org.apache.flink.connector.jdbc.internal.connection

类 SimpleJdbcConnectionProvider

java.lang.Object

org.apache.flink.connector.jdbc.internal.connection.SimpleJdbcConnectionProvider

所有已实现的接口:

Serializable, JdbcConnectionProvider

@NotThreadSafe
public class SimpleJdbcConnectionProvider
extends Object
implements JdbcConnectionProvider, Serializable

Simple JDBC connection provider.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
SimpleJdbcConnectionProvider(JdbcConnectionOptions jdbcOptions)

方法概要

限定符和类型	方法和说明
void	closeConnection() Close possible existing connection.
Connection	getConnection() Get existing connection.
Connection	getOrEstablishConnection() Get existing connection or establish an new one if there is none.
boolean	isConnectionValid() Check whether possible existing connection is valid or not through Connection.isValid(int).
Connection	reestablishConnection() Close possible existing connection and establish an new one.

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

SimpleJdbcConnectionProvider

public SimpleJdbcConnectionProvider(JdbcConnectionOptions jdbcOptions)

方法详细资料

getConnection

public Connection getConnection()

从接口复制的说明: JdbcConnectionProvider

Get existing connection.

指定者:

getConnection 在接口中 JdbcConnectionProvider

返回:

existing connection

isConnectionValid

public boolean isConnectionValid()
                          throws SQLException

从接口复制的说明: JdbcConnectionProvider

Check whether possible existing connection is valid or not through Connection.isValid(int).

指定者:

isConnectionValid 在接口中 JdbcConnectionProvider

返回:

true if existing connection is valid

抛出:

SQLException - sql exception throw from Connection.isValid(int)

getOrEstablishConnection

public Connection getOrEstablishConnection()
                                    throws SQLException,
                                           ClassNotFoundException

从接口复制的说明: JdbcConnectionProvider

Get existing connection or establish an new one if there is none.

指定者:

getOrEstablishConnection 在接口中 JdbcConnectionProvider

返回:

existing connection or newly established connection

抛出:

SQLException - sql exception

ClassNotFoundException - driver class not found

closeConnection

public void closeConnection()

从接口复制的说明: JdbcConnectionProvider

Close possible existing connection.

指定者:

closeConnection 在接口中 JdbcConnectionProvider

reestablishConnection

public Connection reestablishConnection()
                                 throws SQLException,
                                        ClassNotFoundException

从接口复制的说明: JdbcConnectionProvider

Close possible existing connection and establish an new one.

指定者:

reestablishConnection 在接口中 JdbcConnectionProvider

返回:

newly established connection

抛出:

SQLException - sql exception

ClassNotFoundException - driver class not found