/*
 * Copyright (c) 2017, 2019 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.glassfish.jersey.client;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import javax.inject.Qualifier;

Injection qualifier that can be used to inject an ScheduledExecutorService instance used by Jersey client runtime to schedule background tasks. 
 The scheduled executor service instance injected using this injection qualifier can be customized by registering a custom ScheduledExecutorServiceProvider implementation that is itself annotated with the @ClientAsyncExecutor annotation. 
Author:
Adam Lindenthal
See Also:
ClientBackgroundSchedulerLiteral
Since:
2.26/**
 * Injection qualifier that can be used to inject an {@link java.util.concurrent.ScheduledExecutorService}
 * instance used by Jersey client runtime to schedule background tasks.
 * <p>
 * The scheduled executor service instance injected using this injection qualifier can be customized
 * by registering a custom {@link org.glassfish.jersey.spi.ScheduledExecutorServiceProvider} implementation that is itself
 * annotated with the {@code &#64;ClientAsyncExecutor} annotation.
 * </p>
 *
 * @author Adam Lindenthal
 * @see ClientBackgroundSchedulerLiteral
 * @since 2.26
 */
@Target({ElementType.PARAMETER, ElementType.FIELD, ElementType.METHOD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Inherited
@Qualifier
public @interface ClientBackgroundScheduler {

}