/// <summary>
/// Deletes the array.
/// </summary>
/// <param name="targetIndex">Index of the target.</param>
/// <param name="targetArray">The target array.</param>
public void DeleteArray(MemoryIndex targetIndex, AssociativeArray targetArray)
{
IArrayDescriptor targetArrayDescriptor = targetStructure.GetDescriptor(targetArray);
foreach (var index in targetArrayDescriptor.Indexes)
{
// Enqueue delete operation for every child index
MemoryIndex childIndex = index.Value;
MergeOperation childOperation = new MergeOperation();
childOperation.SetTargetIndex(childIndex);
childOperation.SetDeleteOperation();
operationQueue.AddLast(childOperation);
}
// Enqueue delete operation for unknown index
MergeOperation unknownOperation = new MergeOperation();
unknownOperation.SetTargetIndex(targetArrayDescriptor.UnknownIndex);
unknownOperation.SetUndefined();
unknownOperation.SetDeleteOperation();
operationQueue.AddLast(unknownOperation);
// Deletes array from structure
writeableTargetStructure.RemoveArray(targetIndex, targetArray);
}
/// <summary>
/// Enqueues the delete operation.
/// </summary>
/// <param name="childName">Name of the child.</param>
/// <param name="operation">The operation.</param>
/// <param name="targetContainerContext">The target container context.</param>
/// <param name="childTreeNode">The child tree node.</param>
private void enqueueDeleteOperation(string childName, MergeOperation operation, ITargetContainerContext targetContainerContext, MemoryIndexTreeNode childTreeNode)
{
IReadonlyIndexContainer targetContainer = targetContainerContext.getSourceContainer();
MemoryIndex targetIndex;
if (targetContainer.TryGetIndex(childName, out targetIndex))
{
// Enque delete operation only if target index exists in paret snapshot
operation.TreeNode = childTreeNode;
operation.SetTargetIndex(targetIndex);
operation.SetDeleteOperation();
operationQueue.AddLast(operation);
// Delete child from parent container
targetContainerContext.getWriteableSourceContainer().RemoveIndex(childName);
}
}
