# All files / src/app/ceph/performance-counter/table-performance-counter table-performance-counter.component.ts

95.65% Statements 22/23
70% Branches 7/10
80% Functions 4/5
94.74% Lines 18/19

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     import { Component, Input, OnInit, TemplateRef, ViewChild } from '@angular/core';

    import { I18n } from '@ngx-translate/i18n-polyfill';

    import { PerformanceCounterService } from '../../../shared/api/performance-counter.service';
    import { CdTableColumn } from '../../../shared/models/cd-table-column';
    import { CdTableFetchDataContext } from '../../../shared/models/cd-table-fetch-data-context';

    /**
     * Display the specified performance counters in a datatable.
     */
    @Component({
      selector: 'cd-table-performance-counter',
      template: require('./table-performance-counter.component.html'),
      styles: []
    })
    export class TablePerformanceCounterComponent implements OnInit {
      columns: Array<CdTableColumn> = [];
      counters: Array<object> = [];

      @ViewChild('valueTpl')
      public valueTpl: TemplateRef<any>;

      /**
       * The service type, e.g. 'rgw', 'mds', 'mon', 'osd', ...
       */
      @Input()
      serviceType: string;

      /**
       * The service identifier.
       */
      @Input()
      serviceId: string;

      constructor(private performanceCounterService: PerformanceCounterService, private i18n: I18n) {}

      ngOnInit() {
        this.columns = [
          {
            name: this.i18n('Name'),
            prop: 'name',
            flexGrow: 1
          },
          {
            name: this.i18n('Description'),
            prop: 'description',
            flexGrow: 1
          },
          {
            name: this.i18n('Value'),
            cellTemplate: this.valueTpl,
            flexGrow: 1
          }
        ];
      }

      getCounters(context: CdTableFetchDataContext) {
        this.performanceCounterService.get(this.serviceType, this.serviceId).subscribe(
          (resp: object[]) => {
            this.counters = resp;
          },
          (error) => {
            if (error.status === 404) {
              error.preventDefault();
              this.counters = null;
            } else {
              context.error();
            }
          }
        );
      }
    }