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## weka.gui.sql.event
Class ConnectionEvent

    java.lang.Object
      java.util.EventObject
          weka.gui.sql.event.ConnectionEvent

All Implemented Interfaces:
  java.io.Serializable

    public class ConnectionEvent

extends java.util.EventObject

An event that is generated when a connection is established or dropped.

Version:
  $Revision: 1.2 $
Author:
  FracPete (fracpete at waikato dot ac dot nz)
See Also:
  `ConnectionListener`, Serialized Form

Field Summary
`static int` | `CONNECT` it was a connect try
`static int` | `DISCONNECT` it was a disconnect

Constructor Summary
`ConnectionEvent(java.lang.Object source, int type, DbUtils utils)` constructs the event
`ConnectionEvent(java.lang.Object source, int type, DbUtils utils, java.lang.Exception ex)` constructs the event

Method Summary
`boolean` | `failed()` whether an exception happened and is stored
`DbUtils` | `getDbUtils()` returns the DbUtils instance that is responsible for the connect/disconnect.
`java.lang.Exception` | `getException()` returns the stored exception, if any (can be NULL)
`int` | `getType()` returns the type of this event, CONNECT or DISCONNECT
`boolean` | `isConnected()` returns whether the connection is still open.
`java.lang.String` | `toString()` returns the event in a string representation

Methods inherited from class java.util.EventObject
`getSource`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### CONNECT

    public static final int CONNECT

  it was a connect try

  See Also:
    Constant Field Values

### DISCONNECT

    public static final int DISCONNECT

  it was a disconnect

  See Also:
    Constant Field Values

Constructor Detail

### ConnectionEvent

    public ConnectionEvent(java.lang.Object source,
                           int type,
                           DbUtils utils)

  constructs the event

  Parameters:
    `source` - the source that generated this event
    `type` - whether CONNECT or DISCONNECT happened
    `utils` - the DatabaseUtils isntance responsible for the connection

### ConnectionEvent

    public ConnectionEvent(java.lang.Object source,
                           int type,
                           DbUtils utils,
                           java.lang.Exception ex)

  constructs the event

  Parameters:
    `source` - the source that generated this event
    `type` - whether CONNECT or DISCONNECT happened
    `utils` - the DatabaseUtils isntance responsible for the connection
    `ex` - a possible exception, if not successful

Method Detail

### getType

    public int getType()

  returns the type of this event, CONNECT or DISCONNECT

  Returns:
    the type of this event
  See Also:
    `CONNECT`, `DISCONNECT`

### failed

    public boolean failed()

  whether an exception happened and is stored

  Returns:
    whether an exception happened

### isConnected

    public boolean isConnected()

  returns whether the connection is still open.

  Returns:
    whether the connection is still open

### getException

    public java.lang.Exception getException()

  returns the stored exception, if any (can be NULL)

### getDbUtils

    public DbUtils getDbUtils()

  returns the DbUtils instance that is responsible for the connect/disconnect.

  Returns:
    the responsible DbUtils instance

### toString

    public java.lang.String toString()

  returns the event in a string representation

  Overrides:
    `toString` in class `java.util.EventObject`
  Returns:
    the event in a string representation

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