Package org.rocksdb

Class SkipListMemTableConfig

java.lang.Object

org.rocksdb.MemTableConfig

org.rocksdb.SkipListMemTableConfig

public class SkipListMemTableConfig
extends MemTableConfig

The config for skip-list memtable representation.

Field Summary

Fields

Modifier and Type	Field	Description
static final long	DEFAULT_LOOKAHEAD

Constructor Summary

Constructors

Constructor	Description
SkipListMemTableConfig()	SkipListMemTableConfig constructor

Method Summary

Modifier and Type	Method	Description
long	lookahead()	Returns the currently set lookahead value.
protected long	newMemTableFactoryHandle()	This function should only be called by Options.setMemTableConfig(), which will create a c++ shared-pointer to the c++ MemTableRepFactory that associated with the Java MemTableConfig.
SkipListMemTableConfig	setLookahead(long lookahead)	Sets lookahead for SkipList

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_LOOKAHEAD

public static final long DEFAULT_LOOKAHEAD

See Also:

• Constant Field Values

Constructor Details

SkipListMemTableConfig

public SkipListMemTableConfig()

SkipListMemTableConfig constructor

Method Details

setLookahead

public SkipListMemTableConfig setLookahead(long lookahead)

Sets lookahead for SkipList

Parameters:

lookahead - If non-zero, each iterator's seek operation will start the search from the previously visited record (doing at most 'lookahead' steps). This is an optimization for the access pattern including many seeks with consecutive keys.

Returns:

the current instance of SkipListMemTableConfig

lookahead

public long lookahead()

Returns the currently set lookahead value.

Returns:

lookahead value

newMemTableFactoryHandle

protected long newMemTableFactoryHandle()

Description copied from class: MemTableConfig

This function should only be called by Options.setMemTableConfig(), which will create a c++ shared-pointer to the c++ MemTableRepFactory that associated with the Java MemTableConfig.

Specified by:

newMemTableFactoryHandle in class MemTableConfig

Returns:

native handle address to native memory table instance.

See Also:

• Options.setMemTableConfig(MemTableConfig)