use of org.apache.apex.malhar.lib.dimensions.aggregator.CompositeAggregator in project apex-malhar by apache.
the class DimensionalConfigurationSchema method addCompositeAggregator.
protected CompositeAggregator addCompositeAggregator(String aggregatorType, Map<String, Set<String>> allValueToCompositeAggregator, Set<String> aggregateCompositeSet, String valueName, String embededAggregatorName, Map<String, Object> properties, Map<String, Type> aggregatorToType) {
if (!aggregatorRegistry.isTopBottomAggregatorType(aggregatorType)) {
throw new IllegalArgumentException(aggregatorType + " is not a valid composite aggregator.");
}
final String aggregatorName = compositeAggregatorFactory.getCompositeAggregatorName(aggregatorType, embededAggregatorName, properties);
final CompositeAggregator aggregator = compositeAggregatorFactory.createCompositeAggregator(aggregatorType, embededAggregatorName, properties);
// Check for duplicate
Set<String> aggregatorNames = allValueToCompositeAggregator.get(valueName);
if (aggregatorNames == null) {
aggregatorNames = Sets.newHashSet();
allValueToCompositeAggregator.put(valueName, aggregatorNames);
}
if (!aggregatorNames.add(aggregatorName)) {
throw new IllegalArgumentException("An aggregator " + aggregatorName + " cannot be specified twice for value '" + valueName + "'");
}
allValueToCompositeAggregator.put(valueName, aggregatorNames);
aggregateCompositeSet.add(aggregatorName);
// Add aggregator to the repository
if (aggregator instanceof AbstractTopBottomAggregator) {
aggregatorRegistry.getNameToTopBottomAggregator().put(aggregatorName, (AbstractTopBottomAggregator) aggregator);
}
LOG.debug("field name {} and adding aggregator names {}:", valueName, aggregatorNames);
if (aggregatorToType != null) {
aggregatorToType.put(aggregatorName, aggregator.getOutputType());
}
return aggregator;
}
use of org.apache.apex.malhar.lib.dimensions.aggregator.CompositeAggregator in project apex-malhar by apache.
the class DimensionalConfigurationSchema method initialize.
/**
* This is a helper method which initializes the {@link DimensionalConfigurationSchema} with the given
* JSON values.
*
* @param json The json with which to initialize the {@link DimensionalConfigurationSchema}.
* @throws JSONException
*/
private void initialize(String json) throws JSONException {
JSONObject jo = new JSONObject(json);
tags = getTags(jo);
// Keys
keysToEnumValuesList = Maps.newHashMap();
JSONArray keysArray;
if (jo.has(FIELD_KEYS)) {
keysArray = jo.getJSONArray(FIELD_KEYS);
} else {
keysArray = new JSONArray();
}
keysString = keysArray.toString();
keyToTags = Maps.newHashMap();
Map<String, Type> fieldToType = Maps.newHashMap();
for (int keyIndex = 0; keyIndex < keysArray.length(); keyIndex++) {
JSONObject tempKeyDescriptor = keysArray.getJSONObject(keyIndex);
SchemaUtils.checkValidKeysEx(tempKeyDescriptor, VALID_KEY_FIELDS);
String keyName = tempKeyDescriptor.getString(FIELD_KEYS_NAME);
String typeName = tempKeyDescriptor.getString(FIELD_KEYS_TYPE);
try {
String keyExpression = tempKeyDescriptor.getString(FIELD_KEYS_EXPRESSION);
if (keyExpression != null) {
keyToExpression.put(keyName, keyExpression);
}
} catch (JSONException e) {
// do nothing
}
List<String> keyTags = getTags(tempKeyDescriptor);
keyToTags.put(keyName, keyTags);
Type type = Type.getTypeEx(typeName);
fieldToType.put(keyName, type);
List<Object> valuesList = Lists.newArrayList();
keysToEnumValuesList.put(keyName, valuesList);
if (tempKeyDescriptor.has(FIELD_KEYS_ENUMVALUES)) {
Type maxType = null;
JSONArray valArray = tempKeyDescriptor.getJSONArray(FIELD_KEYS_ENUMVALUES);
// Validate the provided data types
for (int valIndex = 0; valIndex < valArray.length(); valIndex++) {
Object val = valArray.get(valIndex);
valuesList.add(val);
Preconditions.checkState(!(val instanceof JSONArray || val instanceof JSONObject), "The value must be a primitive.");
Type currentType = Type.CLASS_TO_TYPE.get(val.getClass());
if (maxType == null) {
