/// <summary>
/// Attempts to add a value by synchronizing the collection.
/// </summary>
/// <returns>
/// Returns true if a value was added. False if value already exists or a lock could not be acquired.
/// </returns>
public static bool RemoveSynchronized(
this IDictionary target,
object key,
int millisecondsTimeout = SYNC_TIMEOUT_DEFAULT_MILLISECONDS)
{
if (target is null)
{
throw new ArgumentNullException(nameof(target));
}
if (key is null)
{
throw new ArgumentNullException(nameof(key));
}
var removed = false;
ThreadSafety.SynchronizeReadWriteKeyAndObject(
target, key, ref removed,
lockType => target.Contains(key),
() =>
{
target.Remove(key);
return(true);
}, millisecondsTimeout, false);
return(removed);
}
/// <summary>
/// Attempts to add a value by synchronizing the collection.
/// </summary>
/// <returns>
/// Returns true if a value was added. False if value already exists or a lock could not be acquired.
/// </returns>
public static bool TryAddSynchronized(
this IDictionary target,
object key,
Func <object> valueFactory,
int millisecondsTimeout = SYNC_TIMEOUT_DEFAULT_MILLISECONDS)
{
if (target is null)
{
throw new ArgumentNullException(nameof(target));
}
if (key is null)
{
throw new ArgumentNullException(nameof(key));
}
var added = false;
ThreadSafety.SynchronizeReadWriteKeyAndObject(
target, key, ref added,
lockType => !target.Contains(key),
() =>
{
target.Add(key, valueFactory());
return(true);
}, millisecondsTimeout, false);
return(added);
}
