tpalfy commented on a change in pull request #5482:
URL: https://github.com/apache/nifi/pull/5482#discussion_r745715413
##########
File path:
nifi-nar-bundles/nifi-mongodb-bundle/nifi-mongodb-processors/src/main/java/org/apache/nifi/processors/mongodb/PutMongoRecord.java
##########
@@ -190,4 +303,49 @@ private List convertArrays(Object[] input) {
return retVal;
}
+
+ private Bson[] buildFilters(Map<String, List<String>>
updateKeyFieldPathToFieldChain, Document readyToUpsert) {
+ Bson[] filters = updateKeyFieldPathToFieldChain.entrySet()
+ .stream()
+ .map(updateKeyFieldPath__fieldChain -> {
+ String fieldPath = updateKeyFieldPath__fieldChain.getKey();
+ List<String> fieldChain =
updateKeyFieldPath__fieldChain.getValue();
+
+ Object value = readyToUpsert;
+ String previousField = null;
+ for (String field : fieldChain) {
+ if (!(value instanceof Map)) {
+ throw new ProcessException("field '" + previousField +
"' (from field expression '" + fieldPath + "') is not an embedded document");
+ }
+
+ value = ((Map) value).get(field);
+
+ if (value == null) {
+ throw new ProcessException("field '" + field + "'
(from field expression '" + fieldPath + "') has no value");
+ }
+
+ previousField = field;
+ }
+
+ Bson filter = Filters.eq(fieldPath, value);
+ return filter;
+ })
+ .collect(Collectors.toList())
+ .toArray(new Bson[0]);
+
+ return filters;
+ }
+
+ private boolean updateModeIs(String updateValueToMatch, ProcessContext
context, FlowFile flowFile) {
Review comment:
This method is currently called like this:
```java
if (updateModeIs(UPDATE_ONE.getValue(), context, flowFile)) {
...
} else if (updateModeIs(UPDATE_MANY.getValue(), context, flowFile)) {
```
With your suggestion it would look like this:
```java
if (updateModeToMatch(UPDATE_ONE.getValue(), context, flowFile)) {
...
} else if (updateModeToMatch(UPDATE_MANY.getValue(), context, flowFile)) {
```
I think the current one is better.
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