jadex.bridge.service.component

Class DefaultServiceFetcher

java.lang.Object

jadex.bridge.service.component.DefaultServiceFetcher

All Implemented Interfaces:

IRequiredServiceFetcher

public class DefaultServiceFetcher
extends Object
implements IRequiredServiceFetcher

The default service fetcher realizes the default strategy for fetching a required service. Allows for: - binding by searching service(s) - binding by name - binding by type - dynamic or static binding - creation of components - recovery of failed services cannot be done here because failure occurs at time of service call

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	DefaultServiceFetcher.StoreDelegationResultListener<T> Simple listener that can store the result in a member variable.
class	DefaultServiceFetcher.StoreIntermediateDelegationResultListener Simple listener that can store the result in a member variable.

Constructor Summary

Constructors

Constructor and Description
DefaultServiceFetcher(IServiceProvider provider, IExternalAccess access) Create a new required service fetcher.

Method Summary

Methods

Modifier and Type	Method and Description
IFuture	createProxy(IService service, RequiredServiceInfo info, RequiredServiceBinding binding) Create a proxy.
IFuture<Collection<IExternalAccess>>	getChildExternalAccesses(IComponentIdentifier cid, IServiceProvider provider, RequiredServiceInfo info, RequiredServiceBinding binding) Get a fitting (of given type) child component.
IFuture	getParentAccess(IServiceProvider provider, RequiredServiceInfo info, RequiredServiceBinding binding)
<T> IFuture<T>	getService(RequiredServiceInfo info, RequiredServiceBinding bd, boolean rebind) Get a required service.
IIntermediateFuture	getServices(RequiredServiceInfo info, RequiredServiceBinding bd, boolean rebind) Get a required multi service.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultServiceFetcher

public DefaultServiceFetcher(IServiceProvider provider,
                     IExternalAccess access)

Create a new required service fetcher.

Method Detail

getService

public <T> IFuture<T> getService(RequiredServiceInfo info,
                        RequiredServiceBinding bd,
                        boolean rebind)

Get a required service.

Specified by:

getService in interface IRequiredServiceFetcher

Parameters:

info - The service info.

rebind - Flag if should be rebound.

getServices

public IIntermediateFuture getServices(RequiredServiceInfo info,
                              RequiredServiceBinding bd,
                              boolean rebind)

Get a required multi service.

Specified by:

getServices in interface IRequiredServiceFetcher

Parameters:

info - The service info.

rebind - Flag if should be rebound.

getChildExternalAccesses

public IFuture<Collection<IExternalAccess>> getChildExternalAccesses(IComponentIdentifier cid,
                                                            IServiceProvider provider,
                                                            RequiredServiceInfo info,
                                                            RequiredServiceBinding binding)

Get a fitting (of given type) child component.

getParentAccess

public IFuture getParentAccess(IServiceProvider provider,
                      RequiredServiceInfo info,
                      RequiredServiceBinding binding)

createProxy

public IFuture createProxy(IService service,
                  RequiredServiceInfo info,
                  RequiredServiceBinding binding)

Create a proxy.