Kvrpcpb.APIVersion (TiKV Java Client 3.3.5 API)

java.lang.Object
- java.lang.Enum<Kvrpcpb.APIVersion>
- - org.tikv.kvproto.Kvrpcpb.APIVersion

所有已实现的接口:: com.google.protobuf.Internal.EnumLite, com.google.protobuf.ProtocolMessageEnum, Serializable, Comparable<Kvrpcpb.APIVersion>

封闭类:: Kvrpcpb

public static enum Kvrpcpb.APIVersion
extends Enum<Kvrpcpb.APIVersion>
implements com.google.protobuf.ProtocolMessageEnum

 The API version the server and the client is using.
 See more details in https://github.com/tikv/rfcs/blob/master/text/0069-api-v2.md.

Protobuf enum kvrpcpb.APIVersion

枚举常量概要

枚举常量
枚举常量和说明
`UNRECOGNIZED`
`V1` Mainly for TxnKV and not safe to use RawKV along with TxnKV.
`V1TTL` Only RawKV is available, and then 8 bytes representing the unix timestamp in seconds for expiring time will be append to the value of all RawKV kv pairs. ------------------------------------------------------------ \| User value \| Expire Ts \| ------------------------------------------------------------ \| 0x12 0x34 0x56 \| 0x00 0x00 0x00 0x00 0x00 0x00 0xff 0xff \| ------------------------------------------------------------ V1TTL server only accepts V1 raw requests.
`V2` TxnKV keys start with `x{keyspace id}`, `m`, or `t`.

字段概要

字段
限定符和类型	字段和说明
`static int`	`V1_VALUE` Mainly for TxnKV and not safe to use RawKV along with TxnKV.
`static int`	`V1TTL_VALUE` Only RawKV is available, and then 8 bytes representing the unix timestamp in seconds for expiring time will be append to the value of all RawKV kv pairs. ------------------------------------------------------------ \| User value \| Expire Ts \| ------------------------------------------------------------ \| 0x12 0x34 0x56 \| 0x00 0x00 0x00 0x00 0x00 0x00 0xff 0xff \| ------------------------------------------------------------ V1TTL server only accepts V1 raw requests.
`static int`	`V2_VALUE` TxnKV keys start with `x{keyspace id}`, `m`, or `t`.

方法概要

所有方法静态方法实例方法具体方法已过时的方法
限定符和类型	方法和说明
`static Kvrpcpb.APIVersion`	`forNumber(int value)`
`static com.google.protobuf.Descriptors.EnumDescriptor`	`getDescriptor()`
`com.google.protobuf.Descriptors.EnumDescriptor`	`getDescriptorForType()`
`int`	`getNumber()`
`com.google.protobuf.Descriptors.EnumValueDescriptor`	`getValueDescriptor()`
`static com.google.protobuf.Internal.EnumLiteMap<Kvrpcpb.APIVersion>`	`internalGetValueMap()`
`static Kvrpcpb.APIVersion`	`valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc)`
`static Kvrpcpb.APIVersion`	`valueOf(int value)` 已过时。 Use `forNumber(int)` instead.
`static Kvrpcpb.APIVersion`	`valueOf(String name)` 返回带有指定名称的该类型的枚举常量。
`static Kvrpcpb.APIVersion[]`	`values()` 按照声明该枚举类型的常量的顺序, 返回包含这些常量的数组。

从类继承的方法 java.lang.Enum
clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

从类继承的方法 java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

枚举常量详细资料

V1

public static final Kvrpcpb.APIVersion V1

 Mainly for TxnKV and not safe to use RawKV along with TxnKV.
 V1 server only accepts V1 requests. Except that the V1 raw requests with TTL
 will be rejected.

V1 = 0;

V1TTL

public static final Kvrpcpb.APIVersion V1TTL

 Only RawKV is available, and then 8 bytes representing the unix timestamp in
 seconds for expiring time will be append to the value of all RawKV kv pairs.
 ------------------------------------------------------------
 | User value     | Expire Ts                               |
 ------------------------------------------------------------
 | 0x12 0x34 0x56 | 0x00 0x00 0x00 0x00 0x00 0x00 0xff 0xff |
 ------------------------------------------------------------
 V1TTL server only accepts V1 raw requests.
 V1 client should not use `V1TTL` in request. V1 client should always send `V1`.

V1TTL = 1;

V2

public static final Kvrpcpb.APIVersion V2

 TxnKV keys start with `x{keyspace id}`, `m`, or `t`.
 RawKV keys must be in `default` CF and all start with `r{keyspace id}` prefix,
 where the keyspace id is in varint format (little endian), whose bytes expect
 the last one always sets the most significant bit to 1.
 The last byte in the raw value must be a meta flag. For example:
 --------------------------------------
 | User value     | Meta flags        |
 --------------------------------------
 | 0x12 0x34 0x56 | 0x00 (0b00000000) |
 --------------------------------------
 As shown in the example below, the least significant bit of the meta flag
 indicates whether the value contains 8 bytes expire ts at the very left to the
 meta flags.
 --------------------------------------------------------------------------------
 | User value     | Expire Ts                               | Meta flags        |
 --------------------------------------------------------------------------------
 | 0x12 0x34 0x56 | 0x00 0x00 0x00 0x00 0x00 0x00 0xff 0xff | 0x01 (0b00000001) |
 --------------------------------------------------------------------------------
 V2 server accpets V2 requests and V1 txn requests that statrts with TiDB key
 prefix (`m` and `t`).

