org.eclipse.emf.ecp.internal.core

Class ECPRepositoryManagerImpl

java.lang.Object

org.eclipse.net4j.util.event.Notifier

org.eclipse.net4j.util.lifecycle.Lifecycle

org.eclipse.emf.ecp.internal.core.util.Registry<ELEMENT,OBSERVER>

org.eclipse.emf.ecp.internal.core.util.ElementRegistry<ELEMENT,OBSERVER>

org.eclipse.emf.ecp.internal.core.util.PropertiesStore<InternalRepository,ECPObserver>

org.eclipse.emf.ecp.internal.core.ECPRepositoryManagerImpl

All Implemented Interfaces:

ECPRepositoryManager, ECPObserver, ECPProvidersChangedObserver, ECPDisposable.DisposeListener, org.eclipse.net4j.util.event.INotifier, org.eclipse.net4j.util.lifecycle.IDeactivateable, org.eclipse.net4j.util.lifecycle.ILifecycle, org.eclipse.net4j.util.lifecycle.ILifecycle.DeferrableActivation

public final class ECPRepositoryManagerImpl
extends PropertiesStore<InternalRepository,ECPObserver>
implements ECPRepositoryManager, ECPProvidersChangedObserver

This class manages the repositories.

Author:

Eike Stepper, Eugen Neufeld

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.emf.ecp.internal.core.util.PropertiesStore

PropertiesStore.StorableElement

Nested classes/interfaces inherited from interface org.eclipse.net4j.util.lifecycle.ILifecycle

org.eclipse.net4j.util.lifecycle.ILifecycle.DeferrableActivation

Field Summary

Fields inherited from class org.eclipse.net4j.util.lifecycle.Lifecycle

USE_LABEL

Constructor Summary

Constructors

Constructor and Description
ECPRepositoryManagerImpl() Should not be called directly, use service instead.

Method Summary

Modifier and Type	Method and Description
ECPRepository	addRepository(ECPProvider provider, String name, String label, String description, ECPProperties properties) This method allows the user to create a repository.
protected void	doActivate()
protected void	doDeactivate()
protected File	getFile(InternalRepository element)
Collection<ECPRepository>	getRepositories() Returns all known repositories.
InternalRepository	getRepository(Object adaptable) This method returns a ECPRepository from an adaptable.
InternalRepository	getRepository(String name) This method returns a repository by its name.
boolean	hasRepositories() Checks whether any repositories are available.
protected boolean	isLoadableElement(File file)
protected InternalRepository	loadElement(ObjectInput in) Loads an element.
void	notifyObjectsChanged(ECPRepository repository, Collection<Object> objects) This is called by the ECPRepository to notificate observers about chnages it its objects.
protected void	notifyObservers(Collection<InternalRepository> oldRepositories, Collection<InternalRepository> newRepositories) Notifies observers that the elements in the registry have changed.
void	providersChanged(Collection<ECPProvider> oldProviders, Collection<ECPProvider> newProviders) This is called to indicate, that providers changed.

Methods inherited from class org.eclipse.emf.ecp.internal.core.util.PropertiesStore

elementsChanged, getFolder, load, setFolder, storeElement

Methods inherited from class org.eclipse.emf.ecp.internal.core.util.ElementRegistry

addResolveListener, descriptorChanged, getElementName, removeResolveListener

Methods inherited from class org.eclipse.emf.ecp.internal.core.util.Registry

addObserver, changeElements, disposed, doChangeElements, getElement, getElementCount, getElementNames, getElements, hasElement, hasElements, isDisposingElement, isRemoveDisposedElements, removeObserver

Methods inherited from class org.eclipse.net4j.util.lifecycle.Lifecycle

activate, checkActive, checkArg, checkArg, checkInactive, checkNull, checkState, checkState, deactivate, deferredActivate, doAfterActivate, doBeforeActivate, doBeforeDeactivate, dump, getLifecycleState, isActive, isDeferredActivation, toString

Methods inherited from class org.eclipse.net4j.util.event.Notifier

addListener, fireEvent, fireEvent, fireEvent, fireThrowable, firstListenerAdded, getListeners, getNotificationService, hasListeners, lastListenerRemoved, removeListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.net4j.util.event.INotifier

addListener, getListeners, hasListeners, removeListener

Constructor Detail

ECPRepositoryManagerImpl

public ECPRepositoryManagerImpl()

Should not be called directly, use service instead.