maxType = currentType;
} else if (maxType != currentType) {
if (maxType.getHigherTypes().contains(currentType)) {
maxType = currentType;
} else {
Preconditions.checkState(currentType.getHigherTypes().contains(maxType), "Conficting types: " + currentType.getName() + " cannot be converted to " + maxType.getName());
}
}
}
// This is not the right thing to do, fix later
if (!Type.areRelated(maxType, type)) {
throw new IllegalArgumentException("The type of the values in " + valArray + " is " + maxType.getName() + " while the specified type is " + type.getName());
}
}
}
// Time Buckets
timeBuckets = Lists.newArrayList();
customTimeBuckets = Lists.newArrayList();
JSONArray timeBucketsJSON;
if (!jo.has(FIELD_TIME_BUCKETS)) {
timeBucketsJSON = new JSONArray();
timeBucketsJSON.put(TimeBucket.ALL.getText());
} else {
timeBucketsJSON = jo.getJSONArray(FIELD_TIME_BUCKETS);
if (timeBucketsJSON.length() == 0) {
throw new IllegalArgumentException("A time bucket must be specified.");
}
}
customTimeBucketRegistry = new CustomTimeBucketRegistry(STARTING_TIMEBUCKET_ID);
Set<CustomTimeBucket> customTimeBucketsAllSet = Sets.newHashSet();
List<CustomTimeBucket> customTimeBucketsAll = Lists.newArrayList();
Set<CustomTimeBucket> customTimeBucketsTotalSet = Sets.newHashSet();
for (int timeBucketIndex = 0; timeBucketIndex < timeBucketsJSON.length(); timeBucketIndex++) {
String timeBucketString = timeBucketsJSON.getString(timeBucketIndex);
CustomTimeBucket customTimeBucket = new CustomTimeBucket(timeBucketString);
if (!customTimeBucketsAllSet.add(customTimeBucket)) {
throw new IllegalArgumentException("The bucket " + customTimeBucket.getText() + " was defined twice.");
}
customTimeBucketsAll.add(customTimeBucket);
customTimeBuckets.add(customTimeBucket);
if (customTimeBucket.isUnit() || customTimeBucket.getTimeBucket() == TimeBucket.ALL) {
timeBuckets.add(customTimeBucket.getTimeBucket());
}
}
customTimeBucketsTotalSet.addAll(customTimeBucketsAllSet);
JSONArray customTimeBucketsJSON = new JSONArray();
for (CustomTimeBucket customTimeBucket : customTimeBuckets) {
customTimeBucketsJSON.put(customTimeBucket.toString());
}
bucketsString = customTimeBucketsJSON.toString();
// Key descriptor all
keyDescriptor = new FieldsDescriptor(fieldToType);
Map<String, Type> fieldToTypeWithTime = Maps.newHashMap(fieldToType);
keyDescriptorWithTime = keyDescriptorWithTime(fieldToTypeWithTime, customTimeBuckets);
// Values
Map<String, Set<String>> allValueToAggregator = Maps.newHashMap();
Map<String, Set<String>> allValueToOTFAggregator = Maps.newHashMap();
Map<String, Set<String>> valueToAggregators = Maps.newHashMap();
Map<String, Set<String>> valueToOTFAggregators = Maps.newHashMap();
Map<String, Set<String>> allValueToCompositeAggregator = Maps.newHashMap();
Map<String, Set<String>> valueToCompositeAggregators = Maps.newHashMap();
Map<String, Type> aggFieldToType = Maps.newHashMap();
JSONArray valuesArray = jo.getJSONArray(FIELD_VALUES);
schemaAllValueToAggregatorToType = Maps.newHashMap();
valueToTags = Maps.newHashMap();
for (int valueIndex = 0; valueIndex < valuesArray.length(); valueIndex++) {
JSONObject value = valuesArray.getJSONObject(valueIndex);
String name = value.getString(FIELD_VALUES_NAME);
String type = value.getString(FIELD_VALUES_TYPE);
try {
String valueExpression = value.getString(FIELD_VALUES_EXPRESSION);
if (valueExpression != null) {
valueToExpression.put(name, valueExpression);
}
} catch (JSONException e) {
// Do nothing
}
List<String> valueTags = getTags(value);
valueToTags.put(name, valueTags);
Type typeT = Type.NAME_TO_TYPE.get(type);
if (aggFieldToType.containsKey(name)) {
throw new IllegalArgumentException("Cannot define the value " + name + " twice.");
}
Map<String, Type> aggregatorToType = Maps.newHashMap();
schemaAllValueToAggregatorToType.put(name, aggregatorToType);
aggFieldToType.put(name, typeT);
Set<String> aggregatorSet = Sets.newHashSet();
Set<String> aggregatorOTFSet = Sets.newHashSet();
