eduwercamacaro commented on code in PR #20403:
URL: https://github.com/apache/kafka/pull/20403#discussion_r2330605579
##########
streams/src/main/java/org/apache/kafka/streams/processor/internals/StreamTask.java:
##########
@@ -1104,11 +1104,18 @@ private void initializeTopology() {
// initialize the task by initializing all its processor nodes in the
topology
log.trace("Initializing processor nodes of the topology");
for (final ProcessorNode<?, ?, ?, ?> node : topology.processors()) {
- processorContext.setCurrentNode(node);
+ final ProcessorRecordContext recordContext = new
ProcessorRecordContext(
+ time.milliseconds(),
Review Comment:
You are right; if the init method executes for a long time, all records will
have the same timestamp. That’s an excellent point.
I would say that using the same timestamp for every record stored during the
init method execution is not very accurate.
I like your idea of providing a function that returns the current timestamp,
but I believe we should add a specialized class (let’s say
`InitProcessorRecordContext`) that extends from ProcessorRecordContext, so the
normal record processing won’t have any impact because we will use the
InitProcessorRecordContext just for the init method.
##########
streams/src/main/java/org/apache/kafka/streams/processor/internals/StreamTask.java:
##########
@@ -1104,11 +1104,18 @@ private void initializeTopology() {
// initialize the task by initializing all its processor nodes in the
topology
log.trace("Initializing processor nodes of the topology");
for (final ProcessorNode<?, ?, ?, ?> node : topology.processors()) {
- processorContext.setCurrentNode(node);
+ final ProcessorRecordContext recordContext = new
ProcessorRecordContext(
+ time.milliseconds(),
Review Comment:
I'm thinking in something like this:
```java
public class InitProcessorRecordContext extends ProcessorRecordContext {
....
public InitProcessorRecordContext(Time time) {
super(time.milliseconds(), -1, -1, null, new RecordHeaders());
this.time = time;
}
@Override
public long timestamp() {
return time.milliseconds();
}
}
```
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