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

Class MemChunkReader

java.lang.Object

org.apache.iotdb.db.query.reader.chunk.MemChunkReader

All Implemented Interfaces:

org.apache.iotdb.tsfile.read.reader.IChunkReader, org.apache.iotdb.tsfile.read.reader.IPointReader

public class MemChunkReader
extends java.lang.Object
implements org.apache.iotdb.tsfile.read.reader.IChunkReader, org.apache.iotdb.tsfile.read.reader.IPointReader

To read chunk data in memory

Constructor Summary

Constructors

Constructor	Description
MemChunkReader(ReadOnlyMemChunk readableChunk, org.apache.iotdb.tsfile.read.filter.basic.Filter filter)

Method Summary

Modifier and Type	Method	Description
void	close()
org.apache.iotdb.tsfile.read.TimeValuePair	currentTimeValuePair()
boolean	hasNextSatisfiedPage()
boolean	hasNextTimeValuePair()
java.util.List<org.apache.iotdb.tsfile.read.reader.IPageReader>	loadPageReaderList()
org.apache.iotdb.tsfile.read.common.BatchData	nextPageData()
org.apache.iotdb.tsfile.read.TimeValuePair	nextTimeValuePair()

Methods inherited from class java.lang.Object

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

Constructor Detail

MemChunkReader

public MemChunkReader(ReadOnlyMemChunk readableChunk,
                      org.apache.iotdb.tsfile.read.filter.basic.Filter filter)

Method Detail

hasNextTimeValuePair

public boolean hasNextTimeValuePair()
                             throws java.io.IOException

Specified by:

hasNextTimeValuePair in interface org.apache.iotdb.tsfile.read.reader.IPointReader

Throws:

java.io.IOException

nextTimeValuePair

public org.apache.iotdb.tsfile.read.TimeValuePair nextTimeValuePair()
                                                             throws java.io.IOException

Specified by:

nextTimeValuePair in interface org.apache.iotdb.tsfile.read.reader.IPointReader

Throws:

java.io.IOException

currentTimeValuePair

public org.apache.iotdb.tsfile.read.TimeValuePair currentTimeValuePair()
                                                                throws java.io.IOException

Specified by:

currentTimeValuePair in interface org.apache.iotdb.tsfile.read.reader.IPointReader

Throws:

java.io.IOException

hasNextSatisfiedPage

public boolean hasNextSatisfiedPage()
                             throws java.io.IOException

Specified by:

hasNextSatisfiedPage in interface org.apache.iotdb.tsfile.read.reader.IChunkReader

Throws:

java.io.IOException

nextPageData

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

Specified by:

nextPageData in interface org.apache.iotdb.tsfile.read.reader.IChunkReader

Throws:

java.io.IOException

close

public void close()

Specified by:

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

Specified by:

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

loadPageReaderList

public java.util.List<org.apache.iotdb.tsfile.read.reader.IPageReader> loadPageReaderList()

Specified by:

loadPageReaderList in interface org.apache.iotdb.tsfile.read.reader.IChunkReader