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JDBC4MysqlPooledConnection.java
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Tue, Aug 20, 21:17
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Thu, Aug 22, 21:17 (2 d)
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20044903
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R8218 ShoulderDB_ImportSegmentMeasureAnalyze
JDBC4MysqlPooledConnection.java
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/*
Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/J is licensed under the terms of the GPLv2
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
this software, see the FOSS License Exception
<http://www.mysql.com/about/legal/licensing/foss-exception.html>.
This program is free software; you can redistribute it and/or modify it under the terms
of the GNU General Public License as published by the Free Software Foundation; version 2
of the License.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this
program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
Floor, Boston, MA 02110-1301 USA
*/
package
com.mysql.jdbc.jdbc2.optional
;
import
java.sql.SQLException
;
import
java.util.HashMap
;
import
java.util.Iterator
;
import
java.util.Map
;
import
javax.sql.StatementEvent
;
import
javax.sql.StatementEventListener
;
/**
* This class is used to wrap and return a physical connection within a logical handle. It also registers and notifies ConnectionEventListeners of any
* ConnectionEvents
*/
public
class
JDBC4MysqlPooledConnection
extends
MysqlPooledConnection
{
private
final
Map
<
StatementEventListener
,
StatementEventListener
>
statementEventListeners
=
new
HashMap
<
StatementEventListener
,
StatementEventListener
>();
public
JDBC4MysqlPooledConnection
(
com
.
mysql
.
jdbc
.
Connection
connection
)
{
super
(
connection
);
}
public
synchronized
void
close
()
throws
SQLException
{
super
.
close
();
this
.
statementEventListeners
.
clear
();
}
/**
* Registers a <code>StatementEventListener</code> with this <code>PooledConnection</code> object. Components that
* wish to be notified when <code>PreparedStatement</code>s created by the
* connection are closed or are detected to be invalid may use this method
* to register a <code>StatementEventListener</code> with this <code>PooledConnection</code> object.
*
* @param listener
* an component which implements the <code>StatementEventListener</code> interface that is to be registered with this
* <code>PooledConnection</code> object
*
* @since 1.6
*/
public
void
addStatementEventListener
(
StatementEventListener
listener
)
{
synchronized
(
this
.
statementEventListeners
)
{
this
.
statementEventListeners
.
put
(
listener
,
listener
);
}
}
/**
* Removes the specified <code>StatementEventListener</code> from the list of
* components that will be notified when the driver detects that a <code>PreparedStatement</code> has been closed or is invalid.
*
* @param listener
* the component which implements the <code>StatementEventListener</code> interface that was previously
* registered with this <code>PooledConnection</code> object
*
* @since 1.6
*/
public
void
removeStatementEventListener
(
StatementEventListener
listener
)
{
synchronized
(
this
.
statementEventListeners
)
{
this
.
statementEventListeners
.
remove
(
listener
);
}
}
void
fireStatementEvent
(
StatementEvent
event
)
throws
SQLException
{
synchronized
(
this
.
statementEventListeners
)
{
for
(
StatementEventListener
listener
:
this
.
statementEventListeners
.
keySet
())
{
listener
.
statementClosed
(
event
);
}
}
}
}
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