z3d1k commented on code in PR #85:
URL:
https://github.com/apache/flink-connector-aws/pull/85#discussion_r1247896610
##########
flink-connector-dynamodb/src/test/java/org/apache/flink/connector/dynamodb/sink/DynamoDbSinkWriterTest.java:
##########
@@ -68,17 +69,19 @@ public class DynamoDbSinkWriterTest {
public void testSuccessfulRequestWithNoDeduplication() throws Exception {
List<String> overwriteByPartitionKeys = Collections.emptyList();
List<DynamoDbWriteRequest> inputRequests =
- ImmutableList.of(
- sinkPutRequest(item("pk", "1")),
- sinkPutRequest(item("pk", "2")),
- sinkDeleteRequest(item("pk", "3")),
- sinkDeleteRequest(item("pk", "4")));
+ Stream.of(
+ sinkPutRequest(item("pk", "1")),
+ sinkPutRequest(item("pk", "2")),
+ sinkDeleteRequest(item("pk", "3")),
+ sinkDeleteRequest(item("pk", "4")))
+ .collect(toList());
Review Comment:
nit: Here and in other places - using `Arrays.asList(...)` instead of
`Stream.of(...).collect(toList())` can be better as we don't need to through
Stream to create list.
##########
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.
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