jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/org/glassfish/external/probe/provider/StatsProviderManager.java@9c07ef4934dd

     1 /*

     2  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    28 package com.sun.org.glassfish.external.probe.provider;

    30 import java.util.Vector;

    32 /**

    33  *

    34  * @author abbagani

    35  */

    36 public class StatsProviderManager {

    38    private StatsProviderManager(){

    39    }

    42    public static boolean register(String configElement, PluginPoint pp,

    43                                     String subTreeRoot, Object statsProvider) {

    44         return (register(pp, configElement, subTreeRoot, statsProvider, null));

    45    }

    47    public static boolean register(PluginPoint pp, String configElement,

    48                                   String subTreeRoot, Object statsProvider,

    49                                   String invokerId) {

    50         StatsProviderInfo spInfo =

    51             new StatsProviderInfo(configElement, pp, subTreeRoot, statsProvider, invokerId);

    53         return registerStatsProvider(spInfo);

    54    }

    56    public static boolean register(String configElement, PluginPoint pp,

    57                                     String subTreeRoot, Object statsProvider,

    58                                     String configLevelStr) {

    59         return(register(configElement, pp, subTreeRoot, statsProvider, configLevelStr, null));

    60    }

    62    public static boolean register(String configElement, PluginPoint pp,

    63                                     String subTreeRoot, Object statsProvider,

    64                                     String configLevelStr, String invokerId) {

    65         StatsProviderInfo spInfo =

    66             new StatsProviderInfo(configElement, pp, subTreeRoot, statsProvider, invokerId);

    67         spInfo.setConfigLevel(configLevelStr);

    69         return registerStatsProvider(spInfo);

    70    }

    72    private static boolean registerStatsProvider(StatsProviderInfo spInfo) {

    73       //Ideally want to start this in a thread, so we can reduce the startup time

    74       if (spmd == null) {

    75           //Make an entry into the toBeRegistered map

    76           toBeRegistered.add(spInfo);

    77       } else {

    78           spmd.register(spInfo);

    79           return true;

    80       }

    81        return false;

    82    }

    84    public static boolean unregister(Object statsProvider) {

    85       //Unregister the statsProvider if the delegate is not null

    86       if (spmd == null) {

    87           for (StatsProviderInfo spInfo : toBeRegistered) {

    88               if (spInfo.getStatsProvider() == statsProvider) {

    89                   toBeRegistered.remove(spInfo);

    90                   break;

    91               }

    92           }

    94       } else {

    95           spmd.unregister(statsProvider);

    96           return true;

    97       }

    98        return false;

    99    }

   102    public static boolean hasListeners(String probeStr) {

   103       //See if the probe has any listeners registered

   104       if (spmd == null) {

   105           return false;

   106       } else {

   107           return spmd.hasListeners(probeStr);

   108       }

   109    }

   112    public static void setStatsProviderManagerDelegate(

   113                                     StatsProviderManagerDelegate lspmd) {

   114       //System.out.println("in StatsProviderManager.setStatsProviderManagerDelegate ***********");

   115       if (lspmd == null) {

   116           //Should log and throw an exception

   117           return;

   118       }

   120       //Assign the Delegate

   121       spmd = lspmd;

   123       //System.out.println("Running through the toBeRegistered array to call register ***********");

   125       //First register the pending StatsProviderRegistryElements

   126       for (StatsProviderInfo spInfo : toBeRegistered) {

   127           spmd.register(spInfo);

   128       }

   130       //Now that you registered the pending calls, Clear the toBeRegistered store

   131       toBeRegistered.clear();

   132    }

   134    //variables

   135    static StatsProviderManagerDelegate spmd; // populate this during our initilaization process

   136    static Vector<StatsProviderInfo> toBeRegistered = new Vector();

   137 }

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