com.jcorporate.expresso.core.dataobjects
Class PersistenceManager

java.lang.Object
  com.jcorporate.expresso.kernel.ComponentBase
      com.jcorporate.expresso.kernel.ContainerComponentBase
          com.jcorporate.expresso.core.dataobjects.PersistenceManager

All Implemented Interfaces:

ComponentLifecycle, Containable, Describable, ExpressoComponent, Serializable

public class PersistenceManager

extends ContainerComponentBase

implements ComponentLifecycle

This is the persistence manager class. It currently contains a type mapper and a configuration engine. Other components such as Transaction Manager, etc are to be added at later dates.

Since:

Expresso 5.1

Author:

Michael Rimov

See Also:

Serialized Form

Constructor Summary

PersistenceManager()
Default constructor

Method Summary

void	configure(Configuration newConfig) Lifecycle event for configuration.
void	destroy() Event Handler for the destruction of this component.
String	getConfigName() Retrieve the db configuration name
String	getDataContext() Read only property that tells what data context we're a part of.
String	getDataURL() Get the database connection url
DBConfig	getDBConfig() Get the DBConfig Class
String	getPassword() Retrieve the password for this data connection
TypeMapper	getTypeMapper() Retrieve the TypeMapper associated with this persistence connection.
String	getUserName() Retrieve the user name for this db connection
void	initialize() Init lifecycle event
void	reconfigure(Configuration newConfig) Lifecycle event for reconfiguration.
void	setConfigName(String configName) Set the db configuration name
void	setDataURL(String dataURL) Set the database connection URL
void	setPassword(String password) Set the password for this data connection
void	setUserName(String userName) Set the user name for the db connection

Methods inherited from class com.jcorporate.expresso.kernel.ContainerComponentBase

getContainerImplementation, locateComponent, setContainerImplementation

Methods inherited from class com.jcorporate.expresso.kernel.ComponentBase

getMetaData, getMetadataLocation, getParent, setMetaData, setParent

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.jcorporate.expresso.kernel.ExpressoComponent

getMetaData, getParent, setParent

Constructor Detail

PersistenceManager

public PersistenceManager()

Default constructor

Method Detail

initialize

public void initialize()

Init lifecycle event

Specified by:

initialize in interface ComponentLifecycle

configure

public void configure(Configuration newConfig)
               throws ConfigurationException

Lifecycle event for configuration. Set all the properties upon normal usage.

Specified by:

configure in interface ComponentLifecycle

Parameters:

newConfig - Configuration read-only 'bean'

Throws:

ConfigurationException - upon receiving invalid configuration values

reconfigure

public void reconfigure(Configuration newConfig)
                 throws ConfigurationException

Lifecycle event for reconfiguration. Nulls out all variables and calls configure with the enw values.

Specified by:

reconfigure in interface ComponentLifecycle

Parameters:

newConfig - Configuration read-only 'bean'

Throws:

ConfigurationException - upon receiving invalid configuration values

destroy

public void destroy()

Event Handler for the destruction of this component.

Specified by:

destroy in interface ComponentLifecycle

getTypeMapper

public TypeMapper getTypeMapper()

Retrieve the TypeMapper associated with this persistence connection.

Returns:

an instance of the TypeMapper for this data context

getDBConfig

public DBConfig getDBConfig()

Get the DBConfig Class

Returns:

the DBConfig for this context.

getDataContext

public String getDataContext()

Read only property that tells what data context we're a part of. Easier method than

Returns:

the data context that this persistence engine is dwelling in.

setConfigName

public void setConfigName(String configName)

Set the db configuration name

Parameters:

configName - the name of the database configuration to use.

getConfigName

public String getConfigName()

Retrieve the db configuration name

Returns:

java.lang.String

setDataURL

public void setDataURL(String dataURL)

Set the database connection URL

Parameters:

dataURL - a new URL formatted datbase URL

getDataURL

public String getDataURL()

Get the database connection url

Returns:

java.lang.String (URL Formatting)

setUserName

public void setUserName(String userName)

Set the user name for the db connection

Parameters:

userName - An alphanumeric user name

getUserName

public String getUserName()

Retrieve the user name for this db connection

Returns:

java.lang.String

setPassword

public void setPassword(String password)

Set the password for this data connection

Parameters:

password - The password for the JDBC connection.

getPassword

public String getPassword()

Retrieve the password for this data connection

Returns:

java.lang.String