[1454] | 1 | using System;
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| 2 | using System.Collections;
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| 3 | using System.Reflection;
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| 4 | using HeuristicLab.Persistence.Core;
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| 5 | using HeuristicLab.Persistence.Interfaces;
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| 6 | using System.Collections.Generic;
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[1823] | 7 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[1705] | 8 | using HeuristicLab.Persistence.Auxiliary;
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[1454] | 9 |
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[1823] | 10 | namespace HeuristicLab.Persistence.Default.CompositeSerializers {
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[1454] | 11 |
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[1563] | 12 | [EmptyStorableClass]
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[1823] | 13 | public class EnumerableSerializer : ICompositeSerializer {
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[1454] | 14 |
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[1539] | 15 | public int Priority {
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| 16 | get { return 100; }
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| 17 | }
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| 18 |
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| 19 |
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[1823] | 20 | public bool CanSerialize(Type type) {
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[1454] | 21 | return
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[1705] | 22 | ReflectionTools.HasDefaultConstructor(type) &&
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[1454] | 23 | type.GetInterface(typeof(IEnumerable).FullName) != null &&
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| 24 | type.GetMethod("Add") != null &&
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[1790] | 25 | type.GetMethod("Add").GetParameters().Length == 1;
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[1454] | 26 | }
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| 27 |
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[2993] | 28 | public string JustifyRejection(Type type) {
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| 29 | if (!ReflectionTools.HasDefaultConstructor(type))
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| 30 | return "no default constructor";
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| 31 | if (type.GetInterface(typeof(IEnumerable).FullName) == null)
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| 32 | return "interface IEnumerable not implemented";
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| 33 | if (type.GetMethod("Add") == null)
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| 34 | return "no 'Add()' method";
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| 35 | return "no 'Add()' method with one argument";
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| 36 | }
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| 37 |
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[1553] | 38 | public IEnumerable<Tag> CreateMetaInfo(object o) {
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| 39 | return new Tag[] { };
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| 40 | }
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| 41 |
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[1542] | 42 | public IEnumerable<Tag> Decompose(object obj) {
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[1454] | 43 | foreach (object o in (IEnumerable)obj) {
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[1790] | 44 | yield return new Tag(o);
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[1454] | 45 | }
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| 46 | }
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| 47 |
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[1553] | 48 | public object CreateInstance(Type type, IEnumerable<Tag> metaInfo) {
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[1454] | 49 | return Activator.CreateInstance(type, true);
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| 50 | }
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| 51 |
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[1553] | 52 | public void Populate(object instance, IEnumerable<Tag> tags, Type type) {
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[1454] | 53 | MethodInfo addMethod = type.GetMethod("Add");
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[1625] | 54 | try {
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| 55 | foreach (var tag in tags)
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| 56 | addMethod.Invoke(instance, new[] { tag.Value });
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| 57 | } catch (Exception e) {
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| 58 | throw new PersistenceException("Exception caught while trying to populate enumerable.", e);
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| 59 | }
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[1454] | 60 | }
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[1553] | 61 | }
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[1790] | 62 | } |
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