/**
* 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);
}
}
