Package org.apache.iotdb.db.query.externalsort.serialize.impl

Class FixLengthIExternalSortFileDeserializer

java.lang.Object

org.apache.iotdb.db.query.externalsort.serialize.impl.FixLengthIExternalSortFileDeserializer

All Implemented Interfaces:

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

public class FixLengthIExternalSortFileDeserializer
extends java.lang.Object
implements IExternalSortFileDeserializer

FileFormat: [Header][Body]

[Header] = [DataTypeLength] + [DataTypeInStringBytes]

[DataTypeLength] = 4 bytes.

Constructor Summary

Constructors

Constructor	Description
FixLengthIExternalSortFileDeserializer(java.lang.String tmpFilePath)

Method Summary

Modifier and Type	Method	Description
void	close()
java.lang.String	getTmpFilePath()
boolean	hasNextTimeValuePair()
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

Methods inherited from interface org.apache.iotdb.db.query.externalsort.serialize.IExternalSortFileDeserializer

currentTimeValuePair

Constructor Detail

FixLengthIExternalSortFileDeserializer

public FixLengthIExternalSortFileDeserializer(java.lang.String tmpFilePath)
                                       throws java.io.IOException

Throws:

java.io.IOException

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

close

public void close()
           throws java.io.IOException

Specified by:

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

Throws:

java.io.IOException

getTmpFilePath

public java.lang.String getTmpFilePath()