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Diffstat (limited to 'src/client/northstar/model/ModelHelpers.ts')
| -rw-r--r-- | src/client/northstar/model/ModelHelpers.ts | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/src/client/northstar/model/ModelHelpers.ts b/src/client/northstar/model/ModelHelpers.ts new file mode 100644 index 000000000..d0711fb69 --- /dev/null +++ b/src/client/northstar/model/ModelHelpers.ts @@ -0,0 +1,215 @@ + +import { action } from "mobx"; +import { AggregateFunction, AggregateKey, AggregateParameters, AttributeColumnParameters, AttributeParameters, AverageAggregateParameters, Bin, BinningParameters, Brush, BrushEnum, CountAggregateParameters, DataType, EquiWidthBinningParameters, HistogramResult, MarginAggregateParameters, SingleBinBinningParameters, SingleDimensionAggregateParameters, SumAggregateParameters, AggregateBinRange, NominalBinRange, AlphabeticBinRange, Predicate, Schema, Attribute, AttributeGroup, Exception, AttributeBackendParameters, AttributeCodeParameters } from '../model/idea/idea'; +import { ValueComparison } from "../core/filter/ValueComparision"; +import { ArrayUtil } from "../utils/ArrayUtil"; +import { AttributeModel, ColumnAttributeModel, BackendAttributeModel, CodeAttributeModel } from "../core/attribute/AttributeModel"; +import { FilterModel } from "../core/filter/FilterModel"; +import { AlphabeticVisualBinRange } from "./binRanges/AlphabeticVisualBinRange"; +import { NominalVisualBinRange } from "./binRanges/NominalVisualBinRange"; +import { VisualBinRangeHelper } from "./binRanges/VisualBinRangeHelper"; +import { AttributeTransformationModel } from "../core/attribute/AttributeTransformationModel"; +import { CurrentUserUtils } from "../../../server/authentication/models/current_user_utils"; + +export class ModelHelpers { + + public static CreateAggregateKey(distinctAttributeParameters: AttributeParameters | undefined, atm: AttributeTransformationModel, histogramResult: HistogramResult, + brushIndex: number, aggParameters?: SingleDimensionAggregateParameters): AggregateKey { + { + if (aggParameters == undefined) { + aggParameters = ModelHelpers.GetAggregateParameter(distinctAttributeParameters, atm); + } + else { + aggParameters.attributeParameters = ModelHelpers.GetAttributeParameters(atm.AttributeModel); + } + return new AggregateKey( + { + aggregateParameterIndex: ModelHelpers.GetAggregateParametersIndex(histogramResult, aggParameters), + brushIndex: brushIndex + }); + } + } + + public static GetAggregateParametersIndex(histogramResult: HistogramResult, aggParameters?: AggregateParameters): number { + return ArrayUtil.IndexOfWithEqual(histogramResult.aggregateParameters!, aggParameters); + } + + public static GetAggregateParameter(distinctAttributeParameters: AttributeParameters | undefined, atm: AttributeTransformationModel): AggregateParameters | undefined { + var aggParam: AggregateParameters | undefined; + if (atm.AggregateFunction === AggregateFunction.Avg) { + var avg = new AverageAggregateParameters(); + avg.attributeParameters = ModelHelpers.GetAttributeParameters(atm.AttributeModel); + avg.distinctAttributeParameters = distinctAttributeParameters; + aggParam = avg; + } + else if (atm.AggregateFunction === AggregateFunction.Count) { + var cnt = new CountAggregateParameters(); + cnt.attributeParameters = ModelHelpers.GetAttributeParameters(atm.AttributeModel); + cnt.distinctAttributeParameters = distinctAttributeParameters; + aggParam = cnt; + } + else if (atm.AggregateFunction === AggregateFunction.Sum) { + var sum = new SumAggregateParameters(); + sum.attributeParameters = ModelHelpers.GetAttributeParameters(atm.AttributeModel); + sum.distinctAttributeParameters = distinctAttributeParameters; + aggParam = sum; + } + return aggParam; + } + + public static GetAggregateParametersWithMargins(distinctAttributeParameters: AttributeParameters | undefined, atms: Array<AttributeTransformationModel>): Array<AggregateParameters> { + var aggregateParameters = new Array<AggregateParameters>(); + atms.forEach(agg => { + var aggParams = ModelHelpers.GetAggregateParameter(distinctAttributeParameters, agg); + if (aggParams) { + aggregateParameters.push(aggParams); + + var margin = new MarginAggregateParameters() + margin.aggregateFunction = agg.AggregateFunction; + margin.attributeParameters = ModelHelpers.GetAttributeParameters(agg.AttributeModel); + margin.distinctAttributeParameters = distinctAttributeParameters; + aggregateParameters.push(margin); + } + }); + + return aggregateParameters; + } + + public static GetBinningParameters(attr: AttributeTransformationModel, nrOfBins: number, minvalue?: number, maxvalue?: number): BinningParameters { + if (attr.AggregateFunction === AggregateFunction.None) { + return new