[6357] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2010 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.Diagnostics;
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| 25 | using System.Threading;
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| 26 | using HeuristicLab.Common;
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| 27 | using HeuristicLab.Core;
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| 28 | using HeuristicLab.Hive;
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| 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 30 |
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| 31 | namespace HeuristicLab.Clients.Hive.Slave.Tests {
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| 32 | [Item("Mock Job", "Represents mocked Job which just SpinWaits.")]
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| 33 | [StorableClass]
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| 34 | public class MockJob : NamedItem, IJob {
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| 35 | public bool IsParallelizable {
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| 36 | get { return true; }
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| 37 | }
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| 38 |
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| 39 | public bool ComputeInParallel {
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| 40 | get { return true; }
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| 41 | set { throw new NotImplementedException(); }
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| 42 | }
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| 43 |
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| 44 | public bool CollectChildJobs {
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| 45 | get { return false; }
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| 46 | set { throw new NotImplementedException(); }
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| 47 | }
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| 48 |
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| 49 | [Storable]
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| 50 | private ExecutionState executionState;
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| 51 | public virtual ExecutionState ExecutionState {
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| 52 | get { return executionState; }
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| 53 | set {
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| 54 | if (executionState != value) {
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| 55 | this.executionState = value;
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| 56 | OnExecutionStateChanged();
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| 57 | }
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| 58 | }
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| 59 | }
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| 60 |
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| 61 | [Storable]
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| 62 | private TimeSpan executionTime;
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| 63 | public TimeSpan ExecutionTime {
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| 64 | get { return executionTime; }
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| 65 | set {
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| 66 | if (executionTime != value) {
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| 67 | executionTime = value;
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| 68 | OnExecutionTimeChanged();
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| 69 | }
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| 70 | }
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| 71 | }
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| 72 |
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| 73 | [Storable]
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| 74 | private int ms = 1000; //ms
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| 75 |
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| 76 | [Storable]
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| 77 | private bool spinWait;
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| 78 |
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| 79 | private bool failRequested = false;
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| 80 | private bool pauseRequested = false;
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| 81 | private bool stopRequested = false;
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| 82 |
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| 83 | public MockJob(int ms, bool spinWait) {
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| 84 | this.ms = ms;
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| 85 | this.spinWait = spinWait;
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| 86 | }
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| 87 | public MockJob() { }
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| 88 | [StorableConstructor]
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| 89 | protected MockJob(bool deserializing) { }
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| 90 | protected MockJob(MockJob original, Cloner cloner)
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| 91 | : base(original, cloner) {
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| 92 | this.ExecutionTime = original.executionTime;
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| 93 | this.ExecutionState = original.executionState;
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| 94 | this.ms = original.ms;
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| 95 | this.spinWait = original.spinWait;
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| 96 | }
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| 97 | public override IDeepCloneable Clone(Cloner cloner) {
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| 98 | return new MockJob(this, cloner);
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| 99 | }
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| 100 |
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| 101 | public virtual void Prepare() {
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| 102 | this.ExecutionState = HeuristicLab.Core.ExecutionState.Prepared;
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| 103 | }
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| 104 |
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| 105 | public virtual void Start() {
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| 106 | new Thread(Run).Start();
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| 107 | }
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| 108 |
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| 109 | private void Run() {
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| 110 | try {
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| 111 | OnJobStarted();
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| 112 |
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| 113 | Stopwatch watch = new Stopwatch();
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| 114 | watch.Start();
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| 115 | while (!stopRequested && !pauseRequested && !failRequested && watch.ElapsedMilliseconds < ms) {
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| 116 | if (spinWait) {
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| 117 | Thread.SpinWait(100);
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| 118 | this.ExecutionTime = watch.Elapsed;
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| 119 | } else {
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| 120 | Thread.Sleep(100);
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| 121 | this.ExecutionTime = watch.Elapsed;
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| 122 | }
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| 123 | }
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| 124 |
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| 125 | if (failRequested) {
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| 126 | ExecutionState = ExecutionState.Stopped;
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| 127 | OnJobFailed(new Exception("A mock exception!"));
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| 128 | } else if (pauseRequested) {
