com.facebook.presto.hive

Class CachingDirectoryLister

java.lang.Object

com.facebook.presto.hive.CachingDirectoryLister

All Implemented Interfaces:

DirectoryLister

public class CachingDirectoryLister
extends Object
implements DirectoryLister

Field Summary

Fields

Modifier and Type	Field and Description
protected DirectoryLister	delegate

Constructor Summary

Constructors

Constructor and Description
CachingDirectoryLister(DirectoryLister delegate, io.airlift.units.Duration expireAfterWrite, long maxSize, List<String> tables)
CachingDirectoryLister(DirectoryLister delegate, HiveClientConfig hiveClientConfig)

Method Summary

Modifier and Type	Method and Description
void	flushCache()
long	getHitCount()
Double	getHitRate()
long	getMissCount()
Double	getMissRate()
long	getRequestCount()
Iterator<HiveFileInfo>	list(ExtendedFileSystem fileSystem, Table table, Path path, NamenodeStats namenodeStats, HiveDirectoryContext hiveDirectoryContext)

Methods inherited from class java.lang.Object

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

Field Detail

delegate

protected final DirectoryLister delegate

Constructor Detail

CachingDirectoryLister

@Inject
public CachingDirectoryLister(DirectoryLister delegate,
                                      HiveClientConfig hiveClientConfig)

CachingDirectoryLister

public CachingDirectoryLister(DirectoryLister delegate,
                              io.airlift.units.Duration expireAfterWrite,
                              long maxSize,
                              List<String> tables)

Method Detail

list

public Iterator<HiveFileInfo> list(ExtendedFileSystem fileSystem,
                                   Table table,
                                   Path path,
                                   NamenodeStats namenodeStats,
                                   HiveDirectoryContext hiveDirectoryContext)

Specified by:

list in interface DirectoryLister

flushCache

public void flushCache()

getHitRate

public Double getHitRate()

getMissRate

public Double getMissRate()

getHitCount

public long getHitCount()

getMissCount

public long getMissCount()

getRequestCount

public long getRequestCount()