org.glassfish.jersey.spi.RequestExecutorProvider Maven / Gradle / Ivy
Show all versions of ehcache Show documentation
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.glassfish.jersey.spi;
import java.util.concurrent.ExecutorService;
/**
* Pluggable provider of {@link ExecutorService executor service} instance used to run
* different parts of Jersey request and response processing code.
*
* During Jersey runtime initialization, Jersey invokes the registered executor provider
* to get the {@link #getRequestingExecutor() requesting executor} that will be used
* to run the request pre-processing and request-to-response transformation code.
*
*
* The custom provider implementing this interface should be registered in the standard way on the server.
* The client must be created with configuration containing the provider, later registrations will be ignored.
*
*
* @author Marek Potociar (marek.potociar at oracle.com)
* @author Miroslav Fuksa (miroslav.fuksa at oracle.com)
*/
@Contract
public interface RequestExecutorProvider {
/**
* Get request processing executor.
*
* This method is called only once at Jersey initialization, before the
* first request is processed.
*
* @return request processing executor. Must not return {@code null}.
*/
public ExecutorService getRequestingExecutor();
/**
* Release the executor previously retrieved via {@link #getRequestingExecutor} call.
*
* This method is called when the Jersey runtime does not need the executor anymore.
* After this method has been called, the executor will not be used by the Jersey runtime
* anymore.
*
* The decision how the executor is released is left upon the provider implementation.
* In most typical scenarios, the executor may be simply shutdown. However in cases when
* the provider is implemented to re-use same executors across multiple components or Jersey
* runtimes, the executor release logic may require more sophisticated implementation.
*
*
* @param executor executor instance to be released.
* @since 2.5
*/
public void releaseRequestingExecutor(ExecutorService executor);
}