pipeline-builder-demo/src/app/pipeline-data.service.ts

Pipeline Builder

import { Injectable } from '@angular/core';
import * as Pipeline from 'pipeline-builder';

@Injectable()
export class PipelineDataService {
  private callCountMap: Map<string, number>;

  private diagram: Pipeline.IVisualizer;
  private _workflow: Pipeline.IWorkflow;

  constructor() {
    this.callCountMap = new Map<string, number>();
  }

  getDiagram(): Pipeline.IVisualizer {
    if(!this.diagram){
      this.diagram = new Pipeline.Visualizer(document.getElementById('paper'));
    }
    return this.diagram;
  }


  get workflow(): Pipeline.IWorkflow {
    return this._workflow;
  }

  set workflow(flow: Pipeline.IWorkflow) {
    this._workflow = flow;
  }

  getCallSuffix(desired: string) {
    desired = desired.toLowerCase();
    if (!this.callCountMap.has(desired)) {
      this.callCountMap.set(desired, 1);
      return '';
    } else {
      let val = this.callCountMap.get(desired);
      this.callCountMap.set(desired, val + 1);
      return `_${val}`;
    }
  }

  existCallSuffix(desired: string) {
    desired = desired.toLowerCase();
    return this.callCountMap.has(desired);
  }

}