org.hibernate.search.engine.service.classloading.spi

Interface ClassLoaderService

All Superinterfaces:

Service

All Known Implementing Classes:

DefaultClassLoaderService, DelegatingClassLoaderService

public interface ClassLoaderService
extends Service

A service for interacting with class loaders.

Author:

Steve Ebersole, Hardy Ferentschik

Method Summary

Methods

Modifier and Type	Method and Description
<T> Class<T>	classForName(String className) Locate a class by name.
<T> LinkedHashSet<T>	loadJavaServices(Class<T> serviceContract) Discovers and instantiates implementations of the named service contract.
URL	locateResource(String name) Locate a resource by name (classpath lookup).
InputStream	locateResourceStream(String name) Locate a resource by name (classpath lookup) and gets its stream.

Method Detail

classForName

<T> Class<T> classForName(String className)

Locate a class by name.

Type Parameters:

T - The returned class type.

Parameters:

className - The name of the class to locate

Returns:

The class reference

Throws:

ClassLoadingException - Indicates the class could not be found

locateResource

URL locateResource(String name)

Locate a resource by name (classpath lookup).

Parameters:

name - The resource name.

Returns:

The located URL; may return null to indicate the resource was not found

locateResourceStream

InputStream locateResourceStream(String name)

Locate a resource by name (classpath lookup) and gets its stream.

Parameters:

name - The resource name.

Returns:

The stream of the located resource; may return null to indicate the resource was not found

loadJavaServices

<T> LinkedHashSet<T> loadJavaServices(Class<T> serviceContract)

Discovers and instantiates implementations of the named service contract.

NOTE : the terms service here is used differently than Service. Instead here we are talking about services as defined by ServiceLoader.

Type Parameters:

T - The type of the service contract

Parameters:

serviceContract - The java type defining the service contract

Returns:

The ordered set of discovered services.