org.apache.shardingsphere.sqlfederation.spi

接口 SQLFederationExecutor

所有超级接口:

AutoCloseable, org.apache.shardingsphere.infra.util.spi.type.required.RequiredSPI, org.apache.shardingsphere.infra.util.spi.type.typed.TypedSPI

public interface SQLFederationExecutor
extends org.apache.shardingsphere.infra.util.spi.type.typed.TypedSPI, org.apache.shardingsphere.infra.util.spi.type.required.RequiredSPI, AutoCloseable

SQL federation executor.

方法概要

限定符和类型	方法和说明
void	close()
ResultSet	executeQuery(DriverExecutionPrepareEngine<JDBCExecutionUnit,Connection> prepareEngine, JDBCExecutorCallback<? extends ExecuteResult> callback, SQLFederationExecutorContext federationContext) Execute query.
ResultSet	getResultSet() Get result set.
void	init(String databaseName, String schemaName, ShardingSphereMetaData metaData, ShardingSphereData shardingSphereData, JDBCExecutor jdbcExecutor, org.apache.shardingsphere.infra.util.eventbus.EventBusContext eventBusContext) Init SQL federation executor.

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.type.required.RequiredSPI

isDefault

方法详细资料

init

void init(String databaseName,
          String schemaName,
          ShardingSphereMetaData metaData,
          ShardingSphereData shardingSphereData,
          JDBCExecutor jdbcExecutor,
          org.apache.shardingsphere.infra.util.eventbus.EventBusContext eventBusContext)

Init SQL federation executor.

参数:

databaseName - database name

schemaName - schema name

metaData - ShardingSphere meta data

shardingSphereData - ShardingSphere data

jdbcExecutor - jdbc executor

eventBusContext - event bus context

executeQuery

ResultSet executeQuery(DriverExecutionPrepareEngine<JDBCExecutionUnit,Connection> prepareEngine,
                       JDBCExecutorCallback<? extends ExecuteResult> callback,
                       SQLFederationExecutorContext federationContext)
                throws SQLException

Execute query.

参数:

prepareEngine - prepare engine

callback - callback

federationContext - federation context

返回:

result set

抛出:

SQLException - SQL exception

getResultSet

ResultSet getResultSet()
                throws SQLException

Get result set.

返回:

result set

抛出:

SQLException - SQL exception

close

void close()
    throws SQLException

指定者:

close 在接口中 AutoCloseable

抛出:

SQLException