Set<String> aggregateCompositeSet = Sets.newHashSet();
if (value.has(FIELD_VALUES_AGGREGATIONS)) {
JSONArray aggregators = value.getJSONArray(FIELD_VALUES_AGGREGATIONS);
if (aggregators.length() == 0) {
throw new IllegalArgumentException("Empty aggregators array for: " + name);
}
for (int aggregatorIndex = 0; aggregatorIndex < aggregators.length(); aggregatorIndex++) {
// the aggrator is not only has name any more, it could be an object or a String
// example: {"aggregator":"BOTTOMN","property":"count","value":"20","embededAggregator":"AVG"}
String aggregatorType = null;
aggregatorType = aggregators.getString(aggregatorIndex);
if (isJsonSimpleString(aggregatorType)) {
// it's is simple aggregator
addNonCompositeAggregator(aggregatorType, allValueToAggregator, allValueToOTFAggregator, name, aggregatorSet, aggregatorToType, typeT, aggregatorOTFSet, true);
} else {
// it is a composite aggragate
JSONObject jsonAggregator = aggregators.getJSONObject(aggregatorIndex);
aggregatorType = jsonAggregator.getString(FIELD_VALUES_AGGREGATOR);
Map<String, Object> propertyNameToValue = getPropertyNameToValue(jsonAggregator, aggregatorType);
// the steps following is for composite aggregator.
if (isCompositeAggregator(aggregatorType)) {
String embededAggregatorName = (String) propertyNameToValue.get(PROPERTY_NAME_EMBEDED_AGGREGATOR);
/**
* don't add embed aggregator here as the emebed aggregator is with different dimension as this dimension
* maybe haven't created yet.
*/
CompositeAggregator aggregator = addCompositeAggregator(aggregatorType, allValueToCompositeAggregator, aggregateCompositeSet, name, embededAggregatorName, propertyNameToValue, aggregatorToType);
} else {
throw new IllegalArgumentException("Unknow aggregator type: " + aggregatorType + ", please check if it valid.");
}
}
}
}
if (!aggregatorSet.isEmpty()) {
valueToAggregators.put(name, aggregatorSet);
valueToOTFAggregators.put(name, aggregatorOTFSet);
}
if (!aggregateCompositeSet.isEmpty()) {
valueToCompositeAggregators.put(name, aggregateCompositeSet);
}
}
LOG.debug("allValueToAggregator {}", allValueToAggregator);
LOG.debug("valueToAggregators {}", valueToAggregators);
this.inputValuesDescriptor = new FieldsDescriptor(aggFieldToType);
// Dimensions
dimensionsDescriptorIDToValueToAggregator = Lists.newArrayList();
dimensionsDescriptorIDToValueToOTFAggregator = Lists.newArrayList();
dimensionsDescriptorIDToValueToCompositeAggregator = Lists.newArrayList();
dimensionsDescriptorIDToKeyDescriptor = Lists.newArrayList();
dimensionsDescriptorIDToDimensionsDescriptor = Lists.newArrayList();
dimensionsDescriptorIDToAggregatorToAggregateDescriptor = Lists.newArrayList();
dimensionsDescriptorIDToKeys = Lists.newArrayList();
dimensionsDescriptorIDToFieldToAggregatorAdditionalValues = Lists.newArrayList();
JSONArray dimensionsArray;
if (jo.has(FIELD_DIMENSIONS)) {
Object dimensionsVal = jo.get(FIELD_DIMENSIONS);
if (dimensionsVal instanceof String) {
if (!((String) dimensionsVal).equals(FIELD_DIMENSIONS_ALL_COMBINATIONS)) {
throw new IllegalArgumentException(dimensionsVal + " is an invalid value for " + FIELD_DIMENSIONS);
}
dimensionsArray = new JSONArray();
LOG.debug("Combinations size {}", fieldToType.keySet().size());
Set<Set<String>> combinations = buildCombinations(fieldToType.keySet());
LOG.debug("Combinations size {}", combinations.size());
List<DimensionsDescriptor> dimensionDescriptors = Lists.newArrayList();
for (Set<String> combination : combinations) {
dimensionDescriptors.add(new DimensionsDescriptor(new Fields(combination)));
}
Collections.sort(dimensionDescriptors);
LOG.debug("Dimensions descriptor size {}", dimensionDescriptors.size());
for (DimensionsDescriptor dimensionsDescriptor : dimensionDescriptors) {
JSONObject combination = new JSONObject();
JSONArray combinationKeys = new JSONArray();
for (String field : dimensionsDescriptor.getFields().getFields()) {
combinationKeys.put(field);
}
combination.put(FIELD_DIMENSIONS_COMBINATIONS, combinationKeys);
