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DisposableObject.cs
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90 lines (77 loc) · 2.27 KB
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using System;
namespace SharpMap.Base
{
/// <summary>
///
/// </summary>
public interface IDisposableEx : IDisposable
{
/// <summary>
/// Gets whether this object was already disposed
/// </summary>
bool IsDisposed { get; }
}
/// <summary>
/// Disposable object template
/// </summary>
/// <remarks>
/// This template was taken from phil haack's blog (
/// <see href="http://haacked.com/archive/2005/11/18/ACloserLookAtDisposePattern.aspx"/>) and further enhanced
/// </remarks>
[Serializable]
public abstract class DisposableObject : IDisposableEx
{
#region Implementation of IDisposable
/// <summary>
/// Finalizer
/// </summary>
~DisposableObject()
{
ReleaseUnmanagedResources();
}
/// <summary>
/// Executes specific tasks that are concerned with freeing or initializing resources.
/// </summary>
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
IsDisposed = true;
}
private void Dispose(bool disposing)
{
ReleaseUnmanagedResources();
if (disposing)
ReleaseManagedResources();
}
/// <summary>
/// Releases unmanaged resources
/// </summary>
protected virtual void ReleaseUnmanagedResources()
{}
/// <summary>
/// Releases managed resources
/// </summary>
protected virtual void ReleaseManagedResources()
{}
#endregion
/// <summary>
/// Method to check if this object has already been disposed
/// </summary>
protected void CheckDisposed()
{
if (IsDisposed)
throw new ObjectDisposedException(GetType().Name);
}
[NonSerialized]
private bool _isDisposed;
/// <summary>
/// Gets whether this object is disposed
/// </summary>
public bool IsDisposed
{
get { return _isDisposed; }
private set { _isDisposed = value; }
}
}
}