com.alibaba.nacos.core.storage.kv

接口 KvStorage

所有已知实现类:

FileKvStorage, MemoryKvStorage

public interface KvStorage

Universal KV storage interface.

作者:

liaochuntao

嵌套类概要

嵌套类

限定符和类型	接口和说明
static class	KvStorage.KvType

方法概要

限定符和类型	方法和说明
java.util.List<byte[]>	allKeys() Get all keys.
void	batchDelete(java.util.List<byte[]> keys) batch delete with keys.
java.util.Map<byte[],byte[]>	batchGet(java.util.List<byte[]> keys) batch get by List byte[].
void	batchPut(java.util.List<byte[]> keys, java.util.List<byte[]> values) batch write.
void	delete(byte[] key) delete with key.
void	doSnapshot(java.lang.String backupPath) do snapshot.
byte[]	get(byte[] key) get data by key.
void	put(byte[] key, byte[] value) write data.
void	shutdown() shutdown.
void	snapshotLoad(java.lang.String path) load snapshot.

方法详细资料

get

byte[] get(byte[] key)
    throws KvStorageException

get data by key.

参数:

key - byte[]

返回:

byte[]

抛出:

KvStorageException - KVStorageException

batchGet

java.util.Map<byte[],byte[]> batchGet(java.util.List<byte[]> keys)
                               throws KvStorageException

batch get by List byte[].

参数:

keys - List byte[]

返回:

Map byte[], byte[]

抛出:

KvStorageException - KvStorageException

put

void put(byte[] key,
         byte[] value)
  throws KvStorageException

write data.

参数:

key - byte[]

value - byte[]

抛出:

KvStorageException - KvStorageException

batchPut

void batchPut(java.util.List<byte[]> keys,
              java.util.List<byte[]> values)
       throws KvStorageException

batch write.

参数:

keys - List byte[]

values - List byte[]

抛出:

KvStorageException - KvStorageException

delete

void delete(byte[] key)
     throws KvStorageException

delete with key.

参数:

key - byte[]

抛出:

KvStorageException - KvStorageException

batchDelete

void batchDelete(java.util.List<byte[]> keys)
          throws KvStorageException

batch delete with keys.

参数:

keys - List byte[]

抛出:

KvStorageException - KvStorageException

doSnapshot

void doSnapshot(java.lang.String backupPath)
         throws KvStorageException

do snapshot.

参数:

backupPath - snapshot file save path

抛出:

KvStorageException - KVStorageException

snapshotLoad

void snapshotLoad(java.lang.String path)
           throws KvStorageException

load snapshot.

参数:

path - The path to the snapshot file

抛出:

KvStorageException - KVStorageException

allKeys

java.util.List<byte[]> allKeys()
                        throws KvStorageException

Get all keys.

返回:

all keys

抛出:

KvStorageException - KVStorageException

shutdown

void shutdown()

shutdown.