报表部分功能和token刷新

fengxiang

2018-03-12 43afaa6ad53ca4368fbc6426500f3f71f6f8b765

 src/app/routes/analysis/query/query.component.ts

@@ -1,8 +1,7 @@
import { ExampleService } from '@business/services/util/example.service';
import { MonitorPointService } from '@business/services/http/monitor-point.service';
import { AreacodeService } from '@business/services/http/areacode.service';
import { DataCondition } from './../../../business/entity/data';
import { LineChartCriteria, TimePeriod, Organization, MonitorPoint } from '@business/entity/data';
import { LineChartCriteria, TimePeriod, Organization, MonitorPoint, DataCondition, Device } from '@business/entity/data';
import { PageBean, ResultBean } from '@business/entity/grid';
import { Sensor } from '@business/entity/data';
import { SensorsService } from '@business/services/http/sensors.service';
@@ -12,86 +11,114 @@
import * as moment from 'moment';
import { CascaderOption } from 'ng-zorro-antd/src/cascader/nz-cascader.component';
import { environment } from '@env/environment';

import { DeviceService } from '@business/services/http/device.service';
@Component({
  selector: 'app-query',
  templateUrl: './query.component.html',
  styleUrls: [ './query.component.less' ]
    selector: 'app-query',
    templateUrl: './query.component.html',
    styleUrls: ['./query.component.less']
})
export class QueryComponent implements OnInit {
    public sensorList: Sensor[];
    public timeUnits: { label: string, value: TimeUnits, disabled: boolean }[] = [];
    public lineChartCriteria: LineChartCriteria = {sensorKey: 'e1', timePeriod: {startTime: null, endTime: null}, dataConditions: []};
    _areas: {label: any, value: any};
    _monitorPoint;
    public timeUnits: { label: string, value: TimeUnits }[] = [];
    public lineChartCriteria: LineChartCriteria = { sensorKey: 'e1', timePeriod: { startTime: null, endTime: null }, dataConditions: [] };
    _areas: { label: any, value: any };
    _monitorPoint: MonitorPoint;
    _device: Device;
    _dataTimeUnits: { label: string, value: TimeUnits } = { label: '日', value: TimeUnits.DAY };
    _actualTime: number;
    actualTimes: number[];
    public _timePeriodUnitValue: TimeUnits = TimeUnits.DAY; // 横坐标时间单位
    dataTimeUnitsList: { label: string, value: TimeUnits }[] = [];
    public monitorPoints: MonitorPoint[];
    public devices: Device[];

    dataConditionTemp: DataCondition = { timeUnits: TimeUnits.DAY, actualTime: null };
    get lineChartSensorName(): String {
        return !!this.sensorList ? this.sensorList.find( sensor => sensor.sensorKey === this.lineChartCriteria.sensorKey).name : null;
        return !!this.sensorList ? this.sensorList.find(sensor => sensor.sensorKey === this.lineChartCriteria.sensorKey).name : null;
    }
    public _timePeriodUnitValue: TimeUnits = TimeUnits.DAY;
    public set timePeriodUnitValue(value: TimeUnits) {
        this._timePeriodUnitValue = value;
        this.lineChartCriteria.timePeriod.timeUnits = value;
        switch (value) {
            // YYYY-MM-DD HH:mm:ss
            case TimeUnits.MONTH: 
            this.timeType.dateFormat = 'YYYY-MM';
            this.timeType.mode = 'month';
            this.timeType.timePickerOption = null;
            break;
            case TimeUnits.DAY: 
            this.timeType.dateFormat = 'YYYY-MM-DD';
            this.timeType.mode = 'day';
            this.timeType.timePickerOption = null;
            break;
            case TimeUnits.HOUR: 
            this.timeType.dateFormat = 'YYYY-MM-DD HH 时';
            this.timeType.mode = 'day';
            this.timeType.timePickerOption = true;
            break;
            case TimeUnits.MINUTE: 
            this.timeType.dateFormat = 'YYYY-MM-DD HH:mm';
            this.timeType.mode = 'day';
            this.timeType.timePickerOption = true;
            break;
            case TimeUnits.MONTH:
                this.timeType.dateFormat = 'YYYY-MM';
                this.timeType.mode = 'month';                
                this.timeType.timePickerOption = null;
                break;
            case TimeUnits.DAY:
                this.timeType.dateFormat = 'YYYY-MM-DD';
                this.timeType.mode = 'day';
                this.timeType.timePickerOption = null;
                break;
            case TimeUnits.HOUR:
                this.timeType.dateFormat = 'YYYY-MM-DD HH 时';
                this.timeType.mode = 'day';
                this.timeType.timePickerOption = true;
                break;
            case TimeUnits.MINUTE:
                this.timeType.dateFormat = 'YYYY-MM-DD HH:mm';
                this.timeType.mode = 'day';
                this.timeType.timePickerOption = true;
                break;
        }
        const index = this.timeUnits.findIndex(item => {
            return item.value === value;
        });
        // 为了保持顺序 按以下操作
        this.dataTimeUnitsList = this.timeUnits;
        const length = this.timeUnits.length;
        const end = index < length - 1 ? index + 2 : length - 1;
        this._dataTimeUnits =  this.timeUnits.find( item => item.value === value);
        setTimeout(() => {
            this.dataTimeUnitsList = null;            
        }, 1);
        setTimeout(() => {
            this.dataTimeUnitsList = this.timeUnits.slice( index, end );            
        }, 1);
        
