com.alibaba.nacos.config.server.service.repository.embedded

类 DistributedDatabaseOperateImpl

java.lang.Object

com.alibaba.nacos.consistency.RequestProcessor

com.alibaba.nacos.consistency.cp.RequestProcessor4CP

com.alibaba.nacos.config.server.service.repository.embedded.DistributedDatabaseOperateImpl

所有已实现的接口:

BaseDatabaseOperate, DatabaseOperate

@Conditional(value=ConditionDistributedEmbedStorage.class)
 @Component
public class DistributedDatabaseOperateImpl
extends com.alibaba.nacos.consistency.cp.RequestProcessor4CP
implements BaseDatabaseOperate

Distributed Database Operate.

                   ┌────────────────────┐
               ┌──▶│   PersistService   │
               │   └────────────────────┘ ┌─────────────────┐
               │              │           │                 │
               │              │           │                 ▼
               │              │           │    ┌────────────────────────┐
               │              │           │    │  acquireSnakeflowerId  │
               │              │           │    └────────────────────────┘
               │              │           │                 │
               │              │           │                 │
               │              │           │                 ▼
               │              │           │      ┌────────────────────┐          save sql
               │              ▼           │      │     saveConfig     │──────────context─────────────┐
               │     ┌────────────────┐   │      └────────────────────┘                              │
               │     │ publishConfig  │───┘                 │                                        │
               │     └────────────────┘                     │                                        │
               │                                            ▼                                        ▼
               │                               ┌─────────────────────────┐    save sql    ┌────────────────────┐
               │                               │ saveConfigTagRelations  │────context────▶│  SqlContextUtils   │◀─┐
        publish config                         └─────────────────────────┘                └────────────────────┘  │
               │                                            │                                        ▲            │
               │                                            │                                        │            │
               │                                            ▼                                        │            │
               │                                ┌───────────────────────┐         save sql           │            │
            ┌────┐                              │   saveConfigHistory   │─────────context────────────┘            │
            │user│                              └───────────────────────┘                                         │
            └────┘                                                                                                │
               ▲                                                                                                  │
               │                                           ┌1:getCurrentSqlContexts───────────────────────────────┘
               │                                           │
               │                                           │
               │                                           │
               │           ┌───────────────┐    ┌─────────────────────┐
               │           │ JdbcTemplate  │◀───│   DatabaseOperate   │───┐
       4:execute result    └───────────────┘    └─────────────────────┘   │
               │                   │                       ▲              │
               │                   │                       │              │
               │                   │                  3:onApply         2:submit(List<ModifyRequest>)
               │                   │                       │              │
               │                   ▼                       │              │
               │           ┌──────────────┐                │              │
               │           │ Apache Derby │    ┌───────────────────────┐  │
               │           └──────────────┘    │     JRaftProtocol     │◀─┘
               │                               └───────────────────────┘
               │                                           │
               │                                           │
               └───────────────────────────────────────────┘
 

作者:

liaochuntao

构造器概要

构造器

构造器和说明
DistributedDatabaseOperateImpl(com.alibaba.nacos.core.cluster.ServerMemberManager memberManager, com.alibaba.nacos.core.distributed.ProtocolManager protocolManager)

方法概要

限定符和类型	方法和说明
CompletableFuture<com.alibaba.nacos.common.model.RestResult<String>>	dataImport(File file) data importing, This method is suitable for importing data from external data sources into embedded data sources.
String	group()
protected void	init()
List<com.alibaba.nacos.consistency.snapshot.SnapshotOperation>	loadSnapshotOperate()
void	mockConsistencyProtocol(com.alibaba.nacos.consistency.cp.CPProtocol protocol)
com.alibaba.nacos.consistency.entity.Response	onApply(com.alibaba.nacos.consistency.entity.WriteRequest log)
void	onError(Throwable throwable)
com.alibaba.nacos.consistency.entity.Response	onRequest(com.alibaba.nacos.consistency.entity.ReadRequest request)
List<Map<String,Object>>	queryMany(String sql, Object[] args) Data query transaction.
<R> List<R>	queryMany(String sql, Object[] args, Class<R> rClass) Data query transaction.
<R> List<R>	queryMany(String sql, Object[] args, org.springframework.jdbc.core.RowMapper<R> mapper) Data query transaction.
<R> R	queryOne(String sql, Class<R> cls) Data query transaction.
<R> R	queryOne(String sql, Object[] args, Class<R> cls) Data query transaction.
<R> R	queryOne(String sql, Object[] args, org.springframework.jdbc.core.RowMapper<R> mapper) Data query transaction.
Boolean	update(List<ModifyRequest> sqlContext, BiConsumer<Boolean,Throwable> consumer) data modify transaction.

