ConcurrentEnumerator

Concurrent Enumerator

Houses functionality to implement thread safe concurrent enumerators. Utilized in the ConcurrentList class.

public class ConcurrentEnumerator<T> 
    : IEnumerator<T>

Includes

• System
• System.Collections
• System.Collections.Generic
• System.Threading

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Members

Access		Type	Name	Description
Private	readonly	List<T>	_inner	The enumerator that is thread safe.
Private	readonly	ReaderWriterLockSlim	_lock	The lock to verify the enumerator is not access by multiple threads simultaneously.
Public		T	Current	Gets the element in the collection at the current position of the enumerator.
		object	IEnumerator.Current	Gets the element in the collection at the current position of the enumerator.

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Constructors

Access	Name	Description
Public	ConcurrentEnumerator(IEnumerable<T> inner, ReaderWriterLockSlim @lock)	Initializes a concurrent enumerator for the specified list.

Functions

Access		Return	Name	Description
Public		void	Dispose()	Releases all resources used by the _lock variable.
Public		bool	MoveNext()	Advances the enumerator to the next element of the collection.
Public		void	Reset()	Sets the enumerator to its initial position, which is before the first element in the collection.

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Details

_inner

private readonly IEnumerator<T> _inner

The enumerator that is thread safe.

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_lock

private readonly ReaderWriterLockSlim _lock

The lock to verify the list is not access by multiple threads simultaneously.

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Current

public T Current

Gets the element in the collection at the current position of the enumerator.

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IEnumerator.Current

object IEnumerator.Current

Gets the element in the collection at the current position of the enumerator.

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ConcurrentEnumerator

ConcurrentEnumerator()

Initializes a concurrent enumerator for the specified list.

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Dispose

public void Dispose()

Releases all resources used by the _lock variable.

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MoveNext

public bool MoveNext()

Advances the enumerator to the next element of the collection.

Returns
Whether or not the enumerator was successfully advanced to the next element.

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Reset

public void Reset()

Sets the enumerator to its initial position, which is before the first element in the collection.

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