91 lines
2.4 KiB
C#
91 lines
2.4 KiB
C#
namespace Nop.Core.ComponentModel;
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/// <summary>
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/// Provides a convenience methodology for implementing locked access to resources.
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/// </summary>
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/// <remarks>
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/// Intended as an infrastructure class.
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/// </remarks>
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public partial class ReaderWriteLockDisposable : IDisposable
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{
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#region Fields
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protected bool _disposed;
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protected readonly ReaderWriterLockSlim _rwLock;
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protected readonly ReaderWriteLockType _readerWriteLockType;
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#endregion
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#region Ctor
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/// <summary>
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/// Initializes a new instance of the <see cref="ReaderWriteLockDisposable"/> class.
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/// </summary>
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/// <param name="rwLock">The readers–writer lock</param>
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/// <param name="readerWriteLockType">Lock type</param>
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public ReaderWriteLockDisposable(ReaderWriterLockSlim rwLock, ReaderWriteLockType readerWriteLockType = ReaderWriteLockType.Write)
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{
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_rwLock = rwLock;
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_readerWriteLockType = readerWriteLockType;
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switch (_readerWriteLockType)
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{
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case ReaderWriteLockType.Read:
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_rwLock.EnterReadLock();
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break;
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case ReaderWriteLockType.Write:
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_rwLock.EnterWriteLock();
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break;
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case ReaderWriteLockType.UpgradeableRead:
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_rwLock.EnterUpgradeableReadLock();
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break;
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}
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}
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#endregion
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#region Utilities
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/// <summary>
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/// Protected implementation of Dispose pattern.
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/// </summary>
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/// <param name="disposing">Specifies whether to disposing resources</param>
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protected virtual void Dispose(bool disposing)
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{
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if (_disposed)
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return;
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if (disposing)
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{
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switch (_readerWriteLockType)
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{
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case ReaderWriteLockType.Read:
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_rwLock.ExitReadLock();
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break;
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case ReaderWriteLockType.Write:
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_rwLock.ExitWriteLock();
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break;
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case ReaderWriteLockType.UpgradeableRead:
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_rwLock.ExitUpgradeableReadLock();
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break;
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}
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}
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_disposed = true;
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}
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#endregion
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#region Methods
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/// <summary>
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/// Public implementation of Dispose pattern callable by consumers.
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/// </summary>
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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#endregion
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} |