initial

2 files changed, 285 insertions, 0 deletions

diff --git a/src/client/northstar/operations/BaseOperation.ts b/src/client/northstar/operations/BaseOperation.ts
new file mode 100644
index 000000000..4c0303a48
--- /dev/null
+++ b/src/client/northstar/operations/BaseOperation.ts
@@ -0,0 +1,174 @@
+import { FilterModel } from '../core/filter/FilterModel'
+import { ErrorResult, Exception, OperationParameters, OperationReference, Result, ResultParameters } from '../model/idea/idea';
+import { action, computed, observable } from "mobx";
+import { Gateway } from '../manager/Gateway';
+
+export abstract class BaseOperation {
+    private _interactionTimeoutId: number = 0;
+    private static _currentOperations: Map<number, PollPromise> = new Map<number, PollPromise>();
+    //public InteractionTimeout: EventDelegate<InteractionTimeoutEventArgs> = new EventDelegate<InteractionTimeoutEventArgs>();
+
+    @observable public Error: string = "";
+    @observable public OverridingFilters: FilterModel[] = [];
+    @observable public Result: Result | undefined;
+    @observable public ComputationStarted: boolean = false;
+    public OperationReference: OperationReference | undefined = undefined;
+
+    private static _nextId = 0;
+    public RequestSalt: string = "";
+    public Id: number;
+
+    constructor() {
+        this.Id = BaseOperation._nextId++;
+    }
+
+    @computed
+    public get FilterString(): string {
+
+        // if (this.OverridingFilters.length > 0) {
+        //     return "(" + this.OverridingFilters.filter(fm => fm != null).map(fm => fm.ToPythonString()).join(" || ") + ")";
+        // }
+        // let rdg = MainManager.Instance.MainViewModel.FilterReverseDependencyGraph;
+        // let sliceModel = this.TypedViewModel.IncomingSliceModel;
+        // if (sliceModel != null && sliceModel.Source != null && instanceOfIBaseFilterProvider(sliceModel.Source) && rdg.has(sliceModel.Source)) {
+        //     let filterModels = sliceModel.Source.FilterModels.map(f => f);
+        //     return FilterModel.GetFilterModelsRecursive(rdg.get(sliceModel.Source), new Set<GraphNode<BaseOperationViewModel, FilterLinkViewModel>>(), filterModels, false);
+        // }
+
+        // if (rdg.has(this.TypedViewModel)) {
+        //     let filterModels = [];
+        //     return FilterModel.GetFilterModelsRecursive(rdg.get(this.TypedViewModel), new Set<GraphNode<BaseOperationViewModel, FilterLinkViewModel>>(), filterModels, true)
+        // }
+        return "";
+    }
+
+
+    @action
+    public SetResult(result: Result): void {
+        this.Result = result;
+    }
+
+    public async Update(): Promise<void> {
+
+        try {
+            if (BaseOperation._currentOperations.has(this.Id)) {
+                BaseOperation._currentOperations.get(this.Id)!.Cancel();
+                if (this.OperationReference) {
+                    Gateway.Instance.PauseOperation(this.OperationReference.toJSON());
+                }
+            }
+
+            let operationParameters = this.CreateOperationParameters();
+            this.Result = undefined;
+            this.Error = "";
+            let salt = Math.random().toString();
+            this.RequestSalt = salt;
+
+            if (!operationParameters) {
+                this.ComputationStarted = false;
+                return;
+            }
+
+            this.ComputationStarted = true;
+            //let start = performance.now();
+            let promise = Gateway.Instance.StartOperation(operationParameters.toJSON());
+            promise.catch(err => {
+                action(() => {
+                    this.Error = err;
+                    console.error(err);
+                });
+            });
+            let operationReference = await promise;
+
+
+            if (operationReference) {
+                this.OperationReference = operationReference;
+
+                let resultParameters = new ResultParameters();
+                resultParameters.operationReference = operationReference;
+
+                let pollPromise = new PollPromise(salt, operationReference);
+                BaseOperation._currentOperations.set(this.Id, pollPromise);
+
+                pollPromise.Start(async () => {
+                    let result = await Gateway.Instance.GetResult(resultParameters.toJSON());
+                    if (result instanceof ErrorResult) {
+                        throw new Error((result as ErrorResult).message);
+                    }
+                    if (this.RequestSalt == pollPromise.RequestSalt) {
