Class ServiceHelper

java.lang.Object

dev.langchain4j.spi.ServiceHelper

public class ServiceHelper
extends Object

Utility wrapper around ServiceLoader.load().

Method Summary

Modifier and Type	Method	Description
static <T> Collection<T>	loadFactories(Class<T> clazz)	Load all the services of a given type.
static <T> Collection<T>	loadFactories(Class<T> clazz, ClassLoader classLoader)	Load all the services of a given type.
static <T> T	loadFactory(Class<T> clazz)	Load the first available service of a given type.

Methods inherited from class Object

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

Method Details

loadFactory

public static <T> T loadFactory(Class<T> clazz)

Load the first available service of a given type.

Type Parameters:

T - the type of service

Parameters:

clazz - the type of service

Returns:

the first service, null if none

loadFactories

public static <T> Collection<T> loadFactories(Class<T> clazz)

Load all the services of a given type.

Type Parameters:

T - the type of service

Parameters:

clazz - the type of service

Returns:

the list of services, empty if none

loadFactories

public static <T> Collection<T> loadFactories(Class<T> clazz,
 ClassLoader classLoader)

Load all the services of a given type.

Utility mechanism around ServiceLoader.load()

• If classloader is null, will try ServiceLoader.load(clazz)
• If classloader is not null, will try ServiceLoader.load(clazz, classloader)

If the above return nothing, will fall back to ServiceLoader.load(clazz, $this class loader$)

Type Parameters:

T - the type of service

Parameters:

clazz - the type of service

classLoader - the classloader to use, may be null

Returns:

the list of services, empty if none