Abacn commented on issue #21882:
URL: https://github.com/apache/beam/issues/21882#issuecomment-1182167349
Not familiar with kotlin, but cannot reproduce this with Java code snippet,
using either release-2.39.0 or master. Setting a log in the referred method,
confirmed that the method was evaluated.
```java
@Test
public void TestWriteUsingWindow() throws Exception {
String tableName = DatabaseTestHelper.getTestTableName("UT_WRITE");
DatabaseTestHelper.createTable(DATA_SOURCE, tableName);
pipeline.apply("Generate Periodic Impulse",
PeriodicImpulse.create().startAt(Instant.now()).stopAt(Instant.now().plus(Duration.standardSeconds(14))).withInterval(Duration.standardSeconds(5)))
.apply("Generate Records", ParDo.of(
new DoFn<Instant, KV<Integer, String>>() {
@ProcessElement
public void processElement(ProcessContext context) {
ArrayList<KV<Integer, String>> data = getDataToWrite(10);
for(KV<Integer, String> datum: data) {
context.output(datum);
}
}
}))
.apply(
"WaitForLines",
Window.<KV<Integer,
String>>into(FixedWindows.of(Duration.standardSeconds(5)))
.triggering(AfterWatermark.pastEndOfWindow())
.discardingFiredPanes()
.withAllowedLateness(Duration.ZERO))
.apply(getJdbcWrite(tableName));
pipeline.run();
assertRowCount(DATA_SOURCE, tableName, 3*10);
DatabaseTestHelper.deleteTable(DATA_SOURCE, tableName);
}
```
Likely due to compiler not correctly infer the signature of
`FinishBundleContext.output` here? In DoFn class it has a type of
BoundedWindow. Both GlobalWindow and IntervalWindow can be cast to
BoundedWindow.
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