Examples with WindowAssigner org.apache.flink.table.runtime.operators.window.assigners.WindowAssigner used on opensource projects

Example 1 with WindowAssigner

use of org.apache.flink.table.runtime.operators.window.assigners.WindowAssigner in project flink by apache.

the class StreamExecPythonGroupWindowAggregate method getGeneralPythonStreamGroupWindowAggregateFunctionOperator.

@SuppressWarnings({ "unchecked", "rawtypes" })
private OneInputStreamOperator<RowData, RowData> getGeneralPythonStreamGroupWindowAggregateFunctionOperator(Configuration config, RowType inputType, RowType outputType, WindowAssigner<?> windowAssigner, PythonAggregateFunctionInfo[] aggregateFunctions, DataViewSpec[][] dataViewSpecs, int inputTimeFieldIndex, int indexOfCountStar, boolean generateUpdateBefore, boolean countStarInserted, long allowance, ZoneId shiftTimeZone) {
    Class clazz = CommonPythonUtil.loadClass(GENERAL_STREAM_PYTHON_GROUP_WINDOW_AGGREGATE_FUNCTION_OPERATOR_NAME);
    boolean isRowTime = AggregateUtil.isRowtimeAttribute(window.timeAttribute());
    try {
        if (window instanceof TumblingGroupWindow) {
            ValueLiteralExpression size = ((TumblingGroupWindow) window).size();
            Method create = clazz.getMethod(GENERAL_STREAM_PYTHON_CREATE_TUMBLING_GROUP_WINDOW_METHOD, Configuration.class, RowType.class, RowType.class, PythonAggregateFunctionInfo[].class, DataViewSpec[][].class, int[].class, int.class, boolean.class, boolean.class, int.class, WindowAssigner.class, boolean.class, boolean.class, long.class, long.class, NamedWindowProperty[].class, ZoneId.class);
            return (OneInputStreamOperator<RowData, RowData>) create.invoke(null, config, inputType, outputType, aggregateFunctions, dataViewSpecs, grouping, indexOfCountStar, generateUpdateBefore, countStarInserted, inputTimeFieldIndex, windowAssigner, isRowTime, AggregateUtil.hasTimeIntervalType(size), AggregateUtil.toDuration(size).toMillis(), allowance, namedWindowProperties, shiftTimeZone);
        } else if (window instanceof SlidingGroupWindow) {
            ValueLiteralExpression size = ((SlidingGroupWindow) window).size();
            ValueLiteralExpression slide = ((SlidingGroupWindow) window).slide();
            Method create = clazz.getMethod(GENERAL_STREAM_PYTHON_CREATE_SLIDING_GROUP_WINDOW_METHOD, Configuration.class, RowType.class, RowType.class, PythonAggregateFunctionInfo[].class, DataViewSpec[][].class, int[].class, int.class, boolean.class, boolean.class, int.class, WindowAssigner.class, boolean.class, boolean.class, long.class, long.class, long.class, NamedWindowProperty[].class, ZoneId.class);
            return (OneInputStreamOperator<RowData, RowData>) create.invoke(null, config, inputType, outputType, aggregateFunctions, dataViewSpecs, grouping, indexOfCountStar, generateUpdateBefore, countStarInserted, inputTimeFieldIndex, windowAssigner, isRowTime, AggregateUtil.hasTimeIntervalType(size), AggregateUtil.toDuration(size).toMillis(), AggregateUtil.toDuration(slide).toMillis(), allowance, namedWindowProperties, shiftTimeZone);
        } else if (window instanceof SessionGroupWindow) {
            ValueLiteralExpression gap = ((SessionGroupWindow) window).gap();
            Method create = clazz.getMethod(GENERAL_STREAM_PYTHON_CREATE_SESSION_GROUP_WINDOW_METHOD, Configuration.class, RowType.class, RowType.class, PythonAggregateFunctionInfo[].class, DataViewSpec[][].class, int[].class, int.class, boolean.class, boolean.class, int.class, WindowAssigner.class, boolean.class, long.class, long.class, NamedWindowProperty[].class, ZoneId.class);
            return (OneInputStreamOperator<RowData, RowData>) create.invoke(null, config, inputType, outputType, aggregateFunctions, dataViewSpecs, grouping, indexOfCountStar, generateUpdateBefore, countStarInserted, inputTimeFieldIndex, windowAssigner, isRowTime, AggregateUtil.toDuration(gap).toMillis(), allowance, namedWindowProperties, shiftTimeZone);
        }
    } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
        throw new TableException("Python PythonStreamGroupWindowAggregateOperator constructed failed.", e);
    }
    throw new RuntimeException(String.format("Unsupported LogicWindow Type %s", window));
}

Example 2 with WindowAssigner

use of org.apache.flink.table.runtime.operators.window.assigners.WindowAssigner in project flink by apache.

the class StreamExecPythonGroupWindowAggregate method translateToPlanInternal.

