Package org.apache.iotdb.tsfile.read.reader.page

Class TimePageReader

java.lang.Object

org.apache.iotdb.tsfile.read.reader.page.TimePageReader

public class TimePageReader
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
protected java.nio.ByteBuffer	timeBuffer	time column in memory
protected Decoder	timeDecoder	decoder for time column

Constructor Summary

Constructors

Constructor	Description
TimePageReader(java.nio.ByteBuffer pageData, Decoder timeDecoder)
TimePageReader(PageHeader pageHeader, java.nio.ByteBuffer pageData, Decoder timeDecoder)

Method Summary

Modifier and Type	Method	Description
java.util.List<TimeRange>	getDeleteIntervalList()
long[]	getNextTimeBatch()	In case that we use sequence read, and the page doesn't have statistics, so we won't know time array's length at first
TimeStatistics	getStatistics()
boolean	hasNextTime()
protected boolean	isDeleted(long timestamp)
boolean	isModified()
long	nextTime()
long[]	nextTimeBatch()
void	setDeleteIntervalList(java.util.List<TimeRange> list)

Methods inherited from class java.lang.Object

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

Field Detail

timeDecoder

protected Decoder timeDecoder

decoder for time column

timeBuffer

protected java.nio.ByteBuffer timeBuffer

time column in memory

Constructor Detail

TimePageReader

public TimePageReader(java.nio.ByteBuffer pageData,
                      Decoder timeDecoder)

TimePageReader

public TimePageReader(PageHeader pageHeader,
                      java.nio.ByteBuffer pageData,
                      Decoder timeDecoder)

Method Detail

hasNextTime

public boolean hasNextTime()
                    throws java.io.IOException

Throws:

java.io.IOException

nextTime

public long nextTime()

nextTimeBatch

public long[] nextTimeBatch()
                     throws java.io.IOException

Throws:

java.io.IOException

getNextTimeBatch

public long[] getNextTimeBatch()
                        throws java.io.IOException

In case that we use sequence read, and the page doesn't have statistics, so we won't know time array's length at first

Throws:

java.io.IOException

getStatistics

public TimeStatistics getStatistics()

setDeleteIntervalList

public void setDeleteIntervalList(java.util.List<TimeRange> list)

getDeleteIntervalList

public java.util.List<TimeRange> getDeleteIntervalList()

isModified

public boolean isModified()

isDeleted

protected boolean isDeleted(long timestamp)