Java tutorial
/******************************************************************************* * Copyright 2012 the original author or authors. * * 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. ******************************************************************************/ package emlab.role.market; import java.util.HashMap; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.transaction.annotation.Transactional; import agentspring.role.Role; import agentspring.role.RoleComponent; import emlab.domain.agent.EnergyProducer; import emlab.domain.market.Bid; import emlab.domain.market.CommodityMarket; import emlab.domain.technology.PowerPlant; import emlab.domain.technology.Substance; import emlab.domain.technology.SubstanceShareInFuelMix; import emlab.repository.Reps; import emlab.role.AbstractEnergyProducerRole; /** * {@link EnergyProducer}s submit bids to the {@link CommodityMarket}. They buy fuel needed to fuel their {@link PowerPlant}s. Interesting twist with co-combustion and multiple fuels * * @author <a href="mailto:E.J.L.Chappin@tudelft.nl">Emile Chappin</a> @author <a href="mailto:A.Chmieliauskas@tudelft.nl">Alfredas Chmieliauskas</a> * */ @RoleComponent public class SubmitBidsToCommodityMarketRole extends AbstractEnergyProducerRole implements Role<EnergyProducer> { @Autowired Reps reps; @Override public Reps getReps() { return reps; } @Transactional public void act(EnergyProducer producer) { logger.info("Purchasing commodities"); HashMap<Substance, Double> fuelAmounts = new HashMap<Substance, Double>(); for (PowerPlant plant : reps.powerPlantRepository.findOperationalPowerPlantsByOwner(producer, getCurrentTick())) { double totalSupply = plant.calculateElectricityOutputAtTime(getCurrentTick()); for (SubstanceShareInFuelMix share : plant.getFuelMix()) { double amount = share.getShare() * totalSupply; Substance substance = share.getSubstance(); // already in? Than add to total if (fuelAmounts.containsKey(substance)) { amount += fuelAmounts.get(substance); } fuelAmounts.put(substance, amount); } } for (Substance substance : fuelAmounts.keySet()) { // find the totals and the right market. Place one bid for each // substance (fuel) if (!fuelAmounts.get(substance).isNaN() && fuelAmounts.get(substance) > 0) { Bid bid = reps.nonTransactionalCreateRepository.submitBidToMarket( reps.marketRepository.findFirstMarketBySubstance(substance), producer, getCurrentTick(), false, Double.MAX_VALUE, fuelAmounts.get(substance)); logger.info("Submited bid " + bid); } } } }