/* ==================================================================
* PVEnergyDatum.java - Oct 28, 2014 6:26:29 AM
*
* Copyright 2007-2014 SolarNetwork.net Dev Team
*
* This program 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 of
* the License, or (at your option) any later version.
*
* 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
* ==================================================================
*/
package net.solarnetwork.node.domain;
/**
* Standardized API for photovoltaic system related energy datum to implement.
*
* @author matt
* @version 1.0
*/
public interface PVEnergyDatum extends EnergyDatum {
/**
* The {@link net.solarnetwork.domain.GeneralNodeDatumSamples} instantaneous
* sample key for {@link #getDCPower()} values.
*/
static final String DC_POWER_KEY = "dcPower";
/**
* The {@link net.solarnetwork.domain.GeneralNodeDatumSamples} instantaneous
* sample key for {@link #getDCVoltage()} values.
*/
static final String DC_VOLTAGE_KEY = "dcVoltage";
/**
* The {@link net.solarnetwork.domain.GeneralNodeDatumSamples} instantaneous
* sample key for {@link #getVoltage()} values.
*/
static final String VOLTAGE_KEY = "voltage";
/**
* Get the instantaneous DC power output, in watts.
*
* @return watts, or <em>null</em> if not available
*/
Integer getDCPower();
/**
* Get the instantaneous DC voltage output, in volts.
*
* @return DC voltage, or <em>null</em> if not available
*/
Float getDCVoltage();
/**
* Get the instantaneous AC voltage output, in volts.
*
* @return AC voltage, or <em>null</em> if not available
*/
Float getVoltage();
}