Package org.apache.felix.bundlerepository.impl

Class ResolverImpl

java.lang.Object

org.apache.felix.bundlerepository.impl.ResolverImpl

All Implemented Interfaces:

Resolver

public class ResolverImpl
extends java.lang.Object
implements Resolver

Field Summary

Fields inherited from interface org.apache.felix.bundlerepository.Resolver

DO_NOT_PREFER_LOCAL, NO_LOCAL_RESOURCES, NO_OPTIONAL_RESOURCES, NO_SYSTEM_BUNDLE, START

Constructor Summary

Constructors

Constructor	Description
ResolverImpl(org.osgi.framework.BundleContext context, Repository[] repositories, org.apache.felix.utils.log.Logger logger)

Method Summary

Modifier and Type	Method	Description
void	add(Requirement requirement)	Add the following requirement to the resolution The current resolution will be lost after adding a requirement.
void	add(Resource resource)	Add the following resource to the resolution.
void	addGlobalCapability(Capability capability)	Add a global capability.
void	deploy(int flags)
Requirement[]	getAddedRequirements()	Returns the list of requirements that have been added to the resolution
Resource[]	getAddedResources()	Returns the list of resources that have been added to the resolution
static java.lang.String	getBundleName(org.osgi.framework.Bundle bundle)
Capability[]	getGlobalCapabilities()	Returns the list of global capabilities
protected LocalResource[]	getLocalResources()
Resource[]	getOptionalResources()	List of optional resources that may be installed
Reason[]	getReason(Resource resource)	List of reasons why a resource has been included either as a mandatory or optional resource during the resolution.
Resource[]	getRequiredResources()	List of mandatory resources that need to be installed
Reason[]	getUnsatisfiedRequirements()	List of requirements that could not be satisfied during the resolution
boolean	resolve()	Start the resolution process and return whether the constraints have been successfully met or not.
boolean	resolve(int flags)	Start the resolution process with the following flags.

Methods inherited from class java.lang.Object

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

Constructor Detail

ResolverImpl

public ResolverImpl(org.osgi.framework.BundleContext context,
                    Repository[] repositories,
                    org.apache.felix.utils.log.Logger logger)

Method Detail

add

public void add(Resource resource)

Description copied from interface: Resolver

Add the following resource to the resolution. The resource will be part of the output and all its requirements will be satisfied. It has the same effect has adding a requirement that will match this resource by symbolicname and version. The current resolution will be lost after adding a resource.

Specified by:

add in interface Resolver

Parameters:

resource - the resource to add

getAddedResources

public Resource[] getAddedResources()

Description copied from interface: Resolver

Returns the list of resources that have been added to the resolution

Specified by:

getAddedResources in interface Resolver

Returns:

add

public void add(Requirement requirement)

Description copied from interface: Resolver

Add the following requirement to the resolution The current resolution will be lost after adding a requirement.

Specified by:

add in interface Resolver

Parameters:

requirement - the requirement to add

getAddedRequirements

public Requirement[] getAddedRequirements()

Description copied from interface: Resolver

Returns the list of requirements that have been added to the resolution

Specified by:

getAddedRequirements in interface Resolver

Returns:

addGlobalCapability

public void addGlobalCapability(Capability capability)

Description copied from interface: Resolver

Add a global capability. A global capability is one capability provided by the environment but not reflected in local resources.

Specified by:

addGlobalCapability in interface Resolver

Parameters:

capability - the new global capability

getGlobalCapabilities

public Capability[] getGlobalCapabilities()

Description copied from interface: Resolver

Returns the list of global capabilities

Specified by:

getGlobalCapabilities in interface Resolver

Returns:

getRequiredResources

public Resource[] getRequiredResources()

Description copied from interface: Resolver

List of mandatory resources that need to be installed

Specified by:

getRequiredResources in interface Resolver

Returns:

getOptionalResources

public Resource[] getOptionalResources()

Description copied from interface: Resolver

List of optional resources that may be installed

Specified by:

getOptionalResources in interface Resolver

Returns:

getReason

public Reason[] getReason(Resource resource)

Description copied from interface: Resolver

List of reasons why a resource has been included either as a mandatory or optional resource during the resolution.

Specified by:

getReason in interface Resolver

Returns:

an array of Reason

getUnsatisfiedRequirements

public Reason[] getUnsatisfiedRequirements()

Description copied from interface: Resolver

List of requirements that could not be satisfied during the resolution

Specified by:

getUnsatisfiedRequirements in interface Resolver

Returns:

getLocalResources

protected LocalResource[] getLocalResources()

resolve

public boolean resolve()

Description copied from interface: Resolver

Start the resolution process and return whether the constraints have been successfully met or not. The resolution can be interrupted by a call to Thread.interrupt() at any time. The result will be to stop the resolver and throw an InterruptedException.

Specified by:

resolve in interface Resolver

Returns:

true if the resolution has succeeded else false

resolve

public boolean resolve(int flags)

Description copied from interface: Resolver

Start the resolution process with the following flags.

Specified by:

resolve in interface Resolver

Parameters:

flags - resolution flags

Returns:

true if the resolution has succeeded else false

deploy

public void deploy(int flags)

Specified by:

deploy in interface Resolver

getBundleName

public static java.lang.String getBundleName(org.osgi.framework.Bundle bundle)