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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2022/08/22 03:32:36 UTC
[GitHub] [rocketmq-flink] duhenglucky commented on a diff in pull request #50: Supports the 'startMessageOffset' option for RocketMQSourceFunction
duhenglucky commented on code in PR #50:
URL: https://github.com/apache/rocketmq-flink/pull/50#discussion_r950984137
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src/main/java/org/apache/rocketmq/flink/legacy/RocketMQSourceFunction.java:
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@@ -357,32 +361,37 @@ private long getMessageQueueOffset(MessageQueue mq) throws MQClientException {
// restoredOffsets(unionOffsetStates) is the restored global union state;
// should only snapshot mqs that actually belong to us
if (offset == null) {
- // fetchConsumeOffset from broker
- offset = consumer.fetchConsumeOffset(mq, false);
- if (!restored || offset < 0) {
- String initialOffset =
- props.getProperty(
- RocketMQConfig.CONSUMER_OFFSET_RESET_TO, CONSUMER_OFFSET_LATEST);
- switch (initialOffset) {
- case CONSUMER_OFFSET_EARLIEST:
- offset = consumer.minOffset(mq);
- break;
- case CONSUMER_OFFSET_LATEST:
- offset = consumer.maxOffset(mq);
- break;
- case CONSUMER_OFFSET_TIMESTAMP:
- offset =
- consumer.searchOffset(
- mq,
- getLong(
- props,
- RocketMQConfig.CONSUMER_OFFSET_FROM_TIMESTAMP,
- System.currentTimeMillis()));
- break;
- default:
- throw new IllegalArgumentException(
- "Unknown value for CONSUMER_OFFSET_RESET_TO.");
+ if (startMessageOffset == OPTIONAL_START_MESSAGE_OFFSET.defaultValue()) {
Review Comment:
Minimize iteration depth
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