@SuppressWarnings("unchecked")
@Override
protected Transformation<RowData> translateToPlanInternal(PlannerBase planner, ExecNodeConfig config) {
    final boolean isCountWindow;
    if (window instanceof TumblingGroupWindow) {
        isCountWindow = hasRowIntervalType(((TumblingGroupWindow) window).size());
    } else if (window instanceof SlidingGroupWindow) {
        isCountWindow = hasRowIntervalType(((SlidingGroupWindow) window).size());
    } else {
        isCountWindow = false;
    }
    if (isCountWindow && grouping.length > 0 && config.getStateRetentionTime() < 0) {
        LOGGER.warn("No state retention interval configured for a query which accumulates state." + " Please provide a query configuration with valid retention interval to" + " prevent excessive state size. You may specify a retention time of 0 to" + " not clean up the state.");
    }
    final ExecEdge inputEdge = getInputEdges().get(0);
    final Transformation<RowData> inputTransform = (Transformation<RowData>) inputEdge.translateToPlan(planner);
    final RowType inputRowType = (RowType) inputEdge.getOutputType();
    final RowType outputRowType = InternalTypeInfo.of(getOutputType()).toRowType();
    final int inputTimeFieldIndex;
    if (isRowtimeAttribute(window.timeAttribute())) {
        inputTimeFieldIndex = timeFieldIndex(FlinkTypeFactory.INSTANCE().buildRelNodeRowType(inputRowType), planner.getRelBuilder(), window.timeAttribute());
        if (inputTimeFieldIndex < 0) {
            throw new TableException("Group window must defined on a time attribute, " + "but the time attribute can't be found.\n" + "This should never happen. Please file an issue.");
        }
    } else {
        inputTimeFieldIndex = -1;
    }
    final ZoneId shiftTimeZone = TimeWindowUtil.getShiftTimeZone(window.timeAttribute().getOutputDataType().getLogicalType(), config.getLocalTimeZone());
    Tuple2<WindowAssigner<?>, Trigger<?>> windowAssignerAndTrigger = generateWindowAssignerAndTrigger();
    WindowAssigner<?> windowAssigner = windowAssignerAndTrigger.f0;
    Trigger<?> trigger = windowAssignerAndTrigger.f1;
    Configuration pythonConfig = CommonPythonUtil.getMergedConfig(planner.getExecEnv(), config.getTableConfig());
    boolean isGeneralPythonUDAF = Arrays.stream(aggCalls).anyMatch(x -> PythonUtil.isPythonAggregate(x, PythonFunctionKind.GENERAL));
    OneInputTransformation<RowData, RowData> transform;
    WindowEmitStrategy emitStrategy = WindowEmitStrategy.apply(config, window);
    if (isGeneralPythonUDAF) {
        final boolean[] aggCallNeedRetractions = new boolean[aggCalls.length];
        Arrays.fill(aggCallNeedRetractions, needRetraction);
        final AggregateInfoList aggInfoList = transformToStreamAggregateInfoList(inputRowType, JavaScalaConversionUtil.toScala(Arrays.asList(aggCalls)), aggCallNeedRetractions, needRetraction, true, true);
        transform = createGeneralPythonStreamWindowGroupOneInputTransformation(inputTransform, inputRowType, outputRowType, inputTimeFieldIndex, windowAssigner, aggInfoList, emitStrategy.getAllowLateness(), pythonConfig, shiftTimeZone);
    } else {
        transform = createPandasPythonStreamWindowGroupOneInputTransformation(inputTransform, inputRowType, outputRowType, inputTimeFieldIndex, windowAssigner, trigger, emitStrategy.getAllowLateness(), pythonConfig, config, shiftTimeZone);
    }
    if (CommonPythonUtil.isPythonWorkerUsingManagedMemory(pythonConfig)) {
        transform.declareManagedMemoryUseCaseAtSlotScope(ManagedMemoryUseCase.PYTHON);
    }
    // set KeyType and Selector for state
    final RowDataKeySelector selector = KeySelectorUtil.getRowDataSelector(grouping, InternalTypeInfo.of(inputRowType));
    transform.setStateKeySelector(selector);
    transform.setStateKeyType(selector.getProducedType());
    return transform;
}