EquiWidthBinningParameters( + { + attributeParameters: ModelHelpers.GetAttributeParameters(attr.AttributeModel), + requestedNrOfBins: nrOfBins, + minValue: minvalue, + maxValue: maxvalue + }); + } + else { + return new SingleBinBinningParameters( + { + attributeParameters: ModelHelpers.GetAttributeParameters(attr.AttributeModel) + }); + } + } + + public static GetAttributeParametersFromAttributeModel(am: AttributeModel): AttributeParameters { + if (am instanceof ColumnAttributeModel) { + return new AttributeColumnParameters( + { + rawName: am.CodeName, + visualizationHints: am.VisualizationHints + }); + } + else if (am instanceof BackendAttributeModel) { + return new AttributeBackendParameters( + { + rawName: am.CodeName, + visualizationHints: am.VisualizationHints, + id: (am as BackendAttributeModel).Id + }); + } + else if (am instanceof CodeAttributeModel) { + return new AttributeCodeParameters( + { + rawName: am.CodeName, + visualizationHints: am.VisualizationHints, + code: (am as CodeAttributeModel).Code + }); + } + else { + throw new Exception() + } + } + + public static GetAttributeParameters(am: AttributeModel): AttributeParameters { + return this.GetAttributeParametersFromAttributeModel(am); + } + + public static OverlapBrushIndex(histogramResult: HistogramResult): number { + var brush = ArrayUtil.First(histogramResult.brushes!, (b: any) => b.brushEnum === BrushEnum.Overlap); + return ModelHelpers.GetBrushIndex(histogramResult, brush); + } + + public static AllBrushIndex(histogramResult: HistogramResult): number { + var brush = ArrayUtil.First(histogramResult.brushes!, (b: any) => b.brushEnum === BrushEnum.All); + return ModelHelpers.GetBrushIndex(histogramResult, brush); + } + + public static RestBrushIndex(histogramResult: HistogramResult): number { + var brush = ArrayUtil.First(histogramResult.brushes!, (b: Brush) => b.brushEnum === BrushEnum.Rest); + return ModelHelpers.GetBrushIndex(histogramResult, brush); + } + + public static GetBrushIndex(histogramResult: HistogramResult, brush: Brush): number { + return ArrayUtil.IndexOfWithEqual(histogramResult.brushes!, brush); + } + + public static GetAggregateResult(bin: Bin, aggregateKey: AggregateKey) { + if (aggregateKey.aggregateParameterIndex == -1 || aggregateKey.brushIndex == -1) { + return null; + } + return bin.aggregateResults![aggregateKey.aggregateParameterIndex! * bin.ySize! + aggregateKey.brushIndex!]; + } + + @action + public static PossibleAggegationFunctions(atm: AttributeTransformationModel): Array<AggregateFunction> { + var ret = new Array<AggregateFunction>(); + ret.push(AggregateFunction.None); + ret.push(AggregateFunction.Count); + if (atm.AttributeModel.DataType == DataType.Float || + atm.AttributeModel.DataType == DataType.Double || + atm.AttributeModel.DataType == DataType.Int) { + ret.push(AggregateFunction.Avg); + ret.push(AggregateFunction.Sum); + } + return ret; + } + + public static GetBinFilterModel( + bin: Bin, brushIndex: number, histogramResult: HistogramResult, + xAom: AttributeTransformationModel, yAom: AttributeTransformationModel): FilterModel { + var dimensions: Array<AttributeTransformationModel> = [xAom, yAom]; + var filterModel = new FilterModel(); + + for (var i = 0; i < histogramResult.binRanges!.length; i++) { + if (!(histogramResult.binRanges![i] instanceof AggregateBinRange)) { + var binRange = VisualBinRangeHelper.GetNonAggregateVisualBinRange(histogramResult.binRanges![i]); + var dataFrom = binRange.GetValueFromIndex(bin.binIndex!.indices![i]); + var dataTo = binRange.AddStep(dataFrom); + + if (binRange instanceof NominalVisualBinRange) { + var tt = binRange.GetLabel(dataFrom); + filterModel.ValueComparisons.push(new ValueComparison(dimensions[i].AttributeModel, Predicate.EQUALS, tt)); + } + else if (binRange instanceof AlphabeticVisualBinRange) { + filterModel.ValueComparisons.push(new ValueComparison(dimensions[i].AttributeModel, Predicate.STARTS_WITH, + binRange.GetLabel(dataFrom))); + } + else { + filterModel.ValueComparisons.push(new ValueComparison(dimensions[i].AttributeModel, Predicate.GREATER_THAN_EQUAL, dataFrom)); + filterModel.ValueComparisons.push(new ValueComparison(dimensions[i].AttributeModel, Predicate.LESS_THAN, dataTo)); + } + } + } + + return filterModel; + } + + public GetAllAttributes(schema: Schema) { + if (!schema || !schema.rootAttributeGroup) { + return []; + } + const recurs = (attrs: Attribute[], g: AttributeGroup) => { + if (g.attributes) { + attrs.push.apply(attrs, g.attributes); + if (g.attributeGroups) { + g.attributeGroups.forEach(ng => recurs(attrs, ng)); + } + } + }; + const allAttributes: Attribute[] = new Array<Attribute>(); + recurs(allAttributes, schema.rootAttributeGroup); + return allAttributes; + } +}
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