| /* |
| * Copyright (c) 2009, 2010, 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| |
| |
| package com.sun.org.glassfish.external.probe.provider; |
| |
| import java.util.Vector; |
| |
| /** |
| * |
| * @author abbagani |
| */ |
| public class StatsProviderManager { |
| |
| private StatsProviderManager(){ |
| } |
| |
| |
| public static boolean register(String configElement, PluginPoint pp, |
| String subTreeRoot, Object statsProvider) { |
| return (register(pp, configElement, subTreeRoot, statsProvider, null)); |
| } |
| |
| public static boolean register(PluginPoint pp, String configElement, |
| String subTreeRoot, Object statsProvider, |
| String invokerId) { |
| StatsProviderInfo spInfo = |
| new StatsProviderInfo(configElement, pp, subTreeRoot, statsProvider, invokerId); |
| |
| return registerStatsProvider(spInfo); |
| } |
| |
| public static boolean register(String configElement, PluginPoint pp, |
| String subTreeRoot, Object statsProvider, |
| String configLevelStr) { |
| return(register(configElement, pp, subTreeRoot, statsProvider, configLevelStr, null)); |
| } |
| |
| public static boolean register(String configElement, PluginPoint pp, |
| String subTreeRoot, Object statsProvider, |
| String configLevelStr, String invokerId) { |
| StatsProviderInfo spInfo = |
| new StatsProviderInfo(configElement, pp, subTreeRoot, statsProvider, invokerId); |
| spInfo.setConfigLevel(configLevelStr); |
| |
| return registerStatsProvider(spInfo); |
| } |
| |
| private static boolean registerStatsProvider(StatsProviderInfo spInfo) { |
| //Ideally want to start this in a thread, so we can reduce the startup time |
| if (spmd == null) { |
| //Make an entry into the toBeRegistered map |
| toBeRegistered.add(spInfo); |
| } else { |
| spmd.register(spInfo); |
| return true; |
| } |
| return false; |
| } |
| |
| public static boolean unregister(Object statsProvider) { |
| //Unregister the statsProvider if the delegate is not null |
| if (spmd == null) { |
| for (StatsProviderInfo spInfo : toBeRegistered) { |
| if (spInfo.getStatsProvider() == statsProvider) { |
| toBeRegistered.remove(spInfo); |
| break; |
| } |
| } |
| |
| } else { |
| spmd.unregister(statsProvider); |
| return true; |
| } |
| return false; |
| } |
| |
| |
| public static boolean hasListeners(String probeStr) { |
| //See if the probe has any listeners registered |
| if (spmd == null) { |
| return false; |
| } else { |
| return spmd.hasListeners(probeStr); |
| } |
| } |
| |
| |
| public static void setStatsProviderManagerDelegate( |
| StatsProviderManagerDelegate lspmd) { |
| //System.out.println("in StatsProviderManager.setStatsProviderManagerDelegate ***********"); |
| if (lspmd == null) { |
| //Should log and throw an exception |
| return; |
| } |
| |
| //Assign the Delegate |
| spmd = lspmd; |
| |
| //System.out.println("Running through the toBeRegistered array to call register ***********"); |
| |
| //First register the pending StatsProviderRegistryElements |
| for (StatsProviderInfo spInfo : toBeRegistered) { |
| spmd.register(spInfo); |
| } |
| |
| //Now that you registered the pending calls, Clear the toBeRegistered store |
| toBeRegistered.clear(); |
| } |
| |
| //variables |
| static StatsProviderManagerDelegate spmd; // populate this during our initilaization process |
| static Vector<StatsProviderInfo> toBeRegistered = new Vector(); |
| } |