org.apache.shardingsphere.driver.jdbc.core.connection

类 ConnectionManager

java.lang.Object

org.apache.shardingsphere.driver.jdbc.core.connection.ConnectionManager

所有已实现的接口:

AutoCloseable, org.apache.shardingsphere.infra.executor.sql.prepare.driver.ExecutorDriverManager<Connection,Statement,org.apache.shardingsphere.infra.executor.sql.prepare.driver.jdbc.StatementOption>, org.apache.shardingsphere.infra.executor.sql.prepare.driver.jdbc.ExecutorJDBCManager

public final class ConnectionManager
extends Object
implements org.apache.shardingsphere.infra.executor.sql.prepare.driver.jdbc.ExecutorJDBCManager, AutoCloseable

Connection manager.

构造器概要

构造器

构造器和说明
ConnectionManager(String schema, org.apache.shardingsphere.mode.manager.ContextManager contextManager)

方法概要

限定符和类型	方法和说明
void	close()
void	commit() Commit.
Statement	createStorageResource(Connection connection, org.apache.shardingsphere.infra.executor.sql.execute.engine.ConnectionMode connectionMode, org.apache.shardingsphere.infra.executor.sql.prepare.driver.jdbc.StatementOption option)
PreparedStatement	createStorageResource(String sql, List<Object> parameters, Connection connection, org.apache.shardingsphere.infra.executor.sql.execute.engine.ConnectionMode connectionMode, org.apache.shardingsphere.infra.executor.sql.prepare.driver.jdbc.StatementOption option)
List<Connection>	getConnections(String dataSourceName, int connectionSize, org.apache.shardingsphere.infra.executor.sql.execute.engine.ConnectionMode connectionMode)
Connection	getRandomConnection() Get random connection.
String	getRandomPhysicalDataSourceName() Get random physical data source name.
Optional<Integer>	getTransactionIsolation() Get transaction isolation.
boolean	isValid(int timeout) Whether connection valid.
void	rollback() Rollback.
void	setAutoCommit(boolean autoCommit) Set auto commit.
void	setReadOnly(boolean readOnly) Set read only.
void	setTransactionIsolation(int level) Set transaction isolation.

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

ConnectionManager

public ConnectionManager(String schema,
                         org.apache.shardingsphere.mode.manager.ContextManager contextManager)

方法详细资料

setAutoCommit

public void setAutoCommit(boolean autoCommit)
                   throws SQLException

Set auto commit.

参数:

autoCommit - auto commit

抛出:

SQLException - SQL exception

commit

public void commit()
            throws SQLException

Commit.

抛出:

SQLException - SQL exception

rollback

public void rollback()
              throws SQLException

Rollback.

抛出:

SQLException - SQL exception

getTransactionIsolation

public Optional<Integer> getTransactionIsolation()
                                          throws SQLException

Get transaction isolation.

返回:

transaction isolation level

抛出:

SQLException - SQL exception

setTransactionIsolation

public void setTransactionIsolation(int level)
                             throws SQLException

Set transaction isolation.

参数:

level - transaction isolation level

抛出:

SQLException - SQL exception

setReadOnly

public void setReadOnly(boolean readOnly)
                 throws SQLException

Set read only.

参数:

readOnly - read only

抛出:

SQLException - SQL exception

isValid

public boolean isValid(int timeout)
                throws SQLException

Whether connection valid.

参数:

timeout - timeout

返回:

connection valid or not

抛出:

SQLException - SQL exception

getRandomPhysicalDataSourceName

public String getRandomPhysicalDataSourceName()

Get random physical data source name.

返回:

random physical data source name

getRandomConnection

public Connection getRandomConnection()
                               throws SQLException

Get random connection.

返回:

random connection

抛出:

SQLException - SQL exception

getConnections

public List<Connection> getConnections(String dataSourceName,
                                       int connectionSize,
                                       org.apache.shardingsphere.infra.executor.sql.execute.engine.ConnectionMode connectionMode)
                                throws SQLException

指定者:

getConnections 在接口中 org.apache.shardingsphere.infra.executor.sql.prepare.driver.ExecutorDriverManager<Connection,Statement,org.apache.shardingsphere.infra.executor.sql.prepare.driver.jdbc.StatementOption>

抛出:

SQLException

createStorageResource

public Statement createStorageResource(Connection connection,
                                       org.apache.shardingsphere.infra.executor.sql.execute.engine.ConnectionMode connectionMode,
                                       org.apache.shardingsphere.infra.executor.sql.prepare.driver.jdbc.StatementOption option)
                                throws SQLException

指定者:

createStorageResource 在接口中 org.apache.shardingsphere.infra.executor.sql.prepare.driver.ExecutorDriverManager<Connection,Statement,org.apache.shardingsphere.infra.executor.sql.prepare.driver.jdbc.StatementOption>

抛出:

SQLException

createStorageResource

public PreparedStatement createStorageResource(String sql,
                                               List<Object> parameters,
                                               Connection connection,
                                               org.apache.shardingsphere.infra.executor.sql.execute.engine.ConnectionMode connectionMode,
                                               org.apache.shardingsphere.infra.executor.sql.prepare.driver.jdbc.StatementOption option)
                                        throws SQLException

指定者:

createStorageResource 在接口中 org.apache.shardingsphere.infra.executor.sql.prepare.driver.ExecutorDriverManager<Connection,Statement,org.apache.shardingsphere.infra.executor.sql.prepare.driver.jdbc.StatementOption>

抛出:

SQLException

close

public void close()
           throws SQLException

指定者:

close 在接口中 AutoCloseable

抛出:

SQLException