dimensionsArray.put(combination);
}
} else if (dimensionsVal instanceof JSONArray) {
dimensionsArray = jo.getJSONArray(FIELD_DIMENSIONS);
} else {
throw new IllegalArgumentException("The value for " + FIELD_DIMENSIONS + " must be a string or an array.");
}
} else {
dimensionsArray = new JSONArray();
JSONObject combination = new JSONObject();
combination.put(FIELD_DIMENSIONS_COMBINATIONS, new JSONArray());
dimensionsArray.put(combination);
}
Set<Fields> dimensionsDescriptorFields = Sets.newHashSet();
// loop through dimension descriptors
for (int dimensionsIndex = 0; dimensionsIndex < dimensionsArray.length(); dimensionsIndex++) {
// Get a dimension descriptor
JSONObject dimension = dimensionsArray.getJSONObject(dimensionsIndex);
// Get the key fields of a descriptor
JSONArray combinationFields = dimension.getJSONArray(FIELD_DIMENSIONS_COMBINATIONS);
// valueName to IncrementalAggregator
Map<String, Set<String>> specificValueToAggregator = Maps.newHashMap();
// valueName to OTFAggregator
Map<String, Set<String>> specificValueToOTFAggregator = Maps.newHashMap();
// valueName to CompositeAggregator
Map<String, Set<String>> specificValueToCompositeAggregator = Maps.newHashMap();
for (Map.Entry<String, Set<String>> entry : valueToAggregators.entrySet()) {
Set<String> aggregators = Sets.newHashSet();
aggregators.addAll(entry.getValue());
specificValueToAggregator.put(entry.getKey(), aggregators);
}
for (Map.Entry<String, Set<String>> entry : valueToOTFAggregators.entrySet()) {
Set<String> aggregators = Sets.newHashSet();
aggregators.addAll(entry.getValue());
specificValueToOTFAggregator.put(entry.getKey(), aggregators);
}
for (Map.Entry<String, Set<String>> entry : valueToCompositeAggregators.entrySet()) {
Set<String> aggregators = Sets.newHashSet();
aggregators.addAll(entry.getValue());
specificValueToCompositeAggregator.put(entry.getKey(), aggregators);
}
List<String> keyNames = Lists.newArrayList();
// loop through the key fields of a descriptor
for (int keyIndex = 0; keyIndex < combinationFields.length(); keyIndex++) {
String keyName = combinationFields.getString(keyIndex);
keyNames.add(keyName);
}
Fields dimensionDescriptorFields = new Fields(keyNames);
if (!dimensionsDescriptorFields.add(dimensionDescriptorFields)) {
throw new IllegalArgumentException("Duplicate dimension descriptor: " + dimensionDescriptorFields);
}
Map<String, Set<String>> fieldToAggregatorAdditionalValues = Maps.newHashMap();
dimensionsDescriptorIDToKeys.add(dimensionDescriptorFields);
dimensionsDescriptorIDToFieldToAggregatorAdditionalValues.add(fieldToAggregatorAdditionalValues);
Set<CustomTimeBucket> customTimeBucketsCombinationSet = Sets.newHashSet(customTimeBucketsAllSet);
customTimeBucketsCombination = Lists.newArrayList(customTimeBucketsAll);
if (dimension.has(DimensionalConfigurationSchema.FIELD_DIMENSIONS_TIME_BUCKETS)) {
JSONArray timeBuckets = dimension.getJSONArray(DimensionalConfigurationSchema.FIELD_DIMENSIONS_TIME_BUCKETS);
if (timeBuckets.length() == 0) {
throw new IllegalArgumentException(dimensionDescriptorFields.getFields().toString());
}
for (int timeBucketIndex = 0; timeBucketIndex < timeBuckets.length(); timeBucketIndex++) {
CustomTimeBucket customTimeBucket = new CustomTimeBucket(timeBuckets.getString(timeBucketIndex));
if (!customTimeBucketsCombinationSet.add(customTimeBucket)) {
throw new IllegalArgumentException("The time bucket " + customTimeBucket + " is defined twice for the dimensions combination " + dimensionDescriptorFields.getFields().toString());
}
customTimeBucketsCombinationSet.add(customTimeBucket);
customTimeBucketsCombination.add(customTimeBucket);
}
}
customTimeBucketsTotalSet.addAll(customTimeBucketsCombinationSet);
// Loop through time to generate dimension descriptors
for (CustomTimeBucket timeBucket : customTimeBucketsCombination) {
DimensionsDescriptor dimensionsDescriptor = new DimensionsDescriptor(timeBucket, dimensionDescriptorFields);
