[8055] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[15584] | 3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[8055] | 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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[15055] | 24 | using System.IO;
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[8055] | 25 | using System.Linq;
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[15261] | 26 | using System.ServiceModel;
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[8055] | 27 | using HeuristicLab.Clients.Common;
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| 28 | using HeuristicLab.Common;
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| 29 | using HeuristicLab.Core;
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[15055] | 30 | using HeuristicLab.Persistence.Default.Xml;
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[8055] | 31 |
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| 32 | namespace HeuristicLab.Clients.OKB.Query {
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| 33 | [Item("QueryClient", "OKB query client.")]
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| 34 | public sealed class QueryClient : IContent {
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| 35 | private static QueryClient instance;
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| 36 | public static QueryClient Instance {
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| 37 | get {
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| 38 | if (instance == null) instance = new QueryClient();
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| 39 | return instance;
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| 40 | }
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| 41 | }
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| 42 |
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[15261] | 43 | private int endpointRetries;
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| 44 | private string workingEndpoint;
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| 45 |
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[8055] | 46 | #region Properties
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| 47 | private List<Filter> filters;
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| 48 | public IEnumerable<Filter> Filters {
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| 49 | get { return filters; }
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| 50 | }
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| 51 | private List<ValueName> valueNames;
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| 52 | public IEnumerable<ValueName> ValueNames {
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| 53 | get { return valueNames; }
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| 54 | }
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| 55 | #endregion
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| 56 |
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| 57 | private QueryClient() {
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| 58 | filters = new List<Filter>();
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| 59 | valueNames = new List<ValueName>();
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| 60 | }
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| 61 |
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| 62 | #region Refresh
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| 63 | public void Refresh() {
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| 64 | OnRefreshing();
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| 65 | filters = new List<Filter>();
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| 66 | try {
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| 67 | filters.AddRange(CallQueryService<List<Filter>>(s => s.GetFilters()));
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| 68 | valueNames.AddRange(CallQueryService<List<ValueName>>(s => s.GetValueNames()));
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[15055] | 69 | } finally {
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[8055] | 70 | OnRefreshed();
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| 71 | }
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| 72 | }
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| 73 | public void RefreshAsync(Action<Exception> exceptionCallback) {
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[15261] | 74 | var call = new Func<Exception>(delegate () {
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[8055] | 75 | try {
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| 76 | Refresh();
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[15055] | 77 | } catch (Exception ex) {
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[8055] | 78 | return ex;
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| 79 | }
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| 80 | return null;
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| 81 | });
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[15261] | 82 | call.BeginInvoke(delegate (IAsyncResult result) {
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[8055] | 83 | Exception ex = call.EndInvoke(result);
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| 84 | if (ex != null) exceptionCallback(ex);
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| 85 | }, null);
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| 86 | }
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| 87 | #endregion
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| 88 |
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| 89 | #region Query Methods
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| 90 | public long GetNumberOfRuns(Filter filter) {
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| 91 | return CallQueryService<long>(x => x.GetNumberOfRuns(filter));
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| 92 | }
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| 93 | public IEnumerable<long> GetRunIds(Filter filter) {
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| 94 | return CallQueryService<IEnumerable<long>>(x => x.GetRunIds(filter));
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| 95 | }
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| 96 | public IEnumerable<Run> GetRuns(IEnumerable<long> ids, bool includeBinaryValues) {
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| 97 | return CallQueryService<IEnumerable<Run>>(s => s.GetRuns(ids.ToList(), includeBinaryValues));
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| 98 | }
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| 99 | public IEnumerable<Run> GetRunsWithValues(IEnumerable<long> ids, bool includeBinaryValues, IEnumerable<ValueName> vn) {
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| 100 | return CallQueryService<IEnumerable<Run>>(s => s.GetRunsWithValues(ids.ToList(), includeBinaryValues, vn.ToList()));
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| 101 | }
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| 102 | #endregion
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| 103 |
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[15055] | 104 | #region OKB-Item Conversion
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| 105 | public Optimization.IRun ConvertToOptimizationRun(Run run) {
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| 106 | Optimization.Run optRun = new Optimization.Run();
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| 107 | foreach (Value value in run.ParameterValues)
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| 108 | optRun.Parameters.Add(value.Name, ConvertToItem(value));
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| 109 | foreach (Value value in run.ResultValues)
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| 110 | optRun.Results.Add(value.Name, ConvertToItem(value));
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| 111 | return optRun;
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| 112 | }
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| 113 |
