org.iq80.leveldb.impl

Class TableCache

java.lang.Object

org.iq80.leveldb.impl.TableCache

public class TableCache
extends Object

Constructor Summary

Constructors

Constructor and Description
TableCache(File databaseDir, int tableCacheSize, UserComparator userComparator, Options options, Env env)

Method Summary

Modifier and Type	Method and Description
void	close()
void	evict(long number)
<T> T	get(ReadOptions options, Slice key, FileMetaData fileMetaData, KeyValueFunction<T> resultBuilder)
long	getApproximateMemoryUsage()
long	getApproximateOffsetOf(FileMetaData file, Slice key)
void	invalidateAll() Discards all entries in table and block (if any).
InternalTableIterator	newIterator(FileMetaData file, ReadOptions options)
InternalTableIterator	newIterator(long number, ReadOptions options)

Methods inherited from class java.lang.Object

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

Constructor Detail

TableCache

public TableCache(File databaseDir,
                  int tableCacheSize,
                  UserComparator userComparator,
                  Options options,
                  Env env)

Method Detail

newIterator

public InternalTableIterator newIterator(FileMetaData file,
                                         ReadOptions options)
                                  throws IOException

Throws:

IOException

newIterator

public InternalTableIterator newIterator(long number,
                                         ReadOptions options)
                                  throws IOException

Throws:

IOException

get

public <T> T get(ReadOptions options,
                 Slice key,
                 FileMetaData fileMetaData,
                 KeyValueFunction<T> resultBuilder)

getApproximateOffsetOf

public long getApproximateOffsetOf(FileMetaData file,
                                   Slice key)

close

public void close()

invalidateAll

public void invalidateAll()

Discards all entries in table and block (if any).

evict

public void evict(long number)

getApproximateMemoryUsage

public long getApproximateMemoryUsage()