fedora.server.storage
Class ConnectionPoolManagerImpl

java.lang.Object
  fedora.server.Parameterized
      fedora.server.Pluggable
          fedora.server.Module
              fedora.server.storage.ConnectionPoolManagerImpl

All Implemented Interfaces:

Constants, ConnectionPoolManager

public class ConnectionPoolManagerImpl
extends Module
implements ConnectionPoolManager

Implements ConnectionPoolManager to facilitate obtaining database connection pools. This class initializes the connection pools specified by parameters in the Fedora fedora.fcfg configuration file. The Fedora server must be instantiated in order for this class to function properly.

Version:

$Id: ConnectionPoolManagerImpl.java 5304 2006-12-05 11:47:52Z cwilper $

Author:

rlw@virginia.edu

Nested Class Summary

Nested classes/interfaces inherited from interface fedora.common.Constants

Constants.FedoraHome

Field Summary

Fields inherited from interface fedora.common.Constants

ACTION, BDEF, BMECH, DATASTREAM, DC, DISSEMINATOR, ENVIRONMENT, FEDORA, FEDORA_HOME, FEDORA_SYSTEM_DEF_PID, FEDORA_SYSTEM_DEF_URI, HTTP_REQUEST, MODEL, OBJECT, RDF, RECOVERY, RELS_EXT, RESOURCE, SUBJECT, TUCANA, VIEW, XSD

Constructor Summary

ConnectionPoolManagerImpl(java.util.Map moduleParameters, Server server, java.lang.String role)
Constructs a new ConnectionPoolManagerImpl

Method Summary

ConnectionPool	getPool() Gets the default Connection Pool.
ConnectionPool	getPool(java.lang.String poolName) Gets a named connection pool.
void	initModule() Initializes the Module based on configuration parameters.

Methods inherited from class fedora.server.Module

getRole, getServer, postInitModule, shutdownModule

Methods inherited from class fedora.server.Pluggable

getHelp, getOptionalParameters, getParameterHelp, getRequiredModuleRoles, getRequiredParameters

Methods inherited from class fedora.server.Parameterized

getParameter, getParameter, getParameters, parameterNames, setParameter, setParameters

Methods inherited from class java.lang.Object

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

Constructor Detail

ConnectionPoolManagerImpl

public ConnectionPoolManagerImpl(java.util.Map moduleParameters,
                                 Server server,
                                 java.lang.String role)
                          throws ModuleInitializationException

Constructs a new ConnectionPoolManagerImpl

Parameters:

moduleParameters - The name/value pair map of module parameters.

server - The server instance.

role - The module role name.

Throws:

ModuleInitializationException - If initialization values are invalid or initialization fails for some other reason.

Method Detail

initModule

public void initModule()
                throws ModuleInitializationException

Initializes the Module based on configuration parameters. The implementation of this method is dependent on the schema used to define the parameter names for the role of fedora.server.storage.ConnectionPoolManager.

Overrides:

initModule in class Module

Throws:

ModuleInitializationException - If initialization values are invalid or initialization fails for some other reason.

getPool

public ConnectionPool getPool(java.lang.String poolName)
                       throws ConnectionPoolNotFoundException

Gets a named connection pool.

Specified by:

getPool in interface ConnectionPoolManager

Parameters:

poolName - The name of the connection pool.

Returns:

The named connection pool.

Throws:

ConnectionPoolNotFoundException - If the specified connection pool cannot be found.

getPool

public ConnectionPool getPool()
                       throws ConnectionPoolNotFoundException

Gets the default Connection Pool. This method overrides getPool(String poolName).

Specified by:

getPool in interface ConnectionPoolManager

Returns:

The default connection pool.

Throws:

ConnectionPoolNotFoundException - If the default connection pool cannot be found.