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| 129 | this.ExecutionState = ExecutionState.Paused;
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| 130 | OnJobPaused();
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| 131 | } else if (stopRequested) {
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| 132 | ExecutionState = ExecutionState.Stopped;
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| 133 | OnJobStopped();
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| 134 | } else {
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| 135 | Stop();
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| 136 | OnJobStopped();
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| 137 | }
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| 138 | }
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| 139 | catch (ThreadAbortException) {
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| 140 | //this happens when the appdomain is killed (e.g. abort from server)
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| 141 | Stop();
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| 142 | }
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| 143 | catch (Exception e) {
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| 144 | this.ExecutionState = ExecutionState.Stopped;
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| 145 | OnJobFailed(e);
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| 146 | }
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| 147 | }
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| 148 |
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| 149 | public virtual void Pause() {
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| 150 | pauseRequested = true;
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| 151 | }
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| 152 |
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| 153 | public virtual void Stop() {
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| 154 | stopRequested = true;
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| 155 | }
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| 156 |
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| 157 | public void Fail() {
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| 158 | failRequested = true;
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| 159 | }
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| 160 |
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| 161 | public virtual void Resume(IEnumerable<IJob> childJobs) {
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| 162 | throw new NotImplementedException();
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| 163 | }
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| 164 |
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| 165 | #region Events
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| 166 | public event EventHandler<EventArgs<IJob>> NewChildJob;
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| 167 | protected virtual void OnNewChildJob(IJob job) {
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| 168 | EventHandler<EventArgs<IJob>> handler = NewChildJob;
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| 169 | if (handler != null) handler(this, new EventArgs<IJob>(job));
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| 170 | }
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| 171 |
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| 172 | public event EventHandler WaitForChildJobs;
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| 173 | protected virtual void OnWaitForChildJobs() {
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| 174 | EventHandler handler = WaitForChildJobs;
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| 175 | if (handler != null) handler(this, EventArgs.Empty);
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| 176 | }
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| 177 |
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| 178 | public event EventHandler DeleteChildJobs;
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| 179 | protected virtual void OnDeleteChildJobs() {
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| 180 | EventHandler handler = DeleteChildJobs;
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| 181 | if (handler != null) handler(this, EventArgs.Empty);
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| 182 | }
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| 183 |
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| 184 | public event EventHandler ComputeInParallelChanged;
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| 185 | protected virtual void OnComputeInParallelChanged() {
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| 186 | EventHandler handler = ComputeInParallelChanged;
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| 187 | if (handler != null) handler(this, EventArgs.Empty);
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| 188 | }
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| 189 |
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| 190 | public event EventHandler ExecutionTimeChanged;
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| 191 | protected virtual void OnExecutionTimeChanged() {
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| 192 | EventHandler handler = ExecutionTimeChanged;
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| 193 | if (handler != null) handler(this, EventArgs.Empty);
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| 194 | }
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| 195 |
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| 196 | public event EventHandler ExecutionStateChanged;
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| 197 | protected virtual void OnExecutionStateChanged() {
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| 198 | EventHandler handler = ExecutionStateChanged;
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| 199 | if (handler != null) handler(this, EventArgs.Empty);
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| 200 | }
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| 201 |
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| 202 | public event EventHandler JobStarted;
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| 203 | protected virtual void OnJobStarted() {
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| 204 | EventHandler handler = JobStarted;
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| 205 | if (handler != null) handler(this, EventArgs.Empty);
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| 206 | }
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| 207 |
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| 208 | public event EventHandler JobFailed;
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| 209 | protected virtual void OnJobFailed(Exception e) {
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| 210 | EventHandler handler = JobFailed;
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| 211 | EventArgs<Exception> ev = new EventArgs<Exception>(e);
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| 212 | if (handler != null) handler(this, ev);
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| 213 | }
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| 214 |
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| 215 | public event EventHandler JobStopped;
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| 216 | protected virtual void OnJobStopped() {
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| 217 | EventHandler handler = JobStopped;
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| 218 | if (handler != null) handler(this, EventArgs.Empty);
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| 219 | }
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| 220 |
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| 221 | public event EventHandler JobPaused;
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| 222 | protected virtual void OnJobPaused() {
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| 223 | EventHandler handler = JobPaused;
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| 224 | if (handler != null) handler(this, EventArgs.Empty);
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| 225 | }
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| 226 | #endregion
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| 227 | }
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| 228 | }
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