dimensionsDescriptorIDToKeyDescriptor.add(dimensionsDescriptor.createFieldsDescriptor(keyDescriptor));
dimensionsDescriptorIDToDimensionsDescriptor.add(dimensionsDescriptor);
}
if (dimension.has(FIELD_DIMENSIONS_ADDITIONAL_VALUES)) {
JSONArray additionalValues = dimension.getJSONArray(FIELD_DIMENSIONS_ADDITIONAL_VALUES);
// iterate over additional values
for (int additionalValueIndex = 0; additionalValueIndex < additionalValues.length(); additionalValueIndex++) {
String additionalValue = additionalValues.getString(additionalValueIndex);
if (isJsonSimpleString(additionalValue)) {
String[] components = additionalValue.split(ADDITIONAL_VALUE_SEPERATOR);
if (components.length != ADDITIONAL_VALUE_NUM_COMPONENTS) {
throw new IllegalArgumentException("The number of component values " + "in an additional value must be " + ADDITIONAL_VALUE_NUM_COMPONENTS + " not " + components.length);
}
String valueName = components[ADDITIONAL_VALUE_VALUE_INDEX];
verifyValueDefined(valueName, aggFieldToType.keySet());
String aggregatorName = components[ADDITIONAL_VALUE_AGGREGATOR_INDEX];
{
Set<String> aggregators = fieldToAggregatorAdditionalValues.get(valueName);
if (aggregators == null) {
aggregators = Sets.newHashSet();
fieldToAggregatorAdditionalValues.put(valueName, aggregators);
}
aggregators.add(aggregatorName);
}
if (!aggregatorRegistry.isAggregator(aggregatorName)) {
throw new IllegalArgumentException(aggregatorName + " is not a valid aggregator.");
}
if (aggregatorRegistry.isIncrementalAggregator(aggregatorName)) {
Set<String> aggregatorNames = allValueToAggregator.get(valueName);
if (aggregatorNames == null) {
aggregatorNames = Sets.newHashSet();
allValueToAggregator.put(valueName, aggregatorNames);
}
aggregatorNames.add(aggregatorName);
Set<String> aggregators = specificValueToAggregator.get(valueName);
if (aggregators == null) {
aggregators = Sets.newHashSet();
specificValueToAggregator.put(valueName, aggregators);
}
if (!aggregators.add(aggregatorName)) {
throw new IllegalArgumentException("The aggregator " + aggregatorName + " was already defined in the " + FIELD_VALUES + " section for the value " + valueName);
}
} else {
// Check for duplicate on the fly aggregators
Set<String> aggregatorNames = specificValueToOTFAggregator.get(valueName);
if (aggregatorNames == null) {
aggregatorNames = Sets.newHashSet();
specificValueToOTFAggregator.put(valueName, aggregatorNames);
}
if (!aggregatorNames.add(aggregatorName)) {
throw new IllegalArgumentException("The aggregator " + aggregatorName + " cannot be specified twice for the value " + valueName);
}
aggregatorNames = allValueToOTFAggregator.get(valueName);
if (aggregatorNames == null) {
aggregatorNames = Sets.newHashSet();
allValueToOTFAggregator.put(valueName, aggregatorNames);
}
if (!aggregatorNames.add(aggregatorName)) {
throw new IllegalArgumentException("The aggregator " + aggregatorName + " cannot be specified twice for the value " + valueName);
}
Set<String> aggregators = specificValueToAggregator.get(valueName);
if (aggregators == null) {
aggregators = Sets.newHashSet();
specificValueToAggregator.put(valueName, aggregators);
}
if (aggregators == null) {
throw new IllegalArgumentException("The additional value " + additionalValue + "Does not have a corresponding value " + valueName + " defined in the " + FIELD_VALUES + " section.");
}
aggregators.addAll(aggregatorRegistry.getOTFAggregatorToIncrementalAggregators().get(aggregatorName));
}
} else {
// it is a composite aggragate
JSONObject jsonAddition = additionalValues.getJSONObject(additionalValueIndex);
String valueName = (String) jsonAddition.keys().next();
verifyValueDefined(valueName, aggFieldToType.keySet());
JSONObject jsonAggregator = jsonAddition.getJSONObject(valueName);
String aggregatorName = jsonAggregator.getString(FIELD_VALUES_AGGREGATOR);
Map<String, Object> propertyNameToValue = getPropertyNameToValue(jsonAggregator, aggregatorName);
// the steps following is for composite aggregator.
