Files
Paper/paper-api/src/main/java/org/bukkit/plugin/ServicesManager.java
Bukkit/Spigot 19b6eb1dda #587: Fix various javadoc typos
By: Matthew Sanders <msanders5984@gmail.com>
2021-02-22 19:36:26 +11:00

114 lines
3.5 KiB
Java

package org.bukkit.plugin;
import java.util.Collection;
import java.util.List;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* Manages services and service providers. Services are an interface
* specifying a list of methods that a provider must implement. Providers are
* implementations of these services. A provider can be queried from the
* services manager in order to use a service (if one is available). If
* multiple plugins register a service, then the service with the highest
* priority takes precedence.
*/
public interface ServicesManager {
/**
* Register a provider of a service.
*
* @param <T> Provider
* @param service service class
* @param provider provider to register
* @param plugin plugin with the provider
* @param priority priority of the provider
*/
public <T> void register(@NotNull Class<T> service, @NotNull T provider, @NotNull Plugin plugin, @NotNull ServicePriority priority);
/**
* Unregister all the providers registered by a particular plugin.
*
* @param plugin The plugin
*/
public void unregisterAll(@NotNull Plugin plugin);
/**
* Unregister a particular provider for a particular service.
*
* @param service The service interface
* @param provider The service provider implementation
*/
public void unregister(@NotNull Class<?> service, @NotNull Object provider);
/**
* Unregister a particular provider.
*
* @param provider The service provider implementation
*/
public void unregister(@NotNull Object provider);
/**
* Queries for a provider. This may return null if no provider has been
* registered for a service. The highest priority provider is returned.
*
* @param <T> The service interface
* @param service The service interface
* @return provider or null
*/
@Nullable
public <T> T load(@NotNull Class<T> service);
/**
* Queries for a provider registration. This may return null if no provider
* has been registered for a service.
*
* @param <T> The service interface
* @param service The service interface
* @return provider registration or null
*/
@Nullable
public <T> RegisteredServiceProvider<T> getRegistration(@NotNull Class<T> service);
/**
* Get registrations of providers for a plugin.
*
* @param plugin The plugin
* @return provider registrations
*/
@NotNull
public List<RegisteredServiceProvider<?>> getRegistrations(@NotNull Plugin plugin);
/**
* Get registrations of providers for a service. The returned list is
* unmodifiable.
*
* @param <T> The service interface
* @param service The service interface
* @return list of registrations
*/
@NotNull
public <T> Collection<RegisteredServiceProvider<T>> getRegistrations(@NotNull Class<T> service);
/**
* Get a list of known services. A service is known if it has registered
* providers for it.
*
* @return list of known services
*/
@NotNull
public Collection<Class<?>> getKnownServices();
/**
* Returns whether a provider has been registered for a service. Do not
* check this first only to call <code>load(service)</code> later, as that
* would be a non-thread safe situation.
*
* @param <T> service
* @param service service to check
* @return whether there has been a registered provider
*/
public <T> boolean isProvidedFor(@NotNull Class<T> service);
}