org.ehcache.spi.service

Interface ServiceProvider<T extends Service>

Type Parameters:

T - The type of services this provider returns

public interface ServiceProvider<T extends Service>

A repository of Service instances that can be used to look them up by type.

Method Summary

Modifier and Type	Method and Description
<U extends T> U	getService(java.lang.Class<U> serviceType) Looks up the Service of the given serviceType.
<U extends T> java.util.Collection<U>	getServicesOfType(java.lang.Class<U> serviceType) Looks up all Service instances that are subtypes of the given serviceType supplied.

Method Detail

getService

<U extends T> U getService(java.lang.Class<U> serviceType)

Looks up the Service of the given serviceType.

There is no guarantee that services returned here will be started.

Type Parameters:

U - the Service type

Parameters:

serviceType - the class of the service being looked up

Returns:

a service instance of type T, or null if it couldn't be located

Throws:

java.lang.IllegalArgumentException - if serviceType is marked with the PluralService annotation

See Also:

Service.start(ServiceProvider)

getServicesOfType

<U extends T> java.util.Collection<U> getServicesOfType(java.lang.Class<U> serviceType)

Looks up all Service instances that are subtypes of the given serviceType supplied.

This method must be used to retrieves service types marked with the PluralService annotation.

Type Parameters:

U - the Service type

Parameters:

serviceType - the class of the service being looked up

Returns:

all the service instances assignable to serviceType