+                        if (result && (!this.Result || this.Result.progress != result.progress)) {
+                            /*if (operationViewModel.Result !== null && operationViewModel.Result !== undefined) {
+                                let t1 = performance.now();
+                                console.log((t1 - start) + " milliseconds.");
+                                start = performance.now();
+                            }*/
+                            this.SetResult(result);
+                        }
+
+                        if (!result || result.progress! < 1) {
+                            return true;
+                        }
+                    }
+                    return false;
+                }, 100).catch((err: Error) => action(() => {
+                    this.Error = err.message;
+                    console.error(err.message);
+                })()
+                );
+            }
+        }
+        catch (err) {
+            console.error(err as Exception);
+            // ErrorDialog.Instance.HandleError(err, operationViewModel);
+        }
+    }
+
+    public CreateOperationParameters(): OperationParameters | undefined { return undefined; }
+
+    private interactionTimeout() {
+        // clearTimeout(this._interactionTimeoutId);
+        // this.InteractionTimeout.Fire(new InteractionTimeoutEventArgs(this.TypedViewModel, InteractionTimeoutType.Timeout));
+    }
+}
+
+export class PollPromise {
+    public RequestSalt: string;
+    public OperationReference: OperationReference;
+
+    private _notCanceled: boolean = true;
+    private _poll: undefined | (() => Promise<boolean>);
+    private _delay: number = 0;
+
+    public constructor(requestKey: string, operationReference: OperationReference) {
+        this.RequestSalt = requestKey;
+        this.OperationReference = operationReference;
+    }
+
+    public Cancel(): void {
+        this._notCanceled = false;
+    }
+
+    public Start(poll: () => Promise<boolean>, delay: number): Promise<void> {
+        this._poll = poll;
+        this._delay = delay;
+        return this.pollRecursive();
+    }
+
+    private pollRecursive = (): Promise<void> => {
+        return Promise.resolve().then(this._poll).then((flag) => {
+            this._notCanceled && flag && new Promise((res) => (setTimeout(res, this._delay)))
+                .then(this.pollRecursive);
+        });
+    }
+}
+
+
+export class InteractionTimeoutEventArgs {
+    constructor(public Sender: object, public Type: InteractionTimeoutType) {
+    }
+}
+
+export enum InteractionTimeoutType {
+    Reset = 0,
+    Timeout = 1
+}
diff --git a/src/client/northstar/operations/HistogramOperation.ts b/src/client/northstar/operations/HistogramOperation.ts
new file mode 100644
index 000000000..a4f5cac70
--- /dev/null
+++ b/src/client/northstar/operations/HistogramOperation.ts
@@ -0,0 +1,111 @@
+import { reaction, computed, action } from "mobx";
+import { Attribute, DataType, QuantitativeBinRange, HistogramOperationParameters, AggregateParameters, AggregateFunction, AverageAggregateParameters } from "../model/idea/idea";
+import { ArrayUtil } from "../utils/ArrayUtil";
+import { CalculatedAttributeManager } from "../core/attribute/CalculatedAttributeModel";
+import { ModelHelpers } from "../model/ModelHelpers";
+import { SETTINGS_X_BINS, SETTINGS_Y_BINS, SETTINGS_SAMPLE_SIZE } from "../model/binRanges/VisualBinRangeHelper";
+import { AttributeTransformationModel } from "../core/attribute/AttributeTransformationModel";
+import { Main } from "../../views/Main";
+import { BaseOperation } from "./BaseOperation";
+
+
+export class HistogramOperation extends BaseOperation {
+    public X: AttributeTransformationModel;
+    public Y: AttributeTransformationModel;
+    public V: AttributeTransformationModel;
+    constructor(x: AttributeTransformationModel, y: AttributeTransformationModel, v: AttributeTransformationModel) {
+        super();
+        this.X = x;
+        this.Y = y;
+        this.V = v;
+        reaction(() => this.createOperationParamsCache, () => this.Update());
+    }
+
+    @computed.struct
+    public get BrushString() {
+        return [];
+        // let brushes = [];
+        // this.TypedViewModel.BrusherModels.map(brushLinkModel => {
+        //     if (instanceOfIBaseFilterProvider(brushLinkModel.From) && brushLinkModel.From.FilterModels.some && brushLinkModel.From instanceof BaseOperationViewModel) {
+        //         let brushFilterModels = [];
+        //         let gnode = MainManager.Instance.MainViewModel.FilterDependencyGraph.has(brushLinkModel.From) ?
