Package org.logicalcobwebs.proxool
Class ConnectionResetter
- java.lang.Object
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- org.logicalcobwebs.proxool.ConnectionResetter
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public class ConnectionResetter extends java.lang.Object
Responsible for resetting a Connection to its default state when it is returned to the pool. It must be initialised by the first Connection that is made (for each pool) so that we don't make any assumptions about what the default values are.- Since:
- Proxool 0.5
- Version:
- $Revision: 1.16 $, $Date: 2006/01/18 14:40:01 $
- Author:
- Bill Horsman (bill@logicalcobwebs.co.uk), $Author: billhorsman $ (current maintainer)
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Field Summary
Fields Modifier and Type Field Description protected static java.lang.String
MUTATOR_PREFIX
We use this to guess if we are changing a property that will need resettingprotected static boolean
triggerResetException
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Constructor Summary
Constructors Modifier Constructor Description protected
ConnectionResetter(org.apache.commons.logging.Log log, java.lang.String driverName)
Pass in the log to use
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description protected void
initialise(java.sql.Connection connection)
This gets called every time we make a Connection.protected boolean
reset(java.sql.Connection connection, java.lang.String id)
Reset this connection to its default values.protected static void
setTriggerResetException(boolean triggerResetException)
Called by a unit test.
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Field Detail
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MUTATOR_PREFIX
protected static final java.lang.String MUTATOR_PREFIX
We use this to guess if we are changing a property that will need resetting- See Also:
- Constant Field Values
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triggerResetException
protected static boolean triggerResetException
- See Also:
isTriggerResetException()
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Method Detail
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initialise
protected void initialise(java.sql.Connection connection)
This gets called every time we make a Connection. Not that often really, so it's ok to synchronize a bit.- Parameters:
connection
- this will be used to get all the default values
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reset
protected boolean reset(java.sql.Connection connection, java.lang.String id)
Reset this connection to its default values. If anything goes wrong, it is logged as a warning or info but it silently continues.- Parameters:
connection
- to be resetid
- used in log messages- Returns:
- true if the reset was error free, or false if it encountered errors. (in which case it should probably not be reused)
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setTriggerResetException
protected static void setTriggerResetException(boolean triggerResetException)
Called by a unit test.- Parameters:
triggerResetException
- true it we should trigger a pretend exception.- See Also:
isTriggerResetException()
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