PowerMonitoringCapability.java

package org.opennaas.extensions.power.capabilities;

/*
 * #%L
 * OpenNaaS :: Power :: Capabilities
 * %%
 * Copyright (C) 2007 - 2014 Fundació Privada i2CAT, Internet i Innovació a Catalunya
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import java.util.Date;

import org.opennaas.core.resources.descriptor.CapabilityDescriptor;
import org.opennaas.extensions.gim.controller.capabilities.IPowerMonitoringController;
import org.opennaas.extensions.gim.model.load.MeasuredLoad;
import org.opennaas.extensions.gim.model.log.PowerMonitorLog;
import org.opennaas.extensions.power.capabilities.driver.ConsumerDriverInstantiator;

public class PowerMonitoringCapability extends AbstractPowerConsumerCapability implements IPowerMonitoringCapability {

	public static String				CAPABILITY_TYPE	= "consumer_pw_mon";

	private String						resourceId		= "";

	private IPowerMonitoringController	driver;

	public PowerMonitoringCapability(CapabilityDescriptor descriptor, String resourceId) {
		super(descriptor);
		this.resourceId = resourceId;
	}

	@Override
	public String getCapabilityName() {
		return CAPABILITY_TYPE;
	}

	@Override
	public MeasuredLoad getCurrentPowerMetrics() throws Exception {
		return getDriver().getCurrentPowerMetrics();
	}

	@Override
	public PowerMonitorLog getPowerMetricsByTimeRange(Date from, Date to)
			throws Exception {
		return getDriver().getPowerMetricsByTimeRange(from, to);
	}

	private IPowerMonitoringController getDriver() throws Exception {
		// FIXME CAPABILITY SHOULD NOT INSTANTIATE IT'S OWN DRIVER.
		if (driver == null)
			driver = instantiateDriver();

		return driver;
	}

	// FIXME CAPABILITY SHOULD NOT INSTANTIATE IT'S OWN DRIVER.
	private IPowerMonitoringController instantiateDriver() throws Exception {

		// FIXME PDUDriverInstantiator should be unknown for the capability
		// capability should take the driver from an OSGI service.
		return (IPowerMonitoringController) ConsumerDriverInstantiator.create(resourceId, getPowernetId(), consumerId, descriptor);
	}

	@Override
	public void resyncModel() throws Exception {
		// Nothing to do
	}

}