1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Collections.Generic;
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24 | using System.Linq;
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25 | using System.Linq.Expressions;
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26 | using HeuristicLab.Services.OKB.DataAccess;
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27 |
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28 | namespace HeuristicLab.Services.OKB.Query.Filters {
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29 | public class AndFilter : IFilter {
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30 | public List<IFilter> Filters { get; private set; }
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31 |
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32 | public Expression<Func<Run, bool>> Expression {
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33 | get {
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34 | ParameterExpression parameter = System.Linq.Expressions.Expression.Parameter(typeof(Run));
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35 | Expression expr = System.Linq.Expressions.Expression.Constant(true);
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36 | foreach (IFilter filter in Filters)
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37 | expr = System.Linq.Expressions.Expression.AndAlso(expr, System.Linq.Expressions.Expression.Invoke(filter.Expression, parameter));
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38 | return System.Linq.Expressions.Expression.Lambda<Func<Run, bool>>(expr, parameter);
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39 | }
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40 | }
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41 |
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42 | public AndFilter(IEnumerable<IFilter> filters) {
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43 | Filters = new List<IFilter>(filters);
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44 | }
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45 | public AndFilter(DataTransfer.CombinedFilter filter) {
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46 | Filters = new List<IFilter>(filter.Filters.Select(x => (IFilter)Activator.CreateInstance(Type.GetType(x.FilterTypeName), x)));
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47 | }
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48 | }
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49 | }
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