org.datanucleus.store.autostart

Class MetaDataAutoStarter

java.lang.Object

org.datanucleus.store.autostart.AbstractAutoStartMechanism

org.datanucleus.store.autostart.MetaDataAutoStarter

All Implemented Interfaces:

AutoStartMechanism

public class MetaDataAutoStarter
extends AbstractAutoStartMechanism

An auto-starter mechanism that uses a defined list of metadata files to be loaded at startup.

Nested Class Summary

Nested classes/interfaces inherited from interface org.datanucleus.store.autostart.AutoStartMechanism

AutoStartMechanism.Mode

Field Summary

Fields

Modifier and Type	Field and Description
protected Collection	classes
protected ClassLoaderResolver	clr
protected String	metaDataFiles Names of the metadata files to start with (comma-separated).
protected StoreManager	storeMgr

Fields inherited from class org.datanucleus.store.autostart.AbstractAutoStartMechanism

mode, open

Constructor Summary

Constructors

Constructor and Description
MetaDataAutoStarter(StoreManager storeMgr, ClassLoaderResolver clr) Constructor, taking the names of the metadata to use.

Method Summary

Modifier and Type	Method and Description
void	addClass(StoreData data) Method to add a class to the starter.
void	deleteAllClasses() Method to remove all classes from the starter.
void	deleteClass(String className) Method to remove a class from the starter.
Collection	getAllClassData() Accessor for all auto start data for this starter.
String	getStorageDescription() Method to give a descriptive name for the starter process.

Methods inherited from class org.datanucleus.store.autostart.AbstractAutoStartMechanism

close, getMode, isOpen, open, setMode

Methods inherited from class java.lang.Object

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

Field Detail

metaDataFiles

protected String metaDataFiles

Names of the metadata files to start with (comma-separated).

storeMgr

protected StoreManager storeMgr

clr

protected ClassLoaderResolver clr

classes

protected Collection classes

Constructor Detail

MetaDataAutoStarter

public MetaDataAutoStarter(StoreManager storeMgr,
                           ClassLoaderResolver clr)

Constructor, taking the names of the metadata to use.

Parameters:

storeMgr - The StoreManager managing the store that we are auto-starting.

clr - The ClassLoaderResolver

Method Detail

getAllClassData

public Collection getAllClassData()
                           throws DatastoreInitialisationException

Accessor for all auto start data for this starter.

Returns:

The class auto start data. Collection of StoreData elements

Throws:

DatastoreInitialisationException - If an error occurs in datastore init

addClass

public void addClass(StoreData data)

Method to add a class to the starter.

Parameters:

data - The store data to add

deleteClass

public void deleteClass(String className)

Method to remove a class from the starter.

Parameters:

className - The name of the class to remove.

deleteAllClasses

public void deleteAllClasses()

Method to remove all classes from the starter.

getStorageDescription

public String getStorageDescription()

Method to give a descriptive name for the starter process.

Returns:

Description of the starter process.