Github user ottobackwards commented on a diff in the pull request:
https://github.com/apache/metron/pull/679#discussion_r131128135
--- Diff:
metron-platform/metron-elasticsearch/src/main/java/org/apache/metron/elasticsearch/dao/ElasticsearchDao.java
---
@@ -179,4 +206,43 @@ public void init(Map<String, Object> globalConfig,
AccessConfig config) {
return latestIndices.values().toArray(new
String[latestIndices.size()]);
}
+ public void addFacetFields(SearchSourceBuilder searchSourceBuilder,
List<String> fields) {
+ for(String field: fields) {
+ searchSourceBuilder = searchSourceBuilder.aggregation(new
TermsBuilder(getAggregationName(field)).field(field));
+ }
+ }
+
+ public Map<String, Map<String, Long>> getFacetCounts(List<String>
fields, Aggregations aggregations, Map<String, FieldType> commonColumnMetadata)
{
+ Map<String, Map<String, Long>> fieldCounts = new HashMap<>();
+ for (String field: fields) {
+ Map<String, Long> valueCounts = new HashMap<>();
+ Aggregation aggregation =
aggregations.get(getAggregationName(field));
+ if (aggregation instanceof LongTerms) {
+ LongTerms longTerms = (LongTerms) aggregation;
+ FieldType type = commonColumnMetadata.get(field);
+ if (FieldType.IP.equals(type)) {
+ longTerms.getBuckets().stream().forEach(bucket ->
valueCounts.put(IpFieldMapper.longToIp((Long) bucket.getKey()),
bucket.getDocCount()));
+ } else if (FieldType.BOOLEAN.equals(type)) {
+ longTerms.getBuckets().stream().forEach(bucket -> {
+ String key = (Long) bucket.getKey() == 1 ? "true" : "false";
+ valueCounts.put(key, bucket.getDocCount());
+ });
+ } else {
+ longTerms.getBuckets().stream().forEach(bucket ->
valueCounts.put(bucket.getKeyAsString(), bucket.getDocCount()));
+ }
+ } else if (aggregation instanceof DoubleTerms) {
+ DoubleTerms doubleTerms = (DoubleTerms) aggregation;
+ doubleTerms.getBuckets().stream().forEach(bucket ->
valueCounts.put(bucket.getKeyAsString(), bucket.getDocCount()));
+ } else if (aggregation instanceof StringTerms) {
+ StringTerms stringTerms = (StringTerms) aggregation;
+ stringTerms.getBuckets().stream().forEach(bucket ->
valueCounts.put(bucket.getKeyAsString(), bucket.getDocCount()));
+ }
+ fieldCounts.put(field, valueCounts);
--- End diff --
Are there any other *Terms here or does this cover our "Other" type?
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