org.apache.hudi.io

Class HoodieReadHandle<T extends HoodieRecordPayload,I,K,O>

java.lang.Object

org.apache.hudi.io.HoodieIOHandle<T,I,K,O>

org.apache.hudi.io.HoodieReadHandle<T,I,K,O>

Direct Known Subclasses:

HoodieKeyLocationFetchHandle, HoodieKeyLookupHandle, HoodieRangeInfoHandle

public abstract class HoodieReadHandle<T extends HoodieRecordPayload,I,K,O>
extends HoodieIOHandle<T,I,K,O>

Base class for read operations done logically on the file group.

Field Summary

Fields

Modifier and Type	Field and Description
protected Pair<String,String>	partitionPathFileIDPair

Fields inherited from class org.apache.hudi.io.HoodieIOHandle

config, fs, hoodieTable, instantTime

Constructor Summary

Constructors

Constructor and Description
HoodieReadHandle(HoodieWriteConfig config, HoodieTable<T,I,K,O> hoodieTable, Pair<String,String> partitionPathFileIDPair)

Method Summary

Modifier and Type	Method and Description
protected HoodieFileReader	createNewFileReader()
String	getFileId()
protected org.apache.hadoop.fs.FileSystem	getFileSystem()
protected HoodieBaseFile	getLatestDataFile()
Pair<String,String>	getPartitionPathFileIDPair()

Methods inherited from class java.lang.Object

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

Field Detail

partitionPathFileIDPair

protected final Pair<String,String> partitionPathFileIDPair

Constructor Detail

HoodieReadHandle

public HoodieReadHandle(HoodieWriteConfig config,
                        HoodieTable<T,I,K,O> hoodieTable,
                        Pair<String,String> partitionPathFileIDPair)

Method Detail

getFileSystem

protected org.apache.hadoop.fs.FileSystem getFileSystem()

Specified by:

getFileSystem in class HoodieIOHandle<T extends HoodieRecordPayload,I,K,O>

getPartitionPathFileIDPair

public Pair<String,String> getPartitionPathFileIDPair()

getFileId

public String getFileId()

getLatestDataFile

protected HoodieBaseFile getLatestDataFile()

createNewFileReader

protected HoodieFileReader createNewFileReader()
                                        throws IOException

Throws:

IOException