IdServiceDirectoryType

All Superinterfaces:: AutoCloseable, Closeable

All Known Implementing Classes:: IdServiceDirectory

public interface IdServiceDirectoryType extends Closeable

The type of service directories.

Method Summary

Modifier and Type

Method

Description

<T extends IdServiceType> Optional<T>

optionalService(Class<T> clazz)

Get an optional reference to the given service.

<T extends IdServiceType> List<? extends T>

optionalServices(Class<T> clazz)

Get references to the given services.

<T extends IdServiceType> T

requireService(Class<T> clazz)

Get a required reference to the given service.

List<IdServiceType>

services()

Methods inherited from interface java.io.Closeable
close

Method Details
- optionalService
  
  <T extends IdServiceType> Optional<T> optionalService(Class<T> clazz)
  
  Get an optional reference to the given service.
  
  Type Parameters:
  
  T - The service type
  
  Parameters:
  
  clazz - The service interface
  
  Returns:
  
  A service reference, if a service exists
- requireService
  
  <T extends IdServiceType> T requireService(Class<T> clazz) throws IdServiceException
  
  Get a required reference to the given service.
  
  Type Parameters:
  
  T - The service type
  
  Parameters:
  
  clazz - The service interface
  
  Returns:
  
  A service reference
  
  Throws:
  
  IdServiceException - If no service exists
- optionalServices
  
  <T extends IdServiceType> List<? extends T> optionalServices(Class<T> clazz) throws IdServiceException
  
  Get references to the given services.
  
  Type Parameters:
  
  T - The service type
  
  Parameters:
  
  clazz - The service interface
  
  Returns:
  
  A service list, if services exist
  
  Throws:
  
  IdServiceException - If no required
- services
  
  List<IdServiceType> services()
  
  Returns:
  
  A read-only list of all the services present