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| 114 | public IItem ConvertToItem(Value value) {
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| 115 | if (value is BinaryValue) {
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| 116 | IItem item = null;
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| 117 | var binaryValue = (BinaryValue)value;
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| 118 | if (binaryValue.Value != null) {
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| 119 | using (var stream = new MemoryStream(binaryValue.Value)) {
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| 120 | try {
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| 121 | item = XmlParser.Deserialize<IItem>(stream);
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| 122 | } catch (Exception) { }
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| 123 | stream.Close();
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| 124 | }
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| 125 | }
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| 126 | return item ?? new Data.StringValue(value.DataType.Name);
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| 127 | } else if (value is BoolValue) {
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| 128 | return new Data.BoolValue(((BoolValue)value).Value);
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| 129 | } else if (value is FloatValue) {
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| 130 | return new Data.DoubleValue(((FloatValue)value).Value);
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| 131 | } else if (value is PercentValue) {
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| 132 | return new Data.PercentValue(((PercentValue)value).Value);
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| 133 | } else if (value is DoubleValue) {
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| 134 | return new Data.DoubleValue(((DoubleValue)value).Value);
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| 135 | } else if (value is IntValue) {
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| 136 | return new Data.IntValue((int)((IntValue)value).Value);
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| 137 | } else if (value is LongValue) {
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| 138 | return new Data.IntValue((int)((LongValue)value).Value);
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| 139 | } else if (value is StringValue) {
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| 140 | return new Data.StringValue(((StringValue)value).Value);
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| 141 | } else if (value is TimeSpanValue) {
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| 142 | return new Data.TimeSpanValue(TimeSpan.FromSeconds((long)((TimeSpanValue)value).Value));
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| 143 | }
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| 144 | return null;
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| 145 | }
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| 146 | #endregion
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| 147 |
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[8055] | 148 | #region Events
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| 149 | public event EventHandler Refreshing;
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| 150 | private void OnRefreshing() {
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| 151 | EventHandler handler = Refreshing;
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| 152 | if (handler != null) handler(this, EventArgs.Empty);
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| 153 | }
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| 154 | public event EventHandler Refreshed;
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| 155 | private void OnRefreshed() {
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| 156 | EventHandler handler = Refreshed;
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| 157 | if (handler != null) handler(this, EventArgs.Empty);
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| 158 | }
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| 159 | #endregion
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| 160 |
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| 161 | #region Helpers
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[15261] | 162 | private QueryServiceClient NewServiceClient() {
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| 163 | if (endpointRetries >= Properties.Settings.Default.MaxEndpointRetries)
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| 164 | return CreateClient(workingEndpoint);
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| 165 |
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| 166 | var configurations = Properties.Settings.Default.EndpointConfigurationPriorities;
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| 167 | Exception exception = null;
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| 168 |
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| 169 | foreach (var endpointConfigurationName in configurations) {
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| 170 | try {
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| 171 | var cl = CreateClient(endpointConfigurationName);
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| 172 | cl.Open();
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| 173 | workingEndpoint = endpointConfigurationName;
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| 174 | return cl;
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| 175 | } catch (EndpointNotFoundException e) {
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| 176 | exception = e;
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| 177 | ++endpointRetries;
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| 178 | }
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| 179 | }
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| 180 |
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| 181 | throw exception ?? new EndpointNotFoundException("No endpoint for Query service found.");
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| 182 | }
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| 183 |
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| 184 | private QueryServiceClient CreateClient(string endpointConfigurationName) {
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| 185 | var cl = ClientFactory.CreateClient<QueryServiceClient, IQueryService>(endpointConfigurationName);
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| 186 | return cl;
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| 187 | }
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| 188 |
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[8055] | 189 | private T CallQueryService<T>(Func<IQueryService, T> call) {
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[15261] | 190 | QueryServiceClient client = NewServiceClient();
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| 191 |
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[8055] | 192 | try {
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| 193 | return call(client);
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[15055] | 194 | } finally {
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[8055] | 195 | try {
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| 196 | client.Close();
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[15055] | 197 | } catch (Exception) {
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[8055] | 198 | client.Abort();
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| 199 | }
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| 200 | }
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| 201 | }
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| 202 | #endregion
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| 203 | }
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| 204 | }
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