#region License Information
/* HeuristicLab
* Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using System;
using System.ComponentModel;
using System.Text;
using HeuristicLab.Collections;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
namespace HeuristicLab.Encodings.ScheduleEncoding {
[Item("Job", "Represents a composition of tasks that require processing in a scheduling problem.")]
[StorableClass]
public sealed class Job : Item, INotifyPropertyChanged {
[Storable(Name = "DueDate")]
private double dueDate;
public double DueDate {
get { return dueDate; }
set {
if (dueDate == value) return;
dueDate = value;
OnPropertyChanged("DueDate");
OnToStringChanged();
}
}
[Storable(Name = "Index")]
private int index;
public int Index {
get { return index; }
set {
if (index == value) return;
index = value;
OnPropertyChanged("Index");
OnToStringChanged();
}
}
[Storable(Name = "Tasks")]
private ItemList tasks;
public ItemList Tasks {
get { return tasks; }
private set {
tasks = value;
OnPropertyChanged("Tasks");
}
}
[StorableConstructor]
private Job(bool deserializing) : base(deserializing) { }
private Job(Job original, Cloner cloner)
: base(original, cloner) {
this.dueDate = original.DueDate;
this.index = original.Index;
this.tasks = cloner.Clone(original.Tasks);
RegisterEventHandlers();
}
public Job() : this(-1, double.MaxValue) { }
public Job(int index, double dueDate)
: base() {
this.dueDate = dueDate;
this.index = index;
this.tasks = new ItemList();
RegisterEventHandlers();
}
public override IDeepCloneable Clone(Cloner cloner) {
return new Job(this, cloner);
}
[StorableHook(HookType.AfterDeserialization)]
private void AfterDeserialization() {
RegisterEventHandlers();
}
private void RegisterEventHandlers() {
Tasks.ItemsAdded += TasksOnItemsChanged;
Tasks.ItemsRemoved += TasksOnItemsRemoved;
Tasks.ItemsReplaced += TasksOnItemsChanged;
Tasks.CollectionReset += TasksOnItemsChanged;
foreach (var task in Tasks) {
task.PropertyChanged += TaskOnPropertyChanged;
task.ToStringChanged += TaskOnToStringChanged;
}
}
private void TasksOnItemsChanged(object sender, CollectionItemsChangedEventArgs> e) {
foreach (var task in e.OldItems) {
task.Value.PropertyChanged -= TaskOnPropertyChanged;
task.Value.ToStringChanged -= TaskOnToStringChanged;
}
foreach (var task in e.Items) {
task.Value.PropertyChanged += TaskOnPropertyChanged;
task.Value.ToStringChanged += TaskOnToStringChanged;
}
OnTasksChanged();
OnToStringChanged();
}
private void TasksOnItemsRemoved(object sender, CollectionItemsChangedEventArgs> e) {
foreach (var task in e.Items) {
task.Value.PropertyChanged -= TaskOnPropertyChanged;
task.Value.ToStringChanged -= TaskOnToStringChanged;
}
OnTasksChanged();
OnToStringChanged();
}
private void TaskOnPropertyChanged(object sender, EventArgs e) {
OnTasksChanged();
}
private void TaskOnToStringChanged(object sender, EventArgs e) {
OnToStringChanged();
}
public override string ToString() {
var sb = new StringBuilder();
sb.Append("Job#" + Index + " [ ");
foreach (Task t in Tasks) {
sb.Append(t + " ");
}
sb.Append("{" + DueDate + "} ");
sb.Append("]");
return sb.ToString();
}
public event EventHandler TasksChanged;
private void OnTasksChanged() {
var handler = TasksChanged;
if (handler != null) handler(this, EventArgs.Empty);
}
public event PropertyChangedEventHandler PropertyChanged;
private void OnPropertyChanged(string propertyName) {
var handler = PropertyChanged;
if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
}
}
}