#region License Information
/* HeuristicLab
* Copyright (C) 2002-2013 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.Collections;
using System.Collections.Generic;
using System.Linq;
using HeuristicLab.Persistence.Core;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
using HeuristicLab.Persistence.Interfaces;
namespace HeuristicLab.Persistence.Default.CompositeSerializers {
[StorableClass]
internal sealed class ConcreteDictionarySerializer : ICompositeSerializer {
[StorableConstructor]
private ConcreteDictionarySerializer(bool deserializing) { }
public ConcreteDictionarySerializer() { }
public int Priority {
get { return 150; }
}
public bool CanSerialize(Type type) {
return type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Dictionary<,>);
}
public string JustifyRejection(Type type) {
return "Type is not a generic Dictionary<>";
}
public IEnumerable CreateMetaInfo(object o) {
yield return new Tag("Comparer", o.GetType().GetProperty("Comparer").GetValue(o, null));
}
public IEnumerable Decompose(object o) {
IDictionary dict = (IDictionary)o;
foreach (DictionaryEntry entry in dict) {
yield return new Tag("key", entry.Key);
yield return new Tag("value", entry.Value);
}
}
public object CreateInstance(Type t, IEnumerable metaInfo) {
return Activator.CreateInstance(t, metaInfo.First().Value);
}
public void Populate(object instance, IEnumerable o, Type t) {
IDictionary dict = (IDictionary)instance;
IEnumerator iter = o.GetEnumerator();
try {
while (iter.MoveNext()) {
Tag key = iter.Current;
iter.MoveNext();
Tag value = iter.Current;
dict.Add(key.Value, value.Value);
}
} catch (InvalidOperationException e) {
throw new PersistenceException("Dictionaries must contain an even number of elements (key+value).", e);
} catch (NotSupportedException e) {
throw new PersistenceException("The serialized dictionary type was read-only or had a fixed size and cannot be deserialized.", e);
} catch (ArgumentNullException e) {
throw new PersistenceException("Dictionary key was null.", e);
} catch (ArgumentException e) {
throw new PersistenceException("Duplicate dictionary key.", e);
}
}
}
}