/** Returns the criterion-level bid, or null if no such bid exists. */
private static Money getBid(BiddableAdGroupCriterion biddableCriterion) {
BiddingStrategyConfiguration biddingConfig =
biddableCriterion.getBiddingStrategyConfiguration();
Money cpcBidAmount = null;
if (biddingConfig.getBids() != null) {
for (Bids bid : biddingConfig.getBids()) {
if (bid instanceof CpcBid) {
CpcBid cpcBid = (CpcBid) bid;
if (BidSource.CRITERION.equals(cpcBid.getCpcBidSource())) {
cpcBidAmount = cpcBid.getBid();
break;
}
}
}
}
return cpcBidAmount;
}
/**
* Returns a new tree based on a non-empty collection of ad group criteria. All parameters
* required.
*
* @param adGroupId the ID of the ad group
* @param parentIdMap the multimap from parent product partition ID to child criteria
* @return a new ProductPartitionTree
*/
private static ProductPartitionTree createNonEmptyAdGroupTree(
Long adGroupId, ListMultimap<Long, AdGroupCriterion> parentIdMap) {
Preconditions.checkNotNull(adGroupId, "Null ad group ID");
Preconditions.checkArgument(
!parentIdMap.isEmpty(), "parentIdMap passed for ad group ID %s is empty", adGroupId);
Preconditions.checkArgument(
parentIdMap.containsKey(null),
"No root criterion found in the list of ad group criteria for ad group ID %s",
adGroupId);
AdGroupCriterion rootCriterion = Iterables.getOnlyElement(parentIdMap.get(null));
Preconditions.checkState(
rootCriterion instanceof BiddableAdGroupCriterion,
"Root criterion for ad group ID %s is not a BiddableAdGroupCriterion",
adGroupId);
BiddableAdGroupCriterion biddableRootCriterion = (BiddableAdGroupCriterion) rootCriterion;
BiddingStrategyConfiguration biddingStrategyConfig =
biddableRootCriterion.getBiddingStrategyConfiguration();
Preconditions.checkState(
biddingStrategyConfig != null,
"Null bidding strategy config on the root node of ad group ID %s",
adGroupId);
ProductPartitionNode rootNode =
new ProductPartitionNode(
null,
(ProductDimension) null,
rootCriterion.getCriterion().getId(),
new ProductDimensionComparator());
// Set the root's bid if a bid exists on the BiddableAdGroupCriterion.
Money rootNodeBid = getBid(biddableRootCriterion);
if (rootNodeBid != null) {
rootNode = rootNode.asBiddableUnit().setBid(rootNodeBid.getMicroAmount());
}
addChildNodes(rootNode, parentIdMap);
return new ProductPartitionTree(adGroupId, biddingStrategyConfig, rootNode);
}