Examples with HoppingWindowExpression io.confluent.ksql.execution.windows.HoppingWindowExpression used on opensource projects

Example 1 with HoppingWindowExpression

use of io.confluent.ksql.execution.windows.HoppingWindowExpression in project ksql by confluentinc.

the class RewrittenAnalysis method getWindowExpression.

@Override
public Optional<WindowExpression> getWindowExpression() {
    final Optional<WindowExpression> windowExpression = original.getWindowExpression();
    final Optional<RefinementInfo> refinementInfo = original.getRefinementInfo();
    /* Return the original window expression, unless there is no grace period provided during a
    suppression, in which case we rewrite the window expression to have a default grace period
    of zero.
    */
    if (!(windowExpression.isPresent() && !windowExpression.get().getKsqlWindowExpression().getGracePeriod().isPresent() && refinementInfo.isPresent() && refinementInfo.get().getOutputRefinement() == OutputRefinement.FINAL)) {
        return original.getWindowExpression();
    }
    final WindowExpression window = original.getWindowExpression().get();
    final KsqlWindowExpression ksqlWindowNew;
    final KsqlWindowExpression ksqlWindowOld = window.getKsqlWindowExpression();
    final Optional<NodeLocation> location = ksqlWindowOld.getLocation();
    final Optional<WindowTimeClause> retention = ksqlWindowOld.getRetention();
    if (ksqlWindowOld instanceof HoppingWindowExpression) {
        ksqlWindowNew = new HoppingWindowExpression(location, ((HoppingWindowExpression) ksqlWindowOld).getSize(), ((HoppingWindowExpression) ksqlWindowOld).getAdvanceBy(), retention, Optional.of(zeroGracePeriod));
    } else if (ksqlWindowOld instanceof TumblingWindowExpression) {
        ksqlWindowNew = new TumblingWindowExpression(location, ((TumblingWindowExpression) ksqlWindowOld).getSize(), retention, Optional.of(zeroGracePeriod));
    } else if (ksqlWindowOld instanceof SessionWindowExpression) {
        ksqlWindowNew = new SessionWindowExpression(location, ((SessionWindowExpression) ksqlWindowOld).getGap(), retention, Optional.of(zeroGracePeriod));
    } else {
        throw new KsqlException("WINDOW type must be HOPPING, TUMBLING, or SESSION");
    }
    return Optional.of(new WindowExpression(original.getWindowExpression().get().getWindowName(), ksqlWindowNew));
}

Example 2 with HoppingWindowExpression

use of io.confluent.ksql.execution.windows.HoppingWindowExpression in project ksql by confluentinc.

the class StreamAggregateBuilderTest method givenHoppingWindowedAggregate.

private void givenHoppingWindowedAggregate() {
    givenTimeWindowedAggregate();
    windowedAggregate = new StreamWindowedAggregate(new ExecutionStepPropertiesV1(CTX), sourceStep, Formats.of(KEY_FORMAT, VALUE_FORMAT, SerdeFeatures.of(), SerdeFeatures.of()), NON_AGG_COLUMNS, FUNCTIONS, new HoppingWindowExpression(Optional.empty(), new WindowTimeClause(WINDOW.getSeconds(), TimeUnit.SECONDS), new WindowTimeClause(HOP.getSeconds(), TimeUnit.SECONDS), Optional.of(retentionClause), Optional.of(gracePeriodClause)));
}