org.jboss.osgi.repository.spi

Class MemoryRepositoryStorage

java.lang.Object

org.jboss.osgi.repository.spi.MemoryRepositoryStorage

All Implemented Interfaces:

RepositoryStorage

Direct Known Subclasses:

FileBasedRepositoryStorage

public class MemoryRepositoryStorage
extends Object
implements RepositoryStorage

A RepositoryStorage that maintains its state in local memory

Since:

16-Jan-2012

Author:

thomas.diesler@jboss.com

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MemoryRepositoryStorage.Factory

Constructor Summary

Constructors

Constructor and Description
MemoryRepositoryStorage(XRepository repository)

Method Summary

Methods

Modifier and Type	Method and Description
XResource	addResource(XResource res) Add the given resource to storage
Collection<org.osgi.resource.Capability>	findProviders(org.osgi.resource.Requirement req) Find the capabilities that match the specified requirement.
XRepository	getRepository() Get the associated reposistory;
RepositoryReader	getRepositoryReader() Get the repository reader for this storage
XResource	getResource(XIdentityCapability icap) Get the resource for the given identity capability.
protected AtomicLong	getResourceIndex()
boolean	removeResource(XResource res) Remove a the given resource from the cache.

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryRepositoryStorage

public MemoryRepositoryStorage(XRepository repository)

Method Detail

getResourceIndex

protected AtomicLong getResourceIndex()

getRepository

public XRepository getRepository()

Description copied from interface: RepositoryStorage

Get the associated reposistory;

Specified by:

getRepository in interface RepositoryStorage

getRepositoryReader

public RepositoryReader getRepositoryReader()

Description copied from interface: RepositoryStorage

Get the repository reader for this storage

Specified by:

getRepositoryReader in interface RepositoryStorage

findProviders

public Collection<org.osgi.resource.Capability> findProviders(org.osgi.resource.Requirement req)

Description copied from interface: RepositoryStorage

Find the capabilities that match the specified requirement.

Specified by:

findProviders in interface RepositoryStorage

Parameters:

req - The requirements for which matching capabilities should be returned. Must not be null.

Returns:

A collection of matching capabilities for the specified requirements. If there are no matching capabilities an empty collection is returned. The returned collection is the property of the caller and can be modified by the caller.

addResource

public XResource addResource(XResource res)
                      throws RepositoryStorageException

Description copied from interface: RepositoryStorage

Add the given resource to storage

Specified by:

addResource in interface RepositoryStorage

Parameters:

res - The resource to add

Returns:

The resource being added, which may be a modified copy of the give resource

Throws:

RepositoryStorageException - If there is a problem storing the resource

getResource

public XResource getResource(XIdentityCapability icap)

Description copied from interface: RepositoryStorage

Get the resource for the given identity capability.

Specified by:

getResource in interface RepositoryStorage

Returns:

The resource or null

removeResource

public boolean removeResource(XResource res)
                       throws RepositoryStorageException

Description copied from interface: RepositoryStorage

Remove a the given resource from the cache.

Specified by:

removeResource in interface RepositoryStorage

Parameters:

res - The resource to remove

Returns:

true if the resource could be found and removed

Throws:

RepositoryStorageException - If there is a problem removing the resource from storage