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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 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
 * https://glassfish.dev.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:
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 */

package org.glassfish.web.admin.monitor;

import java.security.Principal;
import org.glassfish.external.probe.provider.annotations.Probe;
import org.glassfish.external.probe.provider.annotations.ProbeParam;
import org.glassfish.external.probe.provider.annotations.ProbeProvider;

/**
 * Provider interface for servlet related probes.
 */
@ProbeProvider(moduleProviderName="glassfish", moduleName="web", probeProviderName="servlet")
public class ServletProbeProvider {

    /**
     * Emits notification that a servlet has been initialized.
     *
     * @param servletName the name of the servlet that was initialized
     * @param appName the name of the app to which the servlet belongs
     * @param hostName the name of the virtual server on which the app has 
     * been deployed
     */
    @Probe(name="servletInitializedEvent")
    public void servletInitializedEvent(
        @ProbeParam("servletName") String servletName,
        @ProbeParam("appName") String appName,
        @ProbeParam("hostName") String hostName) {}

    /**
     * Emits notification that a servlet has been destroyed.
     *
     * @param servletName the name of the servlet that was destroyed
     * @param appName the name of the app to which the servlet belongs
     * @param hostName the name of the virtual server on which the app has 
     * been deployed
     */
    @Probe(name="servletDestroyedEvent")
    public void servletDestroyedEvent(
        @ProbeParam("servletName") String servletName,
        @ProbeParam("appName") String appName,
        @ProbeParam("hostName") String hostName) {}

    /**
     * Emits notification that a servlet is about to enter its service
     * method.
     *
     * @param servletName the name of the servlet
     * @param appName the name of the app to which the servlet belongs
     * @param hostName the name of the virtual server on which the app has 
     * been deployed
     */
    @Probe(name="beforeServiceEvent")
    public void beforeServiceEvent(
        @ProbeParam("servletName") String servletName,
        @ProbeParam("appName") String appName,
        @ProbeParam("hostName") String hostName) {}

    /**
     * Emits notification that a servlet has returned from its service
     * method.
     *
     * @param servletName the name of the servlet
     * @param responseStatus the response status
     * @param appName the name of the app to which the servlet belongs
     * @param hostName the name of the virtual server on which the app has 
     * been deployed
     */
    @Probe(name="afterServiceEvent")
    public void afterServiceEvent(
        @ProbeParam("servletName") String servletName,
        @ProbeParam("responseStatus") int responseStatus,
        @ProbeParam("appName") String appName,
        @ProbeParam("hostName") String hostName) {}
}