How to use

getWindowDurationMs

method

in

org.apache.samza.sql.runner.SamzaSqlApplicationConfig

void translate(final LogicalAggregate aggregate, final TranslatorContext context) {
 validateAggregateFunctions(aggregate);
 MessageStream<SamzaSqlRelMessage> inputStream = context.getMessageStream(aggregate.getInput().getId());
 // At this point, the assumption is that only count function is supported.
 SupplierFunction<Long> initialValue = () -> (long) 0;
 FoldLeftFunction<SamzaSqlRelMessage, Long> foldCountFn = (m, c) -> c + 1;
 final ArrayList<String> aggFieldNames = getAggFieldNames(aggregate);
 MessageStream<SamzaSqlRelMessage> outputStream =
   inputStream
     .window(Windows.keyedTumblingWindow(m -> m,
       Duration.ofMillis(context.getExecutionContext().getSamzaSqlApplicationConfig().getWindowDurationMs()),
       initialValue,
       foldCountFn,
       new SamzaSqlRelMessageSerdeFactory.SamzaSqlRelMessageSerde(),
       new LongSerde())
       .setAccumulationMode(AccumulationMode.DISCARDING), "tumblingWindow_" + windowId)
     .map(windowPane -> {
       List<String> fieldNames = windowPane.getKey().getKey().getSamzaSqlRelRecord().getFieldNames();
       List<Object> fieldValues = windowPane.getKey().getKey().getSamzaSqlRelRecord().getFieldValues();
       fieldNames.add(aggFieldNames.get(0));
       fieldValues.add(windowPane.getMessage());
       return new SamzaSqlRelMessage(fieldNames, fieldValues);
      });
 context.registerMessageStream(aggregate.getId(), outputStream);
}

void translate(final LogicalAggregate aggregate, final TranslatorContext context) {
 validateAggregateFunctions(aggregate);
 MessageStream<SamzaSqlRelMessage> inputStream = context.getMessageStream(aggregate.getInput().getId());
 // At this point, the assumption is that only count function is supported.
 SupplierFunction<Long> initialValue = () -> (long) 0;
 FoldLeftFunction<SamzaSqlRelMessage, Long> foldCountFn = (m, c) -> c + 1;
 final ArrayList<String> aggFieldNames = getAggFieldNames(aggregate);
 MessageStream<SamzaSqlRelMessage> outputStream =
   inputStream
     .map(new TranslatorInputMetricsMapFunction(logicalOpId))
     .window(Windows.keyedTumblingWindow(m -> m,
       Duration.ofMillis(context.getExecutionContext().getSamzaSqlApplicationConfig().getWindowDurationMs()),
       initialValue,
       foldCountFn,
       new SamzaSqlRelMessageSerdeFactory.SamzaSqlRelMessageSerde(),
       new LongSerde())
       .setAccumulationMode(
         AccumulationMode.DISCARDING), changeLogStorePrefix + "_tumblingWindow_" + logicalOpId)
     .map(windowPane -> {
       List<String> fieldNames = windowPane.getKey().getKey().getSamzaSqlRelRecord().getFieldNames();
       List<Object> fieldValues = windowPane.getKey().getKey().getSamzaSqlRelRecord().getFieldValues();
       fieldNames.add(aggFieldNames.get(0));
       fieldValues.add(windowPane.getMessage());
       return new SamzaSqlRelMessage(fieldNames, fieldValues, new SamzaSqlRelMsgMetadata("", "", ""));
      });
 context.registerMessageStream(aggregate.getId(), outputStream);
 outputStream.map(new TranslatorOutputMetricsMapFunction(logicalOpId));
}