org.apache.hudi.io

Class HoodieReadHandle<T,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, HoodieMergedReadHandle, HoodieRangeInfoHandle

public abstract class HoodieReadHandle<T,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, hoodieTable, instantTime, storage

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
protected HoodieFileReader	createNewFileReader()
protected HoodieFileReader	createNewFileReader(HoodieBaseFile hoodieBaseFile)
String	getFileId()
protected HoodieBaseFile	getLatestBaseFile()
Pair<String,String>	getPartitionPathFileIDPair()
HoodieStorage	getStorage()

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)

HoodieReadHandle

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

Method Detail

getStorage

public HoodieStorage getStorage()

Specified by:

getStorage in class HoodieIOHandle<T,I,K,O>

getPartitionPathFileIDPair

public Pair<String,String> getPartitionPathFileIDPair()

getFileId

public String getFileId()

getLatestBaseFile

protected HoodieBaseFile getLatestBaseFile()

createNewFileReader

protected HoodieFileReader createNewFileReader()
                                        throws IOException

Throws:

IOException

createNewFileReader

protected HoodieFileReader createNewFileReader(HoodieBaseFile hoodieBaseFile)
                                        throws IOException

Throws:

IOException