public ConcurrentMultiDataEnumerator(IList <IDataEnumerator> enumerators, int enumeratorLoadFetchSize, int threadPoolSize)
{
_enumerators = enumerators;
_threadPoolSize = threadPoolSize;
_enumeratorLoadFetchSize = enumeratorLoadFetchSize;
_sharedState = new EnumerateTaskSharedState(enumerators.Count);
}
public LinkableLinkedListBlockingEnumerator(EnumerateTaskSharedState sharedState)
{
this.sharedState = sharedState;
while (currentPositionNode == null)
{
lock (sharedState.syncObject)
{
//Check for any exception thrown by the task executers
if (sharedState.exceptionOccured != null)
{
throw sharedState.exceptionOccured;
}
//Create first node when the accumulated list has elements
if (sharedState.accumulatedEnumeratedObjectList.First != null)
{
currentPositionNode = new LinkableLinkedListNode(null);
currentPositionNode.Next = sharedState.accumulatedEnumeratedObjectList.First;
}
//If all enumerators are done or enumerator is disposed, break
else if (sharedState.allEnumeratorsDone || sharedState.disposed)
{
break;
}
//If there are no elements in the list yet block until status changed
else
{
Monitor.Wait(sharedState.syncObject);
}
}
}
}
public ConcurrentMultiDataEnumerator(IList<IDataEnumerator> enumerators, int enumeratorLoadFetchSize, int threadPoolSize)
{
_enumerators = enumerators;
_threadPoolSize = threadPoolSize;
_enumeratorLoadFetchSize = enumeratorLoadFetchSize;
_sharedState = new EnumerateTaskSharedState(enumerators.Count);
}
public ConcurrentMultiDataEnumerator(ICollection<IDataEnumerator> internalDataEnumerators, int batchSize, int threadPoolSize)
{
_batchSize = batchSize;
_threadPoolSize = threadPoolSize;
_internalDataEnumerators = internalDataEnumerators;
_sharedState = new EnumerateTaskSharedState(_internalDataEnumerators.Count);
}
public ConcurrentMultiDataEnumerator(ICollection <IDataEnumerator> internalDataEnumerators, int batchSize, int threadPoolSize)
{
_batchSize = batchSize;
_threadPoolSize = threadPoolSize;
_internalDataEnumerators = internalDataEnumerators;
_sharedState = new EnumerateTaskSharedState(_internalDataEnumerators.Count);
}
public LinkableLinkedListBlockingEnumerator(EnumerateTaskSharedState sharedState)
{
this.sharedState = sharedState;
while (currentPositionNode == null)
lock (sharedState.syncObject)
{
//Check for any exception thrown by the task executers
if (sharedState.exceptionOccured != null)
throw sharedState.exceptionOccured;
//Create first node when the accumulated list has elements
if (sharedState.accumulatedEnumeratedObjectList.First != null)
{
currentPositionNode = new LinkableLinkedListNode(null);
currentPositionNode.Next = sharedState.accumulatedEnumeratedObjectList.First;
}
//If all enumerators are done or enumerator is disposed, break
else if (sharedState.allEnumeratorsDone || sharedState.disposed)
break;
//If there are no elements in the list yet block until status changed
else
Monitor.Wait(sharedState.syncObject);
}
}
public EnumerateTask(EnumerateTaskSharedState sharedState, int batchSize, IEnumerator enumerator)
{
this.sharedState = sharedState;
this.enumerator = enumerator;
this.batchSize = batchSize;
}
public EnumerateTask(EnumerateTaskSharedState sharedState, int batchSize, IEnumerator enumerator)
{
this.sharedState = sharedState;
this.enumerator = enumerator;
this.batchSize = batchSize;
}
