org.apache.shardingsphere.dbdiscovery.spi

接口 DatabaseDiscoveryProviderAlgorithm

所有超级接口:

ShardingSphereAlgorithm, org.apache.shardingsphere.infra.util.spi.lifecycle.SPIPostProcessor, org.apache.shardingsphere.infra.util.spi.type.typed.TypedSPI

public interface DatabaseDiscoveryProviderAlgorithm
extends ShardingSphereAlgorithm

Database discovery provider algorithm.

方法概要

限定符和类型	方法和说明
void	checkEnvironment(String databaseName, Collection<DataSource> dataSources) Check environment.
boolean	isPrimaryInstance(DataSource dataSource) Judge whether database instance is primary.
ReplicaDataSourceStatus	loadReplicaStatus(DataSource replicaDataSource) Load replica data source status.

从接口继承的方法 org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithm

getProps

从接口继承的方法 org.apache.shardingsphere.infra.util.spi.type.typed.TypedSPI

getType, getTypeAliases

从接口继承的方法 org.apache.shardingsphere.infra.util.spi.lifecycle.SPIPostProcessor

init

方法详细资料

checkEnvironment

void checkEnvironment(String databaseName,
                      Collection<DataSource> dataSources)

Check environment.

参数:

databaseName - database name

dataSources - data sources

isPrimaryInstance

boolean isPrimaryInstance(DataSource dataSource)
                   throws SQLException

Judge whether database instance is primary.

参数:

dataSource - data source to be judged

返回:

is primary database instance or not

抛出:

SQLException - SQL exception

loadReplicaStatus

ReplicaDataSourceStatus loadReplicaStatus(DataSource replicaDataSource)
                                   throws SQLException

Load replica data source status.

参数:

replicaDataSource - to be loaded replica data source

返回:

replica data source status

抛出:

SQLException - SQL exception