程序包 javax.sql

类 ConnectionEvent

java.lang.Object

java.util.EventObject

javax.sql.ConnectionEvent

所有已实现的接口:

Serializable

public class ConnectionEvent
extends EventObject

An Event object that provides information about the source of a connection-related event. ConnectionEvent objects are generated when an application closes a pooled connection and when an error occurs. The ConnectionEvent object contains two kinds of information:

• The pooled connection closed by the application
• In the case of an error event, the SQLException about to be thrown to the application

从以下版本开始:

1.4

另请参阅:

序列化表格

字段概要

从类继承的字段 java.util.EventObject

source

构造器概要

构造器

构造器	说明
ConnectionEvent(PooledConnection con)	Constructs a ConnectionEvent object initialized with the given PooledConnection object.
ConnectionEvent(PooledConnection con, SQLException ex)	Constructs a ConnectionEvent object initialized with the given PooledConnection object and SQLException object.

方法概要

限定符和类型	方法	说明
SQLException	getSQLException()	Retrieves the SQLException for this ConnectionEvent object.

从类继承的方法 java.util.EventObject

getSource, toString

从类继承的方法 java.lang.Object

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

构造器详细资料

ConnectionEvent

public ConnectionEvent(PooledConnection con)

Constructs a ConnectionEvent object initialized with the given PooledConnection object. SQLException defaults to null.

参数:

con - the pooled connection that is the source of the event

抛出:

IllegalArgumentException - if con is null.

ConnectionEvent

public ConnectionEvent(PooledConnection con,
                       SQLException ex)

Constructs a ConnectionEvent object initialized with the given PooledConnection object and SQLException object.

参数:

con - the pooled connection that is the source of the event

ex - the SQLException about to be thrown to the application

抛出:

IllegalArgumentException - if con is null.

方法详细资料

getSQLException

public SQLException getSQLException()

Retrieves the SQLException for this ConnectionEvent object. May be null.

返回:

the SQLException about to be thrown or null