dlg99 commented on a change in pull request #10498:
URL: https://github.com/apache/pulsar/pull/10498#discussion_r630431285
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File path:
pulsar-functions/instance/src/main/java/org/apache/pulsar/functions/instance/ContextImpl.java
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@@ -706,4 +710,41 @@ public void close() {
logger.warn("Failed to close producers", e);
}
}
+
+ @Override
+ public void seek(String topic, int partition, MessageId messageId) throws
PulsarClientException {
+ Consumer<?> consumer = getConsumer(topic);
+ final MessageId msgId;
+ if (partition == 0) {
+ msgId = messageId;
+ } else {
+ TopicName topicName = TopicName.get(topic);
+ msgId = new TopicMessageIdImpl(
+ topicName.getPartition(partition).toString(),
topicName.toString(), messageId);
+ }
+ consumer.seek(msgId);
+ }
+
+ @Override
+ public void pause(String topic) throws PulsarClientException {
+ getConsumer(topic).pause();
+ }
+
+ @Override
+ public void resume(String topic) throws PulsarClientException {
+ getConsumer(topic).resume();
+ }
+
+ @Override
+ public void setConsumerGetter(java.util.function.Function<String,
Consumer<?>> getConsumerFunc) {
+ this.getConsumerFunc = getConsumerFunc;
+ }
+
+ private Consumer<?> getConsumer(String topic) throws PulsarClientException
{
+ if (getConsumerFunc == null) {
+ throw new PulsarClientException("Getting consumer is not
supported");
+ }
+ return getConsumerFunc.apply(topic);
Review comment:
I'll make it return Optional
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