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More refactors · feast-dev/feast-java-old@fe85f18 · GitHub

/ feast-java-old Public

Commit fe85f18

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felixwang9817
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More refactors
Signed-off-by: Felix Wang <wangfelix98@gmail.com>
1 parent d98a80d commit fe85f18

1 file changed

Lines changed: 56 additions & 34 deletions

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‎serving/src/main/java/feast/serving/service/OnlineServingServiceV2.java‎

Lines changed: 56 additions & 34 deletions
Original file line numberDiff line numberDiff line change
@@ -119,8 +119,7 @@ public GetOnlineFeaturesResponse getOnlineFeatures(GetOnlineFeaturesRequestV2 re
119119
.filter(r -> this.featureSpecRetriever.isOnDemandFeatureReference(r))
120120
.collect(Collectors.toList());
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122-
// Get the set of request data feature names from the ODFV references.
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// Also get the batch feature view references that the ODFVs require as inputs.
122+
// Get the set of request data feature names and feature inputs from the ODFV references.
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Pair<Set<String>, List<FeatureReferenceV2>> pair =
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extractRequestDataFeatureNamesAndOnDemandFeatureInputs(
126125
onDemandFeatureReferences, projectName);
@@ -137,38 +136,12 @@ public GetOnlineFeaturesResponse getOnlineFeatures(GetOnlineFeaturesRequestV2 re
137136
}
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139138
// Separate entity rows into entity data and request feature data.
139+
Pair<List<GetOnlineFeaturesRequestV2.EntityRow>, Map<String, List<ValueProto.Value>>>
140+
entityRowsAndRequestDataFeatures = separateEntityRows(requestDataFeatureNames, request);
140141
List<GetOnlineFeaturesRequestV2.EntityRow> entityRows =
141-
new ArrayList<GetOnlineFeaturesRequestV2.EntityRow>();
142+
entityRowsAndRequestDataFeatures.getLeft();
142143
Map<String, List<ValueProto.Value>> requestDataFeatures =
143-
new HashMap<String, List<ValueProto.Value>>();
144-
145-
for (GetOnlineFeaturesRequestV2.EntityRow entityRow : request.getEntityRowsList()) {
146-
Map<String, ValueProto.Value> fieldsMap = new HashMap<String, ValueProto.Value>();
147-
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for (Map.Entry<String, ValueProto.Value> entry : entityRow.getFieldsMap().entrySet()) {
149-
String key = entry.getKey();
150-
ValueProto.Value value = entry.getValue();
151-
152-
if (requestDataFeatureNames.contains(key)) {
153-
if (!requestDataFeatures.containsKey(key)) {
154-
requestDataFeatures.put(key, new ArrayList<ValueProto.Value>());
155-
}
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requestDataFeatures.get(key).add(value);
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} else {
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fieldsMap.put(key, value);
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}
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}
161-
162-
// Construct new entity row containing the extracted entity data, if necessary.
163-
if (!fieldsMap.isEmpty()) {
164-
GetOnlineFeaturesRequestV2.EntityRow newEntityRow =
165-
GetOnlineFeaturesRequestV2.EntityRow.newBuilder()
166-
.setTimestamp(entityRow.getTimestamp())
167-
.putAllFields(fieldsMap)
168-
.build();
169-
entityRows.add(newEntityRow);
170-
}
171-
}
144+
entityRowsAndRequestDataFeatures.getRight();
172145
// TODO: error checking on lengths of lists in entityRows and requestDataFeatures
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174147
// Extract values and statuses to be used later in constructing FieldValues for the response.
@@ -493,8 +466,6 @@ private void populateFeatureCountMetrics(
493466
private Pair<Set<String>, List<FeatureReferenceV2>>
494467
extractRequestDataFeatureNamesAndOnDemandFeatureInputs(
495468
List<FeatureReferenceV2> onDemandFeatureReferences, String projectName) {
496-
// Get the set of request data feature names from the ODFV references.
497-
// Also get the batch feature view references that the ODFVs require as inputs.
498469
Set<String> requestDataFeatureNames = new HashSet<String>();
499470
List<FeatureReferenceV2> onDemandFeatureInputs = new ArrayList<FeatureReferenceV2>();
500471
for (FeatureReferenceV2 featureReference : onDemandFeatureReferences) {
@@ -539,6 +510,57 @@ private void populateFeatureCountMetrics(
539510
return pair;
540511
}
541512

513+
/**
514+
* Separate the entity rows of a request into entity data and request feature data.
515+
*
516+
* @param requestDataFeatureNames set of feature names for the request data
517+
* @param request the GetOnlineFeaturesRequestV2 containing the entity rows
518+
* @return a pair containing the set of request data feature names and list of on demand feature
519+
* inputs
520+
*/
521+
private Pair<List<GetOnlineFeaturesRequestV2.EntityRow>, Map<String, List<ValueProto.Value>>>
522+
separateEntityRows(Set<String> requestDataFeatureNames, GetOnlineFeaturesRequestV2 request) {
523+
// Separate entity rows into entity data and request feature data.
524+
List<GetOnlineFeaturesRequestV2.EntityRow> entityRows =
525+
new ArrayList<GetOnlineFeaturesRequestV2.EntityRow>();
526+
Map<String, List<ValueProto.Value>> requestDataFeatures =
527+
new HashMap<String, List<ValueProto.Value>>();
528+
529+
for (GetOnlineFeaturesRequestV2.EntityRow entityRow : request.getEntityRowsList()) {
530+
Map<String, ValueProto.Value> fieldsMap = new HashMap<String, ValueProto.Value>();
531+
532+
for (Map.Entry<String, ValueProto.Value> entry : entityRow.getFieldsMap().entrySet()) {
533+
String key = entry.getKey();
534+
ValueProto.Value value = entry.getValue();
535+
536+
if (requestDataFeatureNames.contains(key)) {
537+
if (!requestDataFeatures.containsKey(key)) {
538+
requestDataFeatures.put(key, new ArrayList<ValueProto.Value>());
539+
}
540+
requestDataFeatures.get(key).add(value);
541+
} else {
542+
fieldsMap.put(key, value);
543+
}
544+
}
545+
546+
// Construct new entity row containing the extracted entity data, if necessary.
547+
if (!fieldsMap.isEmpty()) {
548+
GetOnlineFeaturesRequestV2.EntityRow newEntityRow =
549+
GetOnlineFeaturesRequestV2.EntityRow.newBuilder()
550+
.setTimestamp(entityRow.getTimestamp())
551+
.putAllFields(fieldsMap)
552+
.build();
553+
entityRows.add(newEntityRow);
554+
}
555+
}
556+
557+
Pair<List<GetOnlineFeaturesRequestV2.EntityRow>, Map<String, List<ValueProto.Value>>> pair =
558+
new ImmutablePair<
559+
List<GetOnlineFeaturesRequestV2.EntityRow>, Map<String, List<ValueProto.Value>>>(
560+
entityRows, requestDataFeatures);
561+
return pair;
562+
}
563+
542564
/**
543565
* Process a response from the feature transformation server by augmenting the given lists of
544566
* field maps and status maps with the correct fields from the response.

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