Method Detail

getRepository

public InternalRepository getRepository(Object adaptable)

This method returns a ECPRepository from an adaptable.

Specified by:

getRepository in interface ECPRepositoryManager

Parameters:

adaptable - the adaptable to adapt

Returns:

ECPRepository or null if the adaptable could not be adapted

getRepository

public InternalRepository getRepository(String name)

This method returns a repository by its name.

Specified by:

getRepository in interface ECPRepositoryManager

Parameters:

name - the name of the repository

Returns:

the ECPRepository or null if no repository with such name exists.

getRepositories

public Collection<ECPRepository> getRepositories()

Returns all known repositories.

Specified by:

getRepositories in interface ECPRepositoryManager

Returns:

an array of all known ECPRepositories

hasRepositories

public boolean hasRepositories()

Checks whether any repositories are available.

Returns:

true if any repository is available, false otherwise

addRepository

public ECPRepository addRepository(ECPProvider provider,
                                   String name,
                                   String label,
                                   String description,
                                   ECPProperties properties)

This method allows the user to create a repository. If ECPProvider.hasCreateRepositorySupport() returns false an UnsupportedOperationException is thrown.

Specified by:

addRepository in interface ECPRepositoryManager

Parameters:

provider - the ECPProvider of this repository

name - the name of the new repository

label - the label of the new repository

description - the description of the new repository

properties - the ECPProperties of this repository

Returns:

the created ECPRepository

notifyObjectsChanged

public void notifyObjectsChanged(ECPRepository repository,
                                 Collection<Object> objects)

This is called by the ECPRepository to notificate observers about chnages it its objects.

Parameters:

repository - the repository where the changes occured

objects - the changed objects

providersChanged

public void providersChanged(Collection<ECPProvider> oldProviders,
                             Collection<ECPProvider> newProviders)

This is called to indicate, that providers changed. Either a provider was added or removed.

Specified by:

providersChanged in interface ECPProvidersChangedObserver

Parameters:

oldProviders - provider before change

newProviders - providers after change

getFile

protected File getFile(InternalRepository element)

Overrides:

getFile in class PropertiesStore<InternalRepository,ECPObserver>

isLoadableElement

protected boolean isLoadableElement(File file)

Overrides:

isLoadableElement in class PropertiesStore<InternalRepository,ECPObserver>

loadElement

protected InternalRepository loadElement(ObjectInput in)
                                  throws IOException

Description copied from class: PropertiesStore

Loads an element.

Specified by:

loadElement in class PropertiesStore<InternalRepository,ECPObserver>

Parameters:

in - an ObjectInput to load the element from

Returns:

the element

Throws:

IOException - if the element cannot be loaded correctly

notifyObservers

protected void notifyObservers(Collection<InternalRepository> oldRepositories,
                               Collection<InternalRepository> newRepositories)
                        throws Exception

Description copied from class: Registry

Notifies observers that the elements in the registry have changed.

Specified by:

notifyObservers in class Registry<InternalRepository,ECPObserver>

Parameters:

oldRepositories - The old collection of elements

newRepositories - The new collection of elements

Throws:

Exception

doActivate

protected void doActivate()
                   throws Exception

Overrides:

doActivate in class PropertiesStore<InternalRepository,ECPObserver>

Throws:

Exception

doDeactivate

protected void doDeactivate()
                     throws Exception

Overrides:

doDeactivate in class org.eclipse.net4j.util.lifecycle.Lifecycle

Throws:

Exception