+        //             MainManager.Instance.MainViewModel.FilterDependencyGraph.get(brushLinkModel.From) :
+        //             new GraphNode<BaseOperationViewModel, FilterLinkViewModel>(brushLinkModel.From);
+        //         let brush = FilterModel.GetFilterModelsRecursive(gnode, new Set<GraphNode<BaseOperationViewModel, FilterLinkViewModel>>(), brushFilterModels, false);
+        //         brushes.push(brush);
+        //     }
+        // });
+        // return brushes;
+    }
+
+
+    @computed.struct
+    public get SelectionString() {
+        return "";
+        // let filterModels = new Array<FilterModel>();
+        // let rdg = MainManager.Instance.MainViewModel.FilterReverseDependencyGraph;
+        // let graphNode: GraphNode<BaseOperationViewModel, FilterLinkViewModel>;
+        // if (rdg.has(this.TypedViewModel)) {
+        //     graphNode = MainManager.Instance.MainViewModel.FilterReverseDependencyGraph.get(this.TypedViewModel);
+        // }
+        // else {
+        //     graphNode = new GraphNode<BaseOperationViewModel, FilterLinkViewModel>(this.TypedViewModel);
+        // }
+        // return FilterModel.GetFilterModelsRecursive(graphNode, new Set<GraphNode<BaseOperationViewModel, FilterLinkViewModel>>(), filterModels, false);
+    }
+
+    GetAggregateParameters(histoX: AttributeTransformationModel, histoY: AttributeTransformationModel, histoValue: AttributeTransformationModel) {
+        let allAttributes = new Array<AttributeTransformationModel>(histoX, histoY, histoValue);
+        allAttributes = ArrayUtil.Distinct(allAttributes.filter(a => a.AggregateFunction !== AggregateFunction.None));
+
+        let numericDataTypes = [DataType.Int, DataType.Double, DataType.Float];
+        let perBinAggregateParameters: AggregateParameters[] = ModelHelpers.GetAggregateParametersWithMargins(allAttributes);
+        let globalAggregateParameters: AggregateParameters[] = [];
+        [histoX, histoY]
+            .filter(a => a.AggregateFunction === AggregateFunction.None && ArrayUtil.Contains(numericDataTypes, a.AttributeModel.DataType))
+            .forEach(a => {
+                let avg = new AverageAggregateParameters();
+                avg.attributeParameters = ModelHelpers.GetAttributeParameters(a.AttributeModel);
+                globalAggregateParameters.push(avg);
+            });
+        return [perBinAggregateParameters, globalAggregateParameters];
+    }
+
+    @computed
+    get createOperationParamsCache() {
+        return this.CreateOperationParameters();
+    }
+
+    public QRange: QuantitativeBinRange | undefined;
+
+    public CreateOperationParameters(): HistogramOperationParameters | undefined {
+        if (this.X && this.Y && this.V) {
+            let [perBinAggregateParameters, globalAggregateParameters] = this.GetAggregateParameters(this.X, this.Y, this.V);
+            return new HistogramOperationParameters({
+                enableBrushComputation: true,
+                adapterName: Main.Instance.ActiveSchema!.displayName,
+                filter: this.FilterString,
+                brushes: this.BrushString,
+                binningParameters: [ModelHelpers.GetBinningParameters(this.X, SETTINGS_X_BINS, this.QRange ? this.QRange.minValue : undefined, this.QRange ? this.QRange.maxValue : undefined),
+                ModelHelpers.GetBinningParameters(this.Y, SETTINGS_Y_BINS)],
+                sampleStreamBlockSize: SETTINGS_SAMPLE_SIZE,
+                perBinAggregateParameters: perBinAggregateParameters,
+                globalAggregateParameters: globalAggregateParameters,
+                sortPerBinAggregateParameter: undefined,
+                attributeCalculatedParameters: CalculatedAttributeManager
+                    .AllCalculatedAttributes.map(a => ModelHelpers.GetAttributeParametersFromAttributeModel(a)),
+                degreeOfParallism: 1, // Settings.Instance.DegreeOfParallelism,
+                isCachable: false
+            });
+        }
+    }
+
+
+    @action
+    public async Update(): Promise<void> {
+        // this.TypedViewModel.BrushColors = this.TypedViewModel.BrusherModels.map(e => e.Color);
+        return super.Update();
+    }
+}
+
+