jdk/src/java.base/share/classes/jdk/internal/ref/CleanerFactory.java

/*
 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package jdk.internal.ref;

import java.lang.ref.Cleaner;

/**
 * CleanerFactory provides a Cleaner for use within OpenJDK modules.
 * The cleaner is created on the first reference to the CleanerFactory.
 */
public final class CleanerFactory {

    /* The common Cleaner. */
    private final static Cleaner commonCleaner = Cleaner.create();

    /**
     * Cleaner for use within OpenJDK modules.
     *
     * @return a Cleaner for use within OpenJDK modules
     */
    public static Cleaner cleaner() {
        return commonCleaner;
    }

}