if (isCompositeAggregator(aggregatorName)) {
String embededAggregatorName = (String) propertyNameToValue.get(PROPERTY_NAME_EMBEDED_AGGREGATOR);
/**
* don't add embed aggregator here as the emebed aggregator is with different dimension as this dimension
* maybe haven't created yet. the subCombination should be part of the combination
*/
Set<String> compositeAggregators = specificValueToCompositeAggregator.get(valueName);
if (compositeAggregators == null) {
compositeAggregators = Sets.newHashSet();
specificValueToCompositeAggregator.put(valueName, compositeAggregators);
}
CompositeAggregator aggregator = addCompositeAggregator(aggregatorName, allValueToCompositeAggregator, compositeAggregators, valueName, embededAggregatorName, propertyNameToValue, null);
} else {
throw new IllegalArgumentException("Unknow aggregator name: " + aggregatorName + ", please check if it valid.");
}
}
}
}
if (specificValueToAggregator.isEmpty() && specificValueToCompositeAggregator.isEmpty()) {
throw new IllegalArgumentException("No aggregations defined for the " + "following field combination " + combinationFields.toString());
}
for (CustomTimeBucket customTimeBucket : customTimeBucketsCombination) {
dimensionsDescriptorIDToValueToAggregator.add(specificValueToAggregator);
dimensionsDescriptorIDToValueToOTFAggregator.add(specificValueToOTFAggregator);
dimensionsDescriptorIDToValueToCompositeAggregator.add(specificValueToCompositeAggregator);
}
}
customTimeBucketsAll.clear();
customTimeBucketsAll.addAll(customTimeBucketsTotalSet);
Collections.sort(customTimeBucketsAll);
for (CustomTimeBucket customTimeBucket : customTimeBucketsAll) {
if (customTimeBucketRegistry.getTimeBucketId(customTimeBucket) == null) {
if (customTimeBucket.isUnit() || customTimeBucket.getTimeBucket() == TimeBucket.ALL) {
customTimeBucketRegistry.register(customTimeBucket, customTimeBucket.getTimeBucket().ordinal());
} else {
customTimeBucketRegistry.register(customTimeBucket);
}
}
}
// compute addition dimension and aggregator for composite aggregator
computeAdditionalDimensionForCompositeAggregators();
// DD ID To Aggregator To Aggregate Descriptor
dimensionsDescriptorIDToAggregatorToAggregateDescriptor = computeAggregatorToAggregateDescriptor(dimensionsDescriptorIDToValueToAggregator);
// DD ID To OTF Aggregator To Aggregator Descriptor
dimensionsDescriptorIDToOTFAggregatorToAggregateDescriptor = computeAggregatorToAggregateDescriptor(dimensionsDescriptorIDToValueToOTFAggregator);
dimensionsDescriptorIDToCompositeAggregatorToAggregateDescriptor = computeAggregatorToAggregateDescriptor(dimensionsDescriptorIDToValueToCompositeAggregator);
// Dimensions Descriptor To ID
dimensionsDescriptorToID = Maps.newHashMap();
for (int index = 0; index < dimensionsDescriptorIDToDimensionsDescriptor.size(); index++) {
dimensionsDescriptorToID.put(dimensionsDescriptorIDToDimensionsDescriptor.get(index), index);
}
// Build id maps
buildDimensionsDescriptorIDAggregatorIDMaps();
aggregatorRegistry.buildTopBottomAggregatorIDToAggregator();
// fulfill the embed ddids of composite aggregators
fulfillCompositeAggregatorExtraInfo();
}
Aggregations