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@ -1,19 +1,23 @@
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using BookAStar.Interfaces;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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namespace BookAStar
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{
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public class LocalEntity<V, K> : ObservableCollection<V> where K : IEquatable<K>
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public class LocalEntity<V, K> : ObservableCollection<V>, ILocalEntity<V, K> where K : IEquatable<K>
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{
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public V CurrentItem { get; protected set; }
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protected Func<V, K> GetKey { get; set; }
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public Func<V, K> GetKey { get; set; }
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public LocalEntity(Func<V, K> getKey) : base()
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{
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if (getKey == null) throw new InvalidOperationException();
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GetKey = getKey;
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IList<V> l = this;
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}
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public virtual void Merge(V item)
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{
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var key = GetKey(item);
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@ -29,6 +33,11 @@ namespace BookAStar
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CurrentItem = this.Single(x => GetKey(x).Equals(key));
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return CurrentItem;
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}
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public void Load()
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{
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this.Populate<V>();
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}
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}
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}
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