org.apache.shardingsphere.shardingproxy.backend.schema

Class LogicSchema

java.lang.Object

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

Direct Known Subclasses:

MasterSlaveSchema, ShardingSchema, TransparentSchema

public abstract class LogicSchema
extends Object

Logic schema.

Author:

panjuan

Constructor Summary

Constructors

Constructor and Description
LogicSchema(String name, Map<String,YamlDataSourceParameter> dataSources)

Method Summary

Modifier and Type	Method and Description
protected Map<String,String>	getDataSourceURLs(Map<String,YamlDataSourceParameter> dataSourceParameters)
abstract org.apache.shardingsphere.core.metadata.ShardingMetaData	getMetaData() Get sharding meta data.
protected org.apache.shardingsphere.core.execute.metadata.TableMetaDataInitializer	getTableMetaDataInitializer(org.apache.shardingsphere.core.metadata.datasource.ShardingDataSourceMetaData shardingDataSourceMetaData)
void	refreshTableMetaData(org.apache.shardingsphere.core.parse.antlr.sql.statement.SQLStatement sqlStatement) Refresh table meta data.
void	renew(org.apache.shardingsphere.orchestration.internal.registry.config.event.DataSourceChangedEvent dataSourceChangedEvent) Renew data source configuration.

Methods inherited from class java.lang.Object

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

Constructor Detail

LogicSchema

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

Method Detail

getMetaData

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

Get sharding meta data.

Returns:

sharding meta data.

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.ShardingDataSourceMetaData shardingDataSourceMetaData)

renew

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

Renew data source configuration.

Parameters:

dataSourceChangedEvent - data source changed event.

Throws:

Exception - exception

refreshTableMetaData

public void refreshTableMetaData(org.apache.shardingsphere.core.parse.antlr.sql.statement.SQLStatement sqlStatement)

Refresh table meta data.

Parameters:

sqlStatement - SQL statement