/// <summary>
/// Performs a <em>shallow</em> copy of properties from
/// <paramref name="fromNode"/> to <paramref name="toNode"/>.
/// </summary>
/// <param name="fromNode">The node to copy from.</param>
/// <param name="toNode">The node to copy to.</param>
/// <returns><paramref name="toNode"/>, with its properties updated.</returns>
/// <remarks>Does <em>not</em> change the parent node of
/// <paramref name="toNode"/>.</remarks>
public static ProductPartitionNode CopyProperties(ProductPartitionNode fromNode,
ProductPartitionNode toNode)
{
switch (fromNode.nodeState.NodeType)
{
case NodeType.BIDDABLE_UNIT:
toNode = toNode.AsBiddableUnit();
toNode.CpcBid = fromNode.CpcBid;
break;
case NodeType.EXCLUDED_UNIT:
toNode = toNode.AsExcludedUnit();
break;
case NodeType.SUBDIVISION:
toNode = toNode.AsSubdivision();
break;
default:
throw new InvalidOperationException(
"Unrecognized node state: " + fromNode.nodeState.NodeType);
}
toNode.ProductPartitionId = fromNode.ProductPartitionId;
return(toNode);
}
/// <summary>
/// Returns a new tree based on a non-empty collection of ad group criteria.
/// </summary>
/// <param name="adGroupId">The ad group ID.</param>
/// <param name="parentIdMap">The multimap from parent product partition ID
/// to child criteria.</param>
/// <returns>a new product partition tree.</returns>
private static ProductPartitionTree CreateAdGroupTree(long adGroupId,
Dictionary <long, List <AdGroupCriterion> > parentIdMap)
{
ProductPartitionNode rootNode = null;
if (parentIdMap.Count == 0)
{
rootNode = new ProductPartitionNode(null, null, NEW_ROOT_ID);
}
else
{
List <AdGroupCriterion> root = CollectionUtilities.TryGetValue(parentIdMap, ROOT_PARENT_ID);
PreconditionUtilities.CheckState(root != null,
string.Format(ShoppingMessages.RootCriteriaNotFoundInCriteriaList, adGroupId));
PreconditionUtilities.CheckState(root.Count == 1,
string.Format(ShoppingMessages.MoreThanOneRootFound, adGroupId));
AdGroupCriterion rootCriterion = root[0];
PreconditionUtilities.CheckState(rootCriterion is BiddableAdGroupCriterion,
string.Format(ShoppingMessages.RootCriterionIsNotBiddable, adGroupId));
BiddableAdGroupCriterion biddableRootCriterion = (BiddableAdGroupCriterion)rootCriterion;
rootNode = new ProductPartitionNode(null, null, rootCriterion.criterion.id,
new ProductDimensionEqualityComparer());
// Set the root's bid if a bid exists on the BiddableAdGroupCriterion.
Money rootNodeBid = GetBid(biddableRootCriterion);
if (rootNodeBid != null)
{
rootNode.AsBiddableUnit().CpcBid = rootNodeBid.microAmount;
}
AddChildNodes(rootNode, parentIdMap);
}
return(new ProductPartitionTree(adGroupId, rootNode));
}
/// <summary>
/// Using the criteria in <paramref name="parentIdMap"/>, recursively adds
/// all children under the partition ID of <paramref name="parentNode"/> to
/// <paramref name="parentNode"/>.
/// </summary>
/// <param name="parentNode">The parent node.</param>
/// <param name="parentIdMap">The multimap from parent partition ID to list
/// of child criteria</param>
private static void AddChildNodes(ProductPartitionNode parentNode,
Dictionary <long, List <AdGroupCriterion> > parentIdMap)
{
List <AdGroupCriterion> childCriteria =
CollectionUtilities.TryGetValue(parentIdMap, parentNode.ProductPartitionId);
// no children, return.
if (childCriteria == null || childCriteria.Count == 0)
{
return;
}
// Ensure that the parent is a subdivision.
parentNode.AsSubdivision();
foreach (AdGroupCriterion childCriterion in childCriteria)
{
ProductPartition partition = (ProductPartition)childCriterion.criterion;
ProductPartitionNode childNode = parentNode.AddChild(partition.caseValue);
childNode.ProductPartitionId = partition.id;
if (childCriterion is BiddableAdGroupCriterion)
{
childNode = childNode.AsBiddableUnit();
Money cpcBidAmount = GetBid((BiddableAdGroupCriterion)childCriterion);
if (cpcBidAmount != null)
{
childNode.CpcBid = cpcBidAmount.microAmount;
}
}
else
{
childNode = childNode.AsExcludedUnit();
}
AddChildNodes(childNode, parentIdMap);
}
}