Github user srdo commented on a diff in the pull request:
https://github.com/apache/storm/pull/1808#discussion_r97367473
--- Diff:
external/storm-kafka-client/src/main/java/org/apache/storm/kafka/spout/TopicPartitionComparator.java
---
@@ -1,16 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
package org.apache.storm.kafka.spout;
-import org.apache.kafka.common.TopicPartition;
-
import java.util.Comparator;
+import org.apache.kafka.common.TopicPartition;
+
public class TopicPartitionComparator implements
Comparator<TopicPartition> {
- @Override
- public int compare(TopicPartition o1, TopicPartition o2) {
- if (!o1.topic().equals(o2.topic())) {
- return o1.topic().compareTo(o2.topic());
- } else {
- return o1.partition() - o2.partition();
- }
- }
+ public static final TopicPartitionComparator INSTANCE = new
TopicPartitionComparator();
--- End diff --
@hmcl Neat, hadn't considered those arguments for using enum.
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