Class ConnectionEvent

java.lang.Object
java.util.EventObject
javax.sql.ConnectionEvent
All Implemented Interfaces:
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
Since:
1.4
See Also:

  • Field Summary

    Fields declared in class EventObject

    source
    Modifier and Type
    Field
    Description
    protected Object
    source
    The object on which the Event initially occurred.

  • Constructor Summary

    Constructors
    Constructor
    Description
    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.

  • Method Summary

    Modifier and Type
    Method
    Description
    SQLException
    getSQLException()
    Retrieves the SQLException for this ConnectionEvent object.

    Methods declared in class EventObject

    getSource, toString
    Modifier and Type
    Method
    Description
    Object
    getSource()
    The object on which the Event initially occurred.
    String
    toString()
    Returns a String representation of this EventObject.

    Methods declared in class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
    Modifier and Type
    Method
    Description
    protected Object
    clone()
    Creates and returns a copy of this object.
    boolean
    equals(Object obj)
    Indicates whether some other object is "equal to" this one.
    protected void
    finalize()
    Deprecated, for removal: This API element is subject to removal in a future version.
    Finalization is deprecated and subject to removal in a future release.
    final Class<?>
    getClass()
    Returns the runtime class of this Object.
    int
    hashCode()
    Returns a hash code value for this object.
    final void
    notify()
    Wakes up a single thread that is waiting on this object's monitor.
    final void
    notifyAll()
    Wakes up all threads that are waiting on this object's monitor.
    final void
    wait()
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
    final void
    wait(long timeoutMillis)
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
    final void
    wait(long timeoutMillis, int nanos)
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

  • Constructor Details

    • ConnectionEvent

      public ConnectionEvent(PooledConnection con)

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

      Parameters:
      con - the pooled connection that is the source of the event
      Throws:
      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.

      Parameters:
      con - the pooled connection that is the source of the event
      ex - the SQLException about to be thrown to the application
      Throws:
      IllegalArgumentException - if con is null.

  • Method Details

    • getSQLException

      public SQLException getSQLException()

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

      Returns:
      the SQLException about to be thrown or null