1 | using HeuristicLab.Common;
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2 | using HeuristicLab.Core;
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3 | using HeuristicLab.Data;
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4 | using HeuristicLab.Optimization;
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5 | using HeuristicLab.Parameters;
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6 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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7 | using System.Linq;
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8 | using HeuristicLab.BioBoost.Representation;
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9 |
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10 | namespace HeuristicLab.BioBoost.Evaluators {
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11 | [StorableClass]
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12 | public class SinkEvaluator : BioBoostEvaluator {
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13 |
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14 | #region Construction & Cloning
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15 | [StorableConstructor]
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16 | protected SinkEvaluator(bool isDeserializing) : base(isDeserializing) {}
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17 | protected SinkEvaluator(SinkEvaluator original, Cloner cloner) : base(original, cloner) { }
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18 | public SinkEvaluator() {
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19 | Parameters.Add(new ScopeParameter("Scope", "The scope to search products in."));
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20 | }
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21 | public override IDeepCloneable Clone(Cloner cloner) {
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22 | return new SinkEvaluator(this, cloner);
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23 | }
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24 | #endregion
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25 |
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26 | private static LayerDescriptor emptyLayerDescriptor = new LayerDescriptor("", "", "");
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27 |
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28 | public override IOperation Apply() {
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29 | foreach (var product in ProblemData.Products) {
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30 | InvoiceProduct(product.Label, product.Price, emptyLayerDescriptor, LayerDescriptor.DischargeCosts);
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31 | InvoiceProduct(product.Label, product.PriceAtSource, LayerDescriptor.AmountsAtSource, LayerDescriptor.TotalCostsAtSource);
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32 | InvoiceProduct(product.Label, product.PriceAtTarget, LayerDescriptor.AmountsAtTarget, LayerDescriptor.TotalCostsAtTarget);
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33 | }
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34 | return base.Apply();
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35 | }
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36 |
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37 | private void InvoiceProduct(string productName, double price, LayerDescriptor amountLayerDescriptor, LayerDescriptor costLayerDescriptor) {
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38 | var variables = ExecutionContext.Scope.Variables;
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39 | IVariable amountVariable, costsVariable;
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40 | if (!variables.TryGetValue(amountLayerDescriptor.NameWithPrefix(productName), out amountVariable)) return;
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41 | var amounts = amountVariable.Value as DoubleArray;
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42 | if (amounts == null) return;
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43 | var relativeProductionCosts = new DoubleArray(amounts.Length);
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44 | DoubleArray productionCosts = null;
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45 | if (variables.TryGetValue(costLayerDescriptor.NameWithPrefix(productName), out costsVariable)) {
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46 | productionCosts = costsVariable.Value as DoubleArray;
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47 | }
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48 | var totalCost = amounts.Sum()*-price;
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49 | var length = amounts.Length;
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50 | var costs = new DoubleArray(length);
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51 | for (int i = 0; i < length; i++) {
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52 | costs[i] = amounts[i]*-price;
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53 | if (productionCosts != null && amounts[i] != 0)
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54 | relativeProductionCosts[i] = productionCosts[i]/amounts[i];
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55 | }
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56 | if (totalCost != 0) {
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57 | AddInScope(LayerDescriptor.DischargeCosts.NameWithPrefix(productName), costs, false);
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58 | Costs.Add(new Result(costLayerDescriptor.NameWithPrefix(productName), new DoubleValue(totalCost)));
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59 | if (totalCost > 0)
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60 | AddInScope(LayerDescriptor.LocalAddedValue.Name, costs, false);
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61 | }
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62 | }
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63 | }
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64 | }
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