org.glassfish.jersey.server.internal.monitoring.jmx.ResourcesMBeanGroup Maven / Gradle / Ivy

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A bundle project producing JAX-RS RI bundles. The primary artifact is an "all-in-one" OSGi-fied JAX-RS RI bundle (jaxrs-ri.jar). Attached to that are two compressed JAX-RS RI archives. The first archive (jaxrs-ri.zip) consists of binary RI bits and contains the API jar (under "api" directory), RI libraries (under "lib" directory) as well as all external RI dependencies (under "ext" directory). The secondary archive (jaxrs-ri-src.zip) contains buildable JAX-RS RI source bundle and contains the API jar (under "api" directory), RI sources (under "src" directory) as well as all external RI dependencies (under "ext" directory). The second archive also contains "build.xml" ANT script that builds the RI sources. To build the JAX-RS RI simply unzip the archive, cd to the created jaxrs-ri directory and invoke "ant" from the command line.

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/*
 * Copyright (c) 2013, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.glassfish.jersey.server.internal.monitoring.jmx;

import java.util.HashMap;
import java.util.Map;

import org.glassfish.jersey.server.monitoring.ResourceStatistics;

/**
 * Group of resource MXBeans.
 *
 * @author Miroslav Fuksa
 */
public class ResourcesMBeanGroup {
    private final Map exposedResourceMBeans = new HashMap<>();
    private final String parentName;
    private final boolean uriResource;
    private final MBeanExposer exposer;

    /**
     * Create a new group of MXBeans and expose nested Resource MXBeans.
     * @param resourceStatistics Resource statistics that should be exposed by nested MXBeans.
     * @param uriResource {@code true} if the resources are identified by URI (and not by java class names for example).
     * @param mBeanExposer mbean exposer.
     * @param parentName Name of the parent bean.
     */
    public ResourcesMBeanGroup(Map resourceStatistics,
                               boolean uriResource,
                               MBeanExposer mBeanExposer,
                               String parentName) {
        this.uriResource = uriResource;
        this.exposer = mBeanExposer;
        this.parentName = parentName;

        updateResourcesStatistics(resourceStatistics);
    }

    /**
     * Update the resource statistics exposed by nested resource beans.
     *
     * @param resourceStatistics New resource statistics.
     */
    public void updateResourcesStatistics(Map resourceStatistics) {
        for (Map.Entry entry : resourceStatistics.entrySet()) {
            ResourceMxBeanImpl resourceMxBean = exposedResourceMBeans.get(entry.getKey());
            if (resourceMxBean == null) {
                resourceMxBean = new ResourceMxBeanImpl(entry.getValue(), entry.getKey(), uriResource, exposer, parentName);
                exposedResourceMBeans.put(entry.getKey(), resourceMxBean);
            }
            resourceMxBean.updateResourceStatistics(entry.getValue());
        }
    }
}