org.apache.shardingsphere.shardingproxy.backend.schema

类 LogicSchema

java.lang.Object

org.apache.shardingsphere.shardingproxy.backend.schema.LogicSchema

直接已知子类:

EncryptSchema, MasterSlaveSchema, ShardingSchema, TransparentSchema

public abstract class LogicSchema
extends Object

Logic schema.

作者:

panjuan

构造器概要

构造器

构造器和说明
LogicSchema(String name, Map<String,YamlDataSourceParameter> dataSources)

方法概要

限定符和类型	方法和说明
Map<String,YamlDataSourceParameter>	getDataSources() Get data source parameters.
protected Map<String,String>	getDataSourceURLs(Map<String,YamlDataSourceParameter> dataSourceParameters)
abstract org.apache.shardingsphere.core.metadata.ShardingSphereMetaData	getMetaData() Get sharding meta data.
abstract org.apache.shardingsphere.core.rule.ShardingRule	getShardingRule() Get Sharding rule.
protected org.apache.shardingsphere.core.execute.metadata.TableMetaDataInitializer	getTableMetaDataInitializer(org.apache.shardingsphere.core.metadata.datasource.DataSourceMetas dataSourceMetas)
void	refreshTableMetaData(org.apache.shardingsphere.core.preprocessor.statement.SQLStatementContext sqlStatementContext) Refresh table meta data.
void	renew(org.apache.shardingsphere.orchestration.internal.registry.config.event.DataSourceChangedEvent dataSourceChangedEvent) Renew data source configuration.

从类继承的方法 java.lang.Object

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

构造器详细资料

LogicSchema

public LogicSchema(String name,
                   Map<String,YamlDataSourceParameter> dataSources)

方法详细资料

getMetaData

public abstract org.apache.shardingsphere.core.metadata.ShardingSphereMetaData getMetaData()

Get sharding meta data.

返回:

sharding meta data.

getShardingRule

public abstract org.apache.shardingsphere.core.rule.ShardingRule getShardingRule()

Get Sharding rule.

返回:

sharding rule

getDataSources

public Map<String,YamlDataSourceParameter> getDataSources()

Get data source parameters.

返回:

data source parameters

getDataSourceURLs

protected final Map<String,String> getDataSourceURLs(Map<String,YamlDataSourceParameter> dataSourceParameters)

getTableMetaDataInitializer

protected final org.apache.shardingsphere.core.execute.metadata.TableMetaDataInitializer getTableMetaDataInitializer(org.apache.shardingsphere.core.metadata.datasource.DataSourceMetas dataSourceMetas)

renew

public final void renew(org.apache.shardingsphere.orchestration.internal.registry.config.event.DataSourceChangedEvent dataSourceChangedEvent)
                 throws Exception

Renew data source configuration.

参数:

dataSourceChangedEvent - data source changed event.

抛出:

Exception - exception

refreshTableMetaData

public void refreshTableMetaData(org.apache.shardingsphere.core.preprocessor.statement.SQLStatementContext sqlStatementContext)
                          throws SQLException

Refresh table meta data.

参数:

sqlStatementContext - SQL statement context

抛出:

SQLException - SQL exception