tigase.db.beans

Class MDRepositoryBean<T extends DataSourceAware>

java.lang.Object

tigase.db.beans.MDRepositoryBean<T>

All Implemented Interfaces:

Initializable, RegistrarBean, RegistrarBeanWithDefaultBeanClass, UnregisterAware

Direct Known Subclasses:

MDRepositoryBeanWithStatistics

public abstract class MDRepositoryBean<T extends DataSourceAware>
extends Object
implements Initializable, UnregisterAware, RegistrarBeanWithDefaultBeanClass

Abstract class implementing bean to which should be used to create name aware repository pool. This class is responsible for creation of correct repository instances for every DataSource configured.
Created by andrzej on 15.03.2016.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MDRepositoryBean.MDRepositoryConfigBean<A extends DataSourceAware> MDRepositoryConfigBean is bean responsible for basic management and initialization of repository for domain.
static class	MDRepositoryBean.SelectorType Determines behaviour of MDRepositoryBean.

Field Summary

Fields

Modifier and Type	Field and Description
protected ConcurrentHashMap<String,String>	aliases
protected MDRepositoryBean.SelectorType	dataSourceSelection

Constructor Summary

Constructors

Constructor and Description
MDRepositoryBean()

Method Summary

Modifier and Type	Method and Description
void	beforeUnregister() Method called before bean unregister.
protected abstract Class<? extends T>	findClassForDataSource(DataSource dataSource) Method returns class implementing repository which supports data source instance provided in parameter.
String	getName() Returns name of a bean
protected Map<String,T>	getRepositories() Provides access to unmodifiable map domain to repository instance
protected T	getRepository(String domain) Provides repository instance for passed domain name
void	initialize() Method will be called, when bean will be created, configured and ready to use.
protected void	initializeRepository(String domain, T repo) Method called to initialized passed repository instance for passed domain.
protected void	onDataSourceChange(DataSourceBean.DataSourceChangedEvent event)
void	register(Kernel kernel) Method called when bean is being registered allowing developer to programatically register other beans.
void	registerIfNotExists(String name)
protected Stream<T>	repositoriesStream() Provides access to all available repository instances
void	setDataSourceBean(DataSourceBean dataSourceBean)
void	unregister(Kernel kernel) Method called while bean is being unregistered.
protected void	updateDataSourceAware(String domain, T newRepo, T oldRepo) Method called when repository instance for domain changes.

Methods inherited from class java.lang.Object

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

Methods inherited from interface tigase.kernel.beans.RegistrarBeanWithDefaultBeanClass

getDefaultBeanClass

Field Detail

aliases

@ConfigField(desc="Map of aliases for data sources to use")
protected ConcurrentHashMap<String,String> aliases

dataSourceSelection

@ConfigField(desc="Create repositories for: every UserRepository, every data source, listed data sources")
protected MDRepositoryBean.SelectorType dataSourceSelection

Constructor Detail

MDRepositoryBean

public MDRepositoryBean()

Method Detail

getName

public String getName()

Returns name of a bean

Returns:

name of a bean

setDataSourceBean

public void setDataSourceBean(DataSourceBean dataSourceBean)

registerIfNotExists

public void registerIfNotExists(String name)

register

public void register(Kernel kernel)

Description copied from interface: RegistrarBean

Method called when bean is being registered allowing developer to programatically register other beans.

Specified by:

register in interface RegistrarBean

Parameters:

kernel - - instance from local scope

unregister

public void unregister(Kernel kernel)

Description copied from interface: RegistrarBean

Method called while bean is being unregistered.

Specified by:

unregister in interface RegistrarBean

Parameters:

kernel - - instance from local scope

initialize

public void initialize()

Description copied from interface: Initializable

Method will be called, when bean will be created, configured and ready to use.

Specified by:

initialize in interface Initializable

beforeUnregister

public void beforeUnregister()

Description copied from interface: UnregisterAware

Method called before bean unregister.

Specified by:

beforeUnregister in interface UnregisterAware

findClassForDataSource

protected abstract Class<? extends T> findClassForDataSource(DataSource dataSource)
                                                      throws DBInitException

Method returns class implementing repository which supports data source instance provided in parameter.

Returns:

repository class

Throws:

DBInitException

repositoriesStream

protected Stream<T> repositoriesStream()

Provides access to all available repository instances

Returns:

stream of repository instances

getRepositories

protected Map<String,T> getRepositories()

Provides access to unmodifiable map domain to repository instance

Returns:

map of domain to repository instance

getRepository

protected T getRepository(String domain)

Provides repository instance for passed domain name

Returns:

instance of repository

onDataSourceChange

@HandleEvent
protected void onDataSourceChange(DataSourceBean.DataSourceChangedEvent event)

initializeRepository

protected void initializeRepository(String domain,
                                    T repo)

Method called to initialized passed repository instance for passed domain.
Should be empty if no custom initialization is required.

updateDataSourceAware

protected void updateDataSourceAware(String domain,
                                     T newRepo,
                                     T oldRepo)

Method called when repository instance for domain changes.

Parameters:

domain - name of domain

newRepo - new instance of repository

oldRepo - old instance of repository