org.rocksdb

类 Checkpoint

java.lang.Object

org.rocksdb.AbstractNativeReference

org.rocksdb.AbstractImmutableNativeReference

org.rocksdb.RocksObject

org.rocksdb.Checkpoint

所有已实现的接口:

java.lang.AutoCloseable

public class Checkpoint
extends RocksObject

Provides Checkpoint functionality. Checkpoints provide persistent snapshots of RocksDB databases.

字段概要

从类继承的字段 org.rocksdb.RocksObject

nativeHandle_

从类继承的字段 org.rocksdb.AbstractImmutableNativeReference

owningHandle_

方法概要

限定符和类型	方法和说明
static Checkpoint	create(RocksDB db) Creates a Checkpoint object to be used for creating open-able snapshots.
void	createCheckpoint(java.lang.String checkpointPath) Builds an open-able snapshot of RocksDB on the same disk, which accepts an output directory on the same disk, and under the directory (1) hard-linked SST files pointing to existing live SST files (2) a copied manifest files and other files
protected void	disposeInternal(long handle)

从类继承的方法 org.rocksdb.RocksObject

disposeInternal, getNativeHandle

从类继承的方法 org.rocksdb.AbstractImmutableNativeReference

close, disOwnNativeHandle, isOwningHandle

从类继承的方法 java.lang.Object

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

方法详细资料

create

public static Checkpoint create(RocksDB db)

Creates a Checkpoint object to be used for creating open-able snapshots.

参数:

db - RocksDB instance.

返回:

a Checkpoint instance.

抛出:

java.lang.IllegalArgumentException - if RocksDB instance is null.

java.lang.IllegalStateException - if RocksDB instance is not initialized.

createCheckpoint

public void createCheckpoint(java.lang.String checkpointPath)
                      throws RocksDBException

Builds an open-able snapshot of RocksDB on the same disk, which accepts an output directory on the same disk, and under the directory (1) hard-linked SST files pointing to existing live SST files (2) a copied manifest files and other files

参数:

checkpointPath - path to the folder where the snapshot is going to be stored.

抛出:

RocksDBException - thrown if an error occurs within the native part of the library.

disposeInternal

protected final void disposeInternal(long handle)

指定者:

disposeInternal 在类中 RocksObject