EntityComponent.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.Set;

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

import org.rhq.core.domain.measurement.MeasurementDataNumeric;
import org.rhq.core.domain.measurement.MeasurementReport;
import org.rhq.core.domain.measurement.MeasurementScheduleRequest;
import org.rhq.plugins.jmx.MBeanResourceComponent;

/**
 * Manages a Hibernate Entity.
 * 
 * @author Greg Hinkle
 * @author John Mazzitelli
 */
public class EntityComponent extends MBeanResourceComponent<MBeanResourceComponent<?>> {
    @Override
    protected EmsBean loadBean() {
        return getResourceContext().getParentResourceComponent().getEmsBean();
    }

    @Override
    public void getValues(MeasurementReport report, Set<MeasurementScheduleRequest> requests) {
        EmsOperation operation = getEmsBean().getOperation("getEntityStatistics");
        Object entityStatistics = operation.invoke(getResourceContext().getResourceKey());

        for (MeasurementScheduleRequest request : requests) {
            Object val = super.lookupAttributeProperty(entityStatistics, request.getName());

            report.addData(new MeasurementDataNumeric(request, ((Number) val).doubleValue()));
        }
    }
}