从类继承的方法 java.lang.Object

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

从接口继承的方法 com.alibaba.nacos.config.server.service.repository.embedded.BaseDatabaseOperate

doDataImport, queryMany, queryMany, queryMany, queryOne, queryOne, queryOne, update, update

从接口继承的方法 com.alibaba.nacos.config.server.service.repository.embedded.DatabaseOperate

blockUpdate, blockUpdate, futureUpdate, update

构造器详细资料

DistributedDatabaseOperateImpl

public DistributedDatabaseOperateImpl(com.alibaba.nacos.core.cluster.ServerMemberManager memberManager,
                                      com.alibaba.nacos.core.distributed.ProtocolManager protocolManager)
                               throws Exception

抛出:

Exception

方法详细资料

init

protected void init()
             throws Exception

抛出:

Exception

mockConsistencyProtocol

public void mockConsistencyProtocol(com.alibaba.nacos.consistency.cp.CPProtocol protocol)

queryOne

public <R> R queryOne(String sql,
                      Class<R> cls)

从接口复制的说明: DatabaseOperate

Data query transaction.

指定者:

queryOne 在接口中 DatabaseOperate

类型参数:

R - return type

参数:

sql - sqk text

cls - target type

返回:

query result

queryOne

public <R> R queryOne(String sql,
                      Object[] args,
                      Class<R> cls)

从接口复制的说明: DatabaseOperate

Data query transaction.

指定者:

queryOne 在接口中 DatabaseOperate

类型参数:

R - return type

参数:

sql - sqk text

args - sql parameters

cls - target type

返回:

query result

queryOne

public <R> R queryOne(String sql,
                      Object[] args,
                      org.springframework.jdbc.core.RowMapper<R> mapper)

从接口复制的说明: DatabaseOperate

Data query transaction.

指定者:

queryOne 在接口中 DatabaseOperate

类型参数:

R - return type

参数:

sql - sqk text

args - sql parameters

mapper - Database query result converter

返回:

query result

queryMany

public <R> List<R> queryMany(String sql,
                             Object[] args,
                             org.springframework.jdbc.core.RowMapper<R> mapper)

从接口复制的说明: DatabaseOperate

Data query transaction.

指定者:

queryMany 在接口中 DatabaseOperate

类型参数:

R - return type

参数:

sql - sqk text

args - sql parameters

mapper - Database query result converter

返回:

query result

queryMany

public <R> List<R> queryMany(String sql,
                             Object[] args,
                             Class<R> rClass)

从接口复制的说明: DatabaseOperate

Data query transaction.

指定者:

queryMany 在接口中 DatabaseOperate

类型参数:

R - return type

参数:

sql - sqk text

args - sql parameters

rClass - target type

返回:

query result

queryMany

public List<Map<String,Object>> queryMany(String sql,
                                          Object[] args)

从接口复制的说明: DatabaseOperate

Data query transaction.

指定者:

queryMany 在接口中 DatabaseOperate

参数:

sql - sqk text

args - sql parameters

返回:

query result

dataImport

public CompletableFuture<com.alibaba.nacos.common.model.RestResult<String>> dataImport(File file)

从接口复制的说明: DatabaseOperate

data importing, This method is suitable for importing data from external data sources into embedded data sources.

指定者:

dataImport 在接口中 DatabaseOperate

参数:

file - File

返回:

CompletableFuture

update

public Boolean update(List<ModifyRequest> sqlContext,
                      BiConsumer<Boolean,Throwable> consumer)

从接口复制的说明: DatabaseOperate

data modify transaction.

指定者:

update 在接口中 DatabaseOperate

参数:

sqlContext - List

consumer - BiConsumer

返回:

is success

loadSnapshotOperate

public List<com.alibaba.nacos.consistency.snapshot.SnapshotOperation> loadSnapshotOperate()

覆盖:

loadSnapshotOperate 在类中 com.alibaba.nacos.consistency.cp.RequestProcessor4CP

onRequest

public com.alibaba.nacos.consistency.entity.Response onRequest(com.alibaba.nacos.consistency.entity.ReadRequest request)

指定者:

onRequest 在类中 com.alibaba.nacos.consistency.RequestProcessor

onApply

public com.alibaba.nacos.consistency.entity.Response onApply(com.alibaba.nacos.consistency.entity.WriteRequest log)

指定者:

onApply 在类中 com.alibaba.nacos.consistency.RequestProcessor

onError

public void onError(Throwable throwable)

覆盖:

onError 在类中 com.alibaba.nacos.consistency.RequestProcessor

group

public String group()

指定者:

group 在类中 com.alibaba.nacos.consistency.RequestProcessor