jakarta.nosql

Class ServiceLoaderProvider

java.lang.Object

jakarta.nosql.ServiceLoaderProvider

public final class ServiceLoaderProvider
extends Object

A class that loads class from ServiceLoader

Method Summary

Modifier and Type	Method and Description
static <T> T	get(Class<T> supplier) Searches implementation using ServiceLoader, and it will return the higher priority Priority
static <T> T	getUnique(Class<T> supplier) Searches implementation using ServiceLoader, an it will return an instance only if there is one implementation to it.
static <T,I extends T> I	getUnique(Class<T> supplier, Class<I> supplierImplementation) Searches implementation using ServiceLoader, an it will return an instance only if there is one implementation to it.
static <T> T	getUnique(Class<T> supplier, Predicate<Object> predicate) Searches implementation using ServiceLoader, an it will return an instance only if there is one implementation to it.

Methods inherited from class java.lang.Object

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

Method Detail

get

public static <T> T get(Class<T> supplier)

Searches implementation using ServiceLoader, and it will return the higher priority Priority

Type Parameters:

T - the type

Parameters:

supplier - the class

Returns:

the instance from the class

Throws:

ProviderNotFoundException - when the provider is not found

NullPointerException - when supplier is null

getUnique

public static <T> T getUnique(Class<T> supplier)

Searches implementation using ServiceLoader, an it will return an instance only if there is one implementation to it.

Type Parameters:

T - the type

Parameters:

supplier - the class

Returns:

the instance from the class

Throws:

ProviderNotFoundException - when the provider is not found

NullPointerException - when supplier is null

NonUniqueResultException - where there is more than one result

getUnique

public static <T> T getUnique(Class<T> supplier,
                              Predicate<Object> predicate)

Searches implementation using ServiceLoader, an it will return an instance only if there is one implementation to it.

Type Parameters:

T - the type

Parameters:

supplier - the class

predicate - the predicate to set in the filter

Returns:

the instance from the class

Throws:

ProviderNotFoundException - when the provider is not found

NullPointerException - when supplier is null

NonUniqueResultException - where there is more than one result

getUnique

public static <T,I extends T> I getUnique(Class<T> supplier,
                                          Class<I> supplierImplementation)

Searches implementation using ServiceLoader, an it will return an instance only if there is one implementation to it.

Type Parameters:

T - the type

I - a specific implementation of supplier

Parameters:

supplier - the class

supplierImplementation - to select a specific implementation

Returns:

the instance from the class

Throws:

ProviderNotFoundException - when the provider is not found

NullPointerException - when supplier is null

NonUniqueResultException - where there is more than one result