1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2008 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.Text;
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25 | using HeuristicLab.Core;
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26 | using HeuristicLab.Data;
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27 | using System.Threading;
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28 | using HeuristicLab.CEDMA.DB.Interfaces;
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29 | using System.ServiceModel;
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30 | using HeuristicLab.CEDMA.Core;
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31 | using HeuristicLab.Operators;
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32 |
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33 | namespace HeuristicLab.CEDMA.Operators {
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34 | public class MakeStatement : OperatorBase {
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35 | public override string Description {
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36 | get { return "TASK."; }
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37 | }
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38 |
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39 | public MakeStatement()
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40 | : base() {
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41 | AddVariableInfo(new VariableInfo("AgentId", "Id of the agent to extract injected variables from.", typeof(IntData), VariableKind.In));
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42 | AddVariableInfo(new VariableInfo("CedmaServerUri", "Uri of the CEDMA server", typeof(StringData), VariableKind.In));
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43 | AddVariableInfo(new VariableInfo("Subject", "", typeof(IItem), VariableKind.In));
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44 | AddVariableInfo(new VariableInfo("Predicate", "", typeof(IItem), VariableKind.In));
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45 | AddVariableInfo(new VariableInfo("Property", "", typeof(IItem), VariableKind.In));
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46 | }
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47 |
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48 | public override IOperation Apply(IScope scope) {
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49 | string serverUrl = GetVariableValue<StringData>("CedmaServerUri", scope, true).Data;
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50 | long agentId = GetVariableValue<IntData>("AgentId", scope, true).Data;
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51 | IItem subject = GetVariableValue<IItem>("Subject", scope, true);
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52 | IItem predicate = GetVariableValue<IItem>("Predicate", scope, true);
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53 | IItem property = GetVariableValue<IItem>("Property", scope, true);
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54 |
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55 | NetTcpBinding binding = new NetTcpBinding();
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56 | binding.MaxReceivedMessageSize = 10000000; // 10Mbytes
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57 | binding.ReaderQuotas.MaxStringContentLength = 10000000; // also 10M chars
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58 | binding.ReaderQuotas.MaxArrayLength = 10000000; // also 10M elements;
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59 | binding.Security.Mode = SecurityMode.None;
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60 | using(ChannelFactory<IDatabase> factory = new ChannelFactory<IDatabase>(binding)) {
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61 | IDatabase database = factory.CreateChannel(new EndpointAddress(serverUrl));
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62 | ItemEntry subjectEntry = new ItemEntry();
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63 | subjectEntry.Guid = subject.Guid;
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64 | subjectEntry.RawData = PersistenceManager.SaveToGZip(subject);
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65 | ItemEntry predicateEntry = new ItemEntry();
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66 | predicateEntry.Guid = predicate.Guid;
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67 | predicateEntry.RawData = PersistenceManager.SaveToGZip(predicate);
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68 | ItemEntry propertyEntry = new ItemEntry();
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69 | propertyEntry.Guid = property.Guid;
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70 | propertyEntry.RawData = PersistenceManager.SaveToGZip(property);
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71 | database.LinkItems(subjectEntry, predicateEntry, propertyEntry);
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72 | }
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73 | return null;
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74 | }
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75 |
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76 | private IVariable FindInjectedVariable(IDatabase database, string variableName, IOperatorGraph opGraph) {
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77 | foreach(IOperator op in opGraph.Operators) {
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78 | IVariable var = FindInjectedVariable(database, variableName, op);
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79 | if(var != null) return var;
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80 | }
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81 | return null;
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82 | }
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83 |
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84 | private IVariable FindInjectedVariable(IDatabase database, string variableName, IOperator op) {
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85 | IVariable var = op.GetVariable(variableName);
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86 | if(var != null) return var;
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87 | else if(op is CombinedOperator) {
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88 | var = FindInjectedVariable(database, variableName, ((CombinedOperator)op).OperatorGraph);
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89 | } else if(op is OperatorLink) {
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90 | OperatorLink link = op as OperatorLink;
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91 | OperatorEntry targetEntry = database.GetOperator(link.Id);
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92 | IOperator target = (IOperator)PersistenceManager.RestoreFromGZip(targetEntry.RawData);
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93 | OperatorLinkPatcher.LinkDatabase(target, database);
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94 | link.Operator = target;
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95 |
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96 | var = FindInjectedVariable(database, variableName, link.Operator);
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97 | }
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98 | return var;
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99 | }
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100 | }
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101 | }
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