view plugins/jcmd-stats-collector/agent/src/main/java/com/redhat/thermostat/agent/jcmd/backend/internal/JCMDBackendConfiguration.java @ 2783:4e505d9ed3c7 default tip master

Start JCMD Backend only when enabled Reviewed-by: jerboaa Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2017-October/025562.html
author Elliott Baron <ebaron@redhat.com>
date Mon, 30 Oct 2017 17:27:30 -0400
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/*
 * Copyright 2012-2017 Red Hat, Inc.
 *
 * This file is part of Thermostat.
 *
 * Thermostat is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2, or (at your
 * option) any later version.
 *
 * Thermostat 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Thermostat; see the file COPYING.  If not see
 * <http://www.gnu.org/licenses/>.
 *
 * Linking this code with other modules is making a combined work
 * based on this code.  Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this code give
 * you permission to link this code with independent modules to
 * produce an executable, regardless of the license terms of these
 * independent modules, and to copy and distribute the resulting
 * executable under terms of your choice, provided that you also
 * meet, for each linked independent module, the terms and conditions
 * of the license of that module.  An independent module is a module
 * which is not derived from or based on this code.  If you modify
 * this code, you may extend this exception to your version of the
 * library, but you are not obligated to do so.  If you do not wish
 * to do so, delete this exception statement from your version.
 */

package com.redhat.thermostat.agent.jcmd.backend.internal;

import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.osgi.framework.BundleContext;

import com.redhat.thermostat.backend.BackendConfiguration;
import com.redhat.thermostat.common.config.experimental.ConfigurationInfoSource;
import com.redhat.thermostat.common.plugin.BackendConfigurationUtil;

@Component
@Service(value = BackendConfiguration.class)
public class JCMDBackendConfiguration implements BackendConfiguration {

    private static final String PLUGIN_ID = "jcmd";
    private String location;

    @Reference
    private ConfigurationInfoSource configInfoSource;

    @Override
    public boolean isEnabled() {
        BackendConfigurationUtil configuration = new BackendConfigurationUtil(configInfoSource, PLUGIN_ID);
        return configuration.isEnabled();
    }

    @Override
    public String getPluginId() {
        return PLUGIN_ID;
    }

    @Override
    public String getLocation() {
        return location;
    }

    @Activate
    public void activate(BundleContext context) {
        location = context.getBundle().getLocation();
    }
}