com.google.auto.service.AutoService Maven / Gradle / Ivy
/*
* Copyright 2008 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.auto.service;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.CLASS;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
/**
* An annotation for service providers as described in {@link java.util.ServiceLoader}. The
* annotation processor generates the configuration files that allow the annotated class to be
* loaded with {@link java.util.ServiceLoader#load(Class)}.
*
* The annotated class must conform to the service provider specification. Specifically, it must:
*
*
* - be a non-inner, non-anonymous, concrete class
*
- have a publicly accessible no-arg constructor
*
- implement the interface type returned by {@code value()}
*
*/
@Documented
@Retention(CLASS)
@Target(TYPE)
public @interface AutoService {
/** Returns the interfaces implemented by this service provider. */
Class[] value();
}