/**
* Returns a new instance of this class based on the collection of ad group criteria provided.
*
* <p>NOTE: If retrieving existing criteria for use with this method, you must include all of the
* fields in {@link #REQUIRED_SELECTOR_FIELDS} in your {@link Selector}.
*
* @param adGroupId the ID of the ad group
* @param biddingStrategyConfig the {@link BiddingStrategyConfiguration} for the ad group
* @param adGroupCriteria the non-null (but possibly empty) list of ad group criteria
* @throws NullPointerException if any argument is null, any element in {@code adGroupCriteria} is
* null, or any required field from {@link #REQUIRED_SELECTOR_FIELDS} is missing from an
* element in {@code adGroupCriteria}
* @throws IllegalArgumentException if {@code adGroupCriteria} does not include the root criterion
* of the product partition tree
*/
public static ProductPartitionTree createAdGroupTree(
Long adGroupId,
BiddingStrategyConfiguration biddingStrategyConfig,
List<AdGroupCriterion> adGroupCriteria) {
Preconditions.checkNotNull(adGroupId, "Null ad group ID");
Preconditions.checkNotNull(biddingStrategyConfig, "Null bidding strategy configuration");
Preconditions.checkNotNull(adGroupCriteria, "Null criteria list");
if (adGroupCriteria.isEmpty()) {
return createEmptyAdGroupTree(adGroupId, biddingStrategyConfig);
}
ListMultimap<Long, AdGroupCriterion> parentIdMap = LinkedListMultimap.create();
for (AdGroupCriterion adGroupCriterion : adGroupCriteria) {
Preconditions.checkNotNull(
adGroupCriterion.getCriterion(), "AdGroupCriterion has a null criterion");
if (adGroupCriterion instanceof BiddableAdGroupCriterion) {
BiddableAdGroupCriterion biddableCriterion = (BiddableAdGroupCriterion) adGroupCriterion;
Preconditions.checkNotNull(
biddableCriterion.getUserStatus(),
"User status is null for criterion ID %s",
biddableCriterion.getCriterion().getId());
if (UserStatus.REMOVED.equals(biddableCriterion.getUserStatus())) {
// Skip REMOVED criteria.
continue;
}
}
if (adGroupCriterion.getCriterion() instanceof ProductPartition) {
ProductPartition partition = (ProductPartition) adGroupCriterion.getCriterion();
parentIdMap.put(partition.getParentCriterionId(), adGroupCriterion);
}
}
return createNonEmptyAdGroupTree(adGroupId, parentIdMap);
}
/**
* Using the criteria in {@code parentIdMap}, recursively adds all children under the partition ID
* of {@code parentNode} to {@code parentNode}.
*
* @param parentNode required
* @param parentIdMap the multimap from parent partition ID to list of child criteria
*/
private static void addChildNodes(
ProductPartitionNode parentNode, ListMultimap<Long, AdGroupCriterion> parentIdMap) {
if (parentIdMap.containsKey(parentNode.getProductPartitionId())) {
parentNode = parentNode.asSubdivision();
}
for (AdGroupCriterion adGroupCriterion : parentIdMap.get(parentNode.getProductPartitionId())) {
ProductPartition partition = (ProductPartition) adGroupCriterion.getCriterion();
ProductPartitionNode childNode = parentNode.addChild(partition.getCaseValue());
childNode = childNode.setProductPartitionId(partition.getId());
if (ProductPartitionType.SUBDIVISION.equals(partition.getPartitionType())) {
childNode = childNode.asSubdivision();
} else {
if (adGroupCriterion instanceof BiddableAdGroupCriterion) {
childNode = childNode.asBiddableUnit();
Money cpcBidAmount = getBid((BiddableAdGroupCriterion) adGroupCriterion);
if (cpcBidAmount != null) {
childNode = childNode.setBid(cpcBidAmount.getMicroAmount());
}
} else {
childNode = childNode.asExcludedUnit();
}
}
addChildNodes(childNode, parentIdMap);
}
}
/**
* Returns a new instance of this class by retrieving the product partitions of the specified ad
* group. All parameters are required.
*/
public static ProductPartitionTree createAdGroupTree(
AdWordsServices services, AdWordsSession session, Long adGroupId)
throws ApiException, RemoteException {
// Get the AdGroupCriterionService.
AdGroupCriterionServiceInterface criterionService =
services.get(session, AdGroupCriterionServiceInterface.class);
SelectorBuilder selectorBuilder =
new SelectorBuilder()
.fields(
REQUIRED_SELECTOR_FIELD_ENUMS.toArray(
new AdGroupCriterionField[REQUIRED_SELECTOR_FIELD_ENUMS.size()]))
.equals(AdGroupCriterionField.AdGroupId, adGroupId.toString())
.equals(AdGroupCriterionField.CriteriaType, "PRODUCT_PARTITION")
.in(
AdGroupCriterionField.Status,
UserStatus.ENABLED.getValue(),
UserStatus.PAUSED.getValue())
.limit(PAGE_SIZE);
AdGroupCriterionPage adGroupCriterionPage;
// A multimap from each product partition ID to its direct children.
ListMultimap<Long, AdGroupCriterion> parentIdMap = LinkedListMultimap.create();
int offset = 0;
do {
// Get the next page of results.
adGroupCriterionPage = criterionService.get(selectorBuilder.build());
if (adGroupCriterionPage != null && adGroupCriterionPage.getEntries() != null) {
for (AdGroupCriterion adGroupCriterion : adGroupCriterionPage.getEntries()) {
ProductPartition partition = (ProductPartition) adGroupCriterion.getCriterion();
parentIdMap.put(partition.getParentCriterionId(), adGroupCriterion);
}
offset += adGroupCriterionPage.getEntries().length;
selectorBuilder.increaseOffsetBy(PAGE_SIZE);
}
} while (offset < adGroupCriterionPage.getTotalNumEntries());
// Construct the ProductPartitionTree from the parentIdMap.
if (!parentIdMap.containsKey(null)) {
Preconditions.checkState(
parentIdMap.isEmpty(), "No root criterion found in the tree but the tree is not empty");
return createEmptyAdGroupTree(
adGroupId, getAdGroupBiddingStrategyConfiguration(services, session, adGroupId));
}
return createNonEmptyAdGroupTree(adGroupId, parentIdMap);
}