org.apache.jcs.auxiliary.disk.jdbc

Class JDBCDiskCachePoolAccess

java.lang.Object

org.apache.jcs.auxiliary.disk.jdbc.JDBCDiskCachePoolAccess

public class JDBCDiskCachePoolAccess
extends java.lang.Object

This class provides access to the connection pool. It ensures that the various resources that need to access the tables will be able to use the same pool.

Author:

Aaron Smuts

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DEFAULT_POOL_NAME The defualt Pool Name to which the connetion pool will be keyed.

Constructor Summary

Constructors

Constructor and Description
JDBCDiskCachePoolAccess(java.lang.String poolName) Configures the pool name to use for the pool access.

Method Summary

Methods

Modifier and Type	Method and Description
java.sql.Connection	getConnection() Gets a connection from the pool.
int	getNumActiveInPool() How many are active in the pool.
int	getNumIdleInPool() How many are idle in the pool.
java.lang.String	getPoolName()
java.lang.String	getPoolUrl()
void	logDriverStats()
void	setPoolName(java.lang.String poolName)
void	setupDriver(java.lang.String connectURI, java.lang.String userName, java.lang.String password, int maxActive)
void	shutdownDriver()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_POOL_NAME

public static final java.lang.String DEFAULT_POOL_NAME

The defualt Pool Name to which the connetion pool will be keyed.

See Also:

Constant Field Values

Constructor Detail

JDBCDiskCachePoolAccess

public JDBCDiskCachePoolAccess(java.lang.String poolName)

Configures the pool name to use for the pool access.

This pool name should be unique to the database. It is used as part of the URL each time we lookup a connection from the driver manager.

Parameters:

poolName -

Method Detail

getConnection

public java.sql.Connection getConnection()
                                  throws java.sql.SQLException

Gets a connection from the pool.

Returns:

Connection

Throws:

java.sql.SQLException

getNumIdleInPool

public int getNumIdleInPool()

How many are idle in the pool.

Returns:

number idle

getNumActiveInPool

public int getNumActiveInPool()

How many are active in the pool.

Returns:

number active

shutdownDriver

public void shutdownDriver()
                    throws java.lang.Exception

Throws:

java.lang.Exception

getPoolUrl

public java.lang.String getPoolUrl()

Returns:

Returns the poolUrl.

setPoolName

public void setPoolName(java.lang.String poolName)

Parameters:

poolName - The poolName to set.

getPoolName

public java.lang.String getPoolName()

Returns:

Returns the poolName.

setupDriver

public void setupDriver(java.lang.String connectURI,
               java.lang.String userName,
               java.lang.String password,
               int maxActive)
                 throws java.lang.Exception

Parameters:

connectURI -

userName -

password -

maxActive - max connetions

Throws:

java.lang.Exception

logDriverStats

public void logDriverStats()
                    throws java.lang.Exception

Throws:

java.lang.Exception