JDK8/Java8源码在线阅读

/*
 * Copyright (c) 2008, 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 */

package com.sun.tracing.dtrace;

/**
 * Enumeration for the DTrace stability levels.
 *
 * @see <a href="http://docs.sun.com/app/docs/doc/817-6223/6mlkidlnp?a=view">Solaris Dynamic Tracing Guide, Chapter 39: Stability</a>
 * @since 1.7
 */
public enum StabilityLevel {
    /**
     * The interface is private to DTrace and represents an implementation
     * detail of DTrace.
     */
    INTERNAL  (0),
    /**
     * The interface is private to Sun for use by other Sun products. It is
     * not yet publicly documented for use by customers and ISVs.
     */
    PRIVATE  (1),
    /**
     * The interface is supported in the current release but is scheduled
     * to be removed, most likely in a future minor release.
     */
    OBSOLETE (2),
    /**
     * The interface is controlled by an entity other than Sun.
     */
    EXTERNAL (3),
    /**
     * The interface gives developers early access to new or
     * rapidly changing technology or to an implementation artifact that is
     * essential for observing or debugging system behavior. A more
     * stable solution is anticipated in the future.
     */
    UNSTABLE (4),
    /**
     * The interface might eventually become Standard or Stable but is
     * still in transition.
     */
    EVOLVING (5),
    /**
     * The interface is a mature interface under Sun's control.
     */
    STABLE   (6),
    /**
     * The interface complies with an industry standard.
     */
    STANDARD (7);


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