EntityDiscoveryComponent.java

/*
 * Jopr Management Platform
 * Copyright (C) 2005-2008 Red Hat, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2, as
 * published by the Free Software Foundation, and/or the GNU Lesser
 * General Public License, version 2.1, also as published by the Free
 * Software Foundation.
 *
 * This program 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 and the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License
 * and the GNU Lesser General Public License along with this program;
 * if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.rhq.plugins.hibernate;

import java.util.HashSet;
import java.util.Set;

import org.mc4j.ems.connection.bean.EmsBean;

import org.rhq.core.pluginapi.inventory.DiscoveredResourceDetails;
import org.rhq.core.pluginapi.inventory.ResourceDiscoveryComponent;
import org.rhq.core.pluginapi.inventory.ResourceDiscoveryContext;
import org.rhq.plugins.jmx.MBeanResourceComponent;

/**
 * Discovers hibernate entities from a hibernate stats mbean
 *
 * @author Greg Hinkle
 */
public class EntityDiscoveryComponent implements ResourceDiscoveryComponent<MBeanResourceComponent<?>> {
    public Set<DiscoveredResourceDetails> discoverResources(ResourceDiscoveryContext<MBeanResourceComponent<?>> context) {
        Set<DiscoveredResourceDetails> entities = new HashSet<DiscoveredResourceDetails>();

        EmsBean statsBean = context.getParentResourceComponent().getEmsBean();

        String[] entityNames = (String[]) statsBean.getAttribute("EntityNames").refresh();

        for (String entityName : entityNames) {
            DiscoveredResourceDetails detail = new DiscoveredResourceDetails(context.getResourceType(), entityName,
                entityName, null, "Hibernate Entity", null, null);
            entities.add(detail);
        }

        return entities;
    }
}