76 lines
2.1 KiB
C#
76 lines
2.1 KiB
C#
//
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// AbstractWorkList.cs
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//
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// Authors:
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// Alexander Chebaturkin (chebaturkin@gmail.com)
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//
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// Copyright (C) 2011 Alexander Chebaturkin
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Collections.Generic;
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namespace Mono.CodeContracts.Static.DataStructures {
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abstract class AbstractWorkList<T> : IWorkList<T> {
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protected HashSet<T> Elements = new HashSet<T> ();
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protected abstract IEnumerable<T> Collection { get; }
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public int Count
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{
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get { return this.Elements.Count; }
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}
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protected abstract void AddToCollection (T o);
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#region Implementation of IWorkList<T>
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public virtual bool Add (T o)
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{
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if (!this.Elements.Add (o))
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return false;
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AddToCollection (o);
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return true;
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}
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public virtual bool IsEmpty ()
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{
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return this.Elements.Count == 0;
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}
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public abstract T Pull ();
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public virtual bool AddAll (IEnumerable<T> objs)
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{
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bool any = false;
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foreach (T o in objs) {
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if (Add (o))
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any = true;
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}
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return any;
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}
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public virtual IEnumerator<T> GetEnumerator ()
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{
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return Collection.GetEnumerator ();
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}
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#endregion
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}
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}
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