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• ManagedObjectsFinalizer.java

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org.glassfish.jersey.model.internal.ManagedObjectsFinalizer Maven / Gradle / Ivy

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2015-2017 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:
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package org.glassfish.jersey.model.internal;

import java.util.HashSet;
import java.util.Set;

import javax.annotation.PreDestroy;
import javax.inject.Inject;
import javax.inject.Singleton;

import org.glassfish.jersey.internal.inject.InjectionManager;

/**
 * Invokes {@link PreDestroy} methods on all registered objects, when the injection manager is shut down.
 * 

 * Some objects managed by Jersey are created using {@link InjectionManager#createAndInitialize}. This means
 * that such objects are created, dependencies injected and methods annotated with {@link javax.annotation.PostConstruct}
 * invoked. Therefore methods annotated with {@link PreDestroy} should be invoked on such objects too, when they are destroyed.
 * 

 * This service invokes {@link PreDestroy} on all registered objects when {@link InjectionManager#shutdown()} is invoked
 * on the injection manager where this service is registered. Therefore only classes with their lifecycle linked
 * to the injection manager that created them should be registered here.
 *
 * @author Petr Janouch (petr.janouch at oracle.com)
 */
@Singleton
public class ManagedObjectsFinalizer {

    @Inject
    private InjectionManager injectionManager;

    private final Set