z3d1k commented on code in PR #85:
URL:
https://github.com/apache/flink-connector-aws/pull/85#discussion_r1247902814
##########
flink-connector-dynamodb/src/main/java/org/apache/flink/connector/dynamodb/table/DynamoDbDynamicSinkFactory.java:
##########
@@ -72,6 +70,10 @@ public String factoryIdentifier() {
@Override
public Set<ConfigOption<?>> requiredOptions() {
- return ImmutableSet.of(TABLE_NAME, AWS_REGION);
+ final Set<ConfigOption<?>> requiredOptions = new HashSet<>();
+ requiredOptions.add(TABLE_NAME);
+ requiredOptions.add(AWS_REGION);
+
+ return requiredOptions;
Review Comment:
~~Is this set available for external modification? If yes -
`Collections.unmodifiableSet(requiredOptions)` can be used to preserve
semantics of immutable collection.~~ not applicable as only available from java
10
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