Class TransactionScopeCachingDirectoryLister

java.lang.Object

io.trino.plugin.hive.fs.TransactionScopeCachingDirectoryLister

All Implemented Interfaces:

DirectoryLister, TableInvalidationCallback

public class TransactionScopeCachingDirectoryLister
extends Object
implements DirectoryLister

Caches directory content (including listings that were started concurrently). TransactionScopeCachingDirectoryLister assumes that all listings are performed by same user within single transaction, therefore any failure can be shared between concurrent listings.

Constructor Summary

Constructors

Constructor	Description
TransactionScopeCachingDirectoryLister(DirectoryLister delegate, long transactionId, com.google.common.cache.Cache<TransactionDirectoryListingCacheKey,io.trino.plugin.hive.fs.TransactionScopeCachingDirectoryLister.FetchingValueHolder> cache)

Method Summary

Modifier and Type	Method	Description
void	invalidate(Location location)
void	invalidate(Partition partition)
void	invalidate(Table table)
void	invalidateAll()
boolean	isCached(Location location)
RemoteIterator<TrinoFileStatus>	listFilesRecursively(TrinoFileSystem fs, Table table, Location location)

Methods inherited from class java.lang.Object

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

Constructor Details

TransactionScopeCachingDirectoryLister

public TransactionScopeCachingDirectoryLister(DirectoryLister delegate,
 long transactionId,
 com.google.common.cache.Cache<TransactionDirectoryListingCacheKey,io.trino.plugin.hive.fs.TransactionScopeCachingDirectoryLister.FetchingValueHolder> cache)

Method Details

listFilesRecursively

public RemoteIterator<TrinoFileStatus> listFilesRecursively(TrinoFileSystem fs,
 Table table,
 Location location)
                                                     throws IOException

Specified by:

listFilesRecursively in interface DirectoryLister

Throws:

IOException

invalidate

public void invalidate(Location location)

Specified by:

invalidate in interface TableInvalidationCallback

invalidate

public void invalidate(Table table)

Specified by:

invalidate in interface TableInvalidationCallback

invalidate

public void invalidate(Partition partition)

Specified by:

invalidate in interface TableInvalidationCallback

invalidateAll

public void invalidateAll()

Specified by:

invalidateAll in interface TableInvalidationCallback

isCached

public boolean isCached(Location location)

Specified by:

isCached in interface TableInvalidationCallback