueryContext context,
                                List<TsFileResource> seqFileResource,
                                List<TsFileResource> unseqFileResource,
                                Filter timeFilter,
                                Filter valueFilter,
                                boolean ascending)

方法详细资料

hasNextBatch

public boolean hasNextBatch()
                     throws IOException

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

指定者:

hasNextBatch 在接口中 IBatchReader

抛出:

IOException

nextBatch

public BatchData nextBatch()
                    throws IOException

指定者:

nextBatch 在接口中 IBatchReader

抛出:

IOException

close

public void close()
           throws IOException

指定者:

close 在接口中 IBatchReader

抛出:

IOException

isManagedByQueryManager

public boolean isManagedByQueryManager()

指定者:

isManagedByQueryManager 在接口中 ManagedSeriesReader

setManagedByQueryManager

public void setManagedByQueryManager(boolean managedByQueryManager)

指定者:

setManagedByQueryManager 在接口中 ManagedSeriesReader

hasRemaining

public boolean hasRemaining()

指定者:

hasRemaining 在接口中 ManagedSeriesReader

setHasRemaining

public void setHasRemaining(boolean hasRemaining)

指定者:

setHasRemaining 在接口中 ManagedSeriesReader

getSeriesReader

public SeriesReader getSeriesReader()