Examples with WindowReference org.apache.flink.table.runtime.groupwindow.WindowReference used on opensource projects

Example 1 with WindowReference

use of org.apache.flink.table.runtime.groupwindow.WindowReference in project flink by apache.

the class LogicalWindowJsonDeserializer method deserialize.

@Override
public LogicalWindow deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
    JsonNode jsonNode = jsonParser.readValueAsTree();
    String kind = jsonNode.get(FIELD_NAME_KIND).asText().toUpperCase();
    WindowReference alias = deserializationContext.readValue(jsonNode.get(FIELD_NAME_ALIAS).traverse(jsonParser.getCodec()), WindowReference.class);
    FieldReferenceExpression timeField = deserializeFieldReferenceExpression(jsonNode.get(FIELD_NAME_TIME_FIELD), jsonParser, deserializationContext);
    switch(kind) {
        case KIND_TUMBLING:
            boolean isTimeTumblingWindow = jsonNode.get(FIELD_NAME_IS_TIME_WINDOW).asBoolean();
            if (isTimeTumblingWindow) {
                Duration size = deserializationContext.readValue(traverse(jsonNode.get(FIELD_NAME_SIZE), jsonParser.getCodec()), Duration.class);
                return new TumblingGroupWindow(alias, timeField, new ValueLiteralExpression(size));
            } else {
                long size = jsonNode.get(FIELD_NAME_SIZE).asLong();
                return new TumblingGroupWindow(alias, timeField, new ValueLiteralExpression(size));
            }
        case KIND_SLIDING:
            boolean isTimeSlidingWindow = jsonNode.get(FIELD_NAME_IS_TIME_WINDOW).asBoolean();
            if (isTimeSlidingWindow) {
                Duration size = deserializationContext.readValue(traverse(jsonNode.get(FIELD_NAME_SIZE), jsonParser.getCodec()), Duration.class);
                Duration slide = deserializationContext.readValue(traverse(jsonNode.get(FIELD_NAME_SLIDE), jsonParser.getCodec()), Duration.class);
                return new SlidingGroupWindow(alias, timeField, new ValueLiteralExpression(size), new ValueLiteralExpression(slide));
            } else {
                long size = jsonNode.get(FIELD_NAME_SIZE).asLong();
                long slide = jsonNode.get(FIELD_NAME_SLIDE).asLong();
                return new SlidingGroupWindow(alias, timeField, new ValueLiteralExpression(size), new ValueLiteralExpression(slide));
            }
        case KIND_SESSION:
            Duration gap = deserializationContext.readValue(traverse(jsonNode.get(FIELD_NAME_GAP), jsonParser.getCodec()), Duration.class);
            return new SessionGroupWindow(alias, timeField, new ValueLiteralExpression(gap));
        default:
            throw new TableException("Unknown Logical Window:" + jsonNode);
    }
}

Example 2 with WindowReference

use of org.apache.flink.table.runtime.groupwindow.WindowReference in project flink by apache.

the class PythonStreamGroupWindowAggregateOperatorTest method getTestOperator.

@Override
OneInputStreamOperator getTestOperator(Configuration config) {
    long size = 10000L;
    long slide = 5000L;
    SlidingWindowAssigner windowAssigner = SlidingWindowAssigner.of(Duration.ofMillis(size), Duration.ofMillis(slide)).withEventTime();
    WindowReference windowRef = new WindowReference("w$", new TimestampType(3));
    return new PassThroughPythonStreamGroupWindowAggregateOperator(config, getInputType(), getOutputType(), new PythonAggregateFunctionInfo[] { new PythonAggregateFunctionInfo(PythonScalarFunctionOperatorTestBase.DummyPythonFunction.INSTANCE, new Integer[] { 2 }, -1, false) }, getGrouping(), -1, false, false, 3, windowAssigner, FlinkFnApi.GroupWindow.WindowType.SLIDING_GROUP_WINDOW, true, true, size, slide, 0L, 0L, new NamedWindowProperty[] { new NamedWindowProperty("start", new WindowStart(null)), new NamedWindowProperty("end", new WindowEnd(null)) }, UTC_ZONE_ID);
}

Example 3 with WindowReference

use of org.apache.flink.table.runtime.groupwindow.WindowReference in project flink by apache.

the class WindowReferenceJsonDeserializer method deserialize.

@Override
public WindowReference deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
    final JsonNode input = jsonParser.readValueAsTree();
    String name = input.get(FIELD_NAME_NAME).asText();
    LogicalType type = deserializationContext.readValue(input.get(FIELD_NAME_TYPE).traverse(jsonParser.getCodec()), LogicalType.class);
    return new WindowReference(name, type);
}