V2 = 2;

UNRECOGNIZED

public static final Kvrpcpb.APIVersion UNRECOGNIZED

字段详细资料

V1_VALUE

public static final int V1_VALUE

 Mainly for TxnKV and not safe to use RawKV along with TxnKV.
 V1 server only accepts V1 requests. Except that the V1 raw requests with TTL
 will be rejected.

V1 = 0;

另请参阅:: 常量字段值

V1TTL_VALUE

public static final int V1TTL_VALUE

 Only RawKV is available, and then 8 bytes representing the unix timestamp in
 seconds for expiring time will be append to the value of all RawKV kv pairs.
 ------------------------------------------------------------
 | User value     | Expire Ts                               |
 ------------------------------------------------------------
 | 0x12 0x34 0x56 | 0x00 0x00 0x00 0x00 0x00 0x00 0xff 0xff |
 ------------------------------------------------------------
 V1TTL server only accepts V1 raw requests.
 V1 client should not use `V1TTL` in request. V1 client should always send `V1`.

V1TTL = 1;

另请参阅:: 常量字段值

V2_VALUE

public static final int V2_VALUE

 TxnKV keys start with `x{keyspace id}`, `m`, or `t`.
 RawKV keys must be in `default` CF and all start with `r{keyspace id}` prefix,
 where the keyspace id is in varint format (little endian), whose bytes expect
 the last one always sets the most significant bit to 1.
 The last byte in the raw value must be a meta flag. For example:
 --------------------------------------
 | User value     | Meta flags        |
 --------------------------------------
 | 0x12 0x34 0x56 | 0x00 (0b00000000) |
 --------------------------------------
 As shown in the example below, the least significant bit of the meta flag
 indicates whether the value contains 8 bytes expire ts at the very left to the
 meta flags.
 --------------------------------------------------------------------------------
 | User value     | Expire Ts                               | Meta flags        |
 --------------------------------------------------------------------------------
 | 0x12 0x34 0x56 | 0x00 0x00 0x00 0x00 0x00 0x00 0xff 0xff | 0x01 (0b00000001) |
 --------------------------------------------------------------------------------
 V2 server accpets V2 requests and V1 txn requests that statrts with TiDB key
 prefix (`m` and `t`).

V2 = 2;

另请参阅:: 常量字段值

方法详细资料
- values
```
public static Kvrpcpb.APIVersion[] values()
```
  按照声明该枚举类型的常量的顺序, 返回包含这些常量的数组。该方法可用于迭代常量, 如下所示:
```
for (Kvrpcpb.APIVersion c : Kvrpcpb.APIVersion.values())
    System.out.println(c);
```
  返回:
  
  按照声明该枚举类型的常量的顺序返回的包含这些常量的数组
- valueOf
```
public static Kvrpcpb.APIVersion valueOf(String name)
```
  返回带有指定名称的该类型的枚举常量。字符串必须与用于声明该类型的枚举常量的标识符完全匹配。(不允许有多余的空格字符。)
  
  参数:
  
  name - 要返回的枚举常量的名称。
  
  返回:
  
  返回带有指定名称的枚举常量
  
  抛出:
  
  IllegalArgumentException - 如果该枚举类型没有带有指定名称的常量
  
  NullPointerException - 如果参数为空值
- getNumber
```
public final int getNumber()
```
  指定者:
  
  getNumber 在接口中 com.google.protobuf.Internal.EnumLite
  
  指定者:
  
  getNumber 在接口中 com.google.protobuf.ProtocolMessageEnum
- valueOf
```
@Deprecated
public static Kvrpcpb.APIVersion valueOf(int value)
```
  已过时。 Use forNumber(int) instead.
- forNumber
```
public static Kvrpcpb.APIVersion forNumber(int value)
```
- internalGetValueMap
```
public static com.google.protobuf.Internal.EnumLiteMap<Kvrpcpb.APIVersion> internalGetValueMap()
```
- getValueDescriptor
```
public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor()
```
  指定者:
  
  getValueDescriptor 在接口中 com.google.protobuf.ProtocolMessageEnum
- getDescriptorForType
```
public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType()
```
  指定者:
  
  getDescriptorForType 在接口中 com.google.protobuf.ProtocolMessageEnum
- getDescriptor
```
public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor()
```
- valueOf
```
public static Kvrpcpb.APIVersion valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc)
```

枚举 Kvrpcpb.APIVersion

枚举常量概要

字段概要

方法概要

从类继承的方法 java.lang.Enum

从类继承的方法 java.lang.Object

枚举常量详细资料

V1

V1TTL

V2

UNRECOGNIZED

字段详细资料

V1_VALUE

V1TTL_VALUE

V2_VALUE

方法详细资料

values

valueOf

getNumber

valueOf

forNumber

internalGetValueMap

getValueDescriptor

getDescriptorForType

getDescriptor

valueOf