    }
    public timeType: {dateFormat?: string, mode?: 'month'|'day', timePickerOption?: boolean}
    = {dateFormat: 'YYYY-MM-DD', mode: 'day', timePickerOption: null};
    public timeType: { dateFormat?: string, mode?: 'month' | 'day', timePickerOption?: boolean }
        = { dateFormat: 'YYYY-MM-DD', mode: 'day', timePickerOption: null };
    get timePeriodUnitName(): String {
        return this.timeUnits.find( item => item.value === this._timePeriodUnitValue).label;
        return this.timeUnits.find(item => item.value === this._timePeriodUnitValue).label;
    }
    constructor(
        private sensorsService: SensorsService,
        private areacodeService: AreacodeService,
        private http: _HttpClient,
        private monitorPointService: MonitorPointService,
    ) {        
        private deviceService: DeviceService,
    ) {
    }

    private initPage() {
        this.sensorsService.getPagingList(null, null).subscribe(
            (res: PageBean)  => {
            (res: PageBean) => {
                this.sensorList = res.data;
            }
        );
        this.timeUnits.push(
            {label: '年', value: TimeUnits.YEAR, disabled: false},
            {label: '月', value: TimeUnits.MONTH, disabled: false},
            {label: '日', value: TimeUnits.DAY, disabled: false},
            {label: '时', value: TimeUnits.HOUR, disabled: false},
            {label: '分', value: TimeUnits.MINUTE, disabled: false}
            { label: '年', value: TimeUnits.YEAR },
            { label: '月', value: TimeUnits.MONTH },
            { label: '日', value: TimeUnits.DAY },
            { label: '时', value: TimeUnits.HOUR },
            { label: '分', value: TimeUnits.MINUTE }
        );
        this.dataTimeUnitsList = this.timeUnits.slice(2, 4);
        this._dataTimeUnits = this.dataTimeUnitsList[0];
        const now = new Date();
        this.lineChartCriteria.timePeriod.timeUnits = TimeUnits.DAY;
        this.lineChartCriteria.timePeriod.startTime = now;
        this.lineChartCriteria.timePeriod.endTime = new Date(now.getTime());
        // 省市区 初始值
        this.http.get(environment.SERVER_BASH_URL + 'organization/get-my-org').subscribe(
           ( res: ResultBean<Organization>) => {
              if (res.code === ResultCode.SUCCESS) {
            (res: ResultBean<Organization>) => {
                if (res.code === ResultCode.SUCCESS) {
                    const org = res.data;
                    if (!!org.areaNames) {
                        const areaNames = org.areaNames;
                        this._areas = {label: null, value: null};
                        this._areas = { label: null, value: null };
                        this._areas.label = Object.values(areaNames).filter(
                            val => !!val
                        ).join('/');
@@ -109,41 +136,58 @@
                            this.dataConditionTemp.areaRangeId = org.provinceCode;
                        }
                    } else {
                        this._areas = {label: '江苏省/苏州市/昆山市', value: 320583};
                        this._areas = { label: '江苏省/苏州市/昆山市', value: 320583 };
                        this.dataConditionTemp.areaRange = AreaRange.AREA;
                        this.dataConditionTemp.areaRangeId = 320583;
                      }                    
              }
           }
                    }
                }
            }
        );
        // 监控点初始化
        this.monitorPointsChange(null);
    }
    monitorPointChange(text) {
        const pageBean: PageBean = {pageIndex: 0, pageSize: 20};
    devicesChange(mpId) {
        if (!!mpId) {
            const example = new ExampleService();
            example.or().andEqualTo({ name: 'monitorPointId', value: mpId });
            this.deviceService.getPageByExample(null, example).subscribe(
                (res: PageBean) => {
                    if (!!res && !!res.data) {
                        this.devices = res.data;
                    }
                }
            );
        } else {
            this.devices = null;
        }
    }
    monitorPointsChange(text) {
        const pageBean: PageBean = { pageIndex: 0, pageSize: 20 };
        const example = new ExampleService();
        let areaName = '';
        switch (this.dataConditionTemp.areaRange) {
            case AreaRange.PROVINCE:
            areaName = 'provinceCode'; break;
                areaName = 'provinceCode'; break;
            case AreaRange.CITY:
            areaName = 'cityCode'; break;
                areaName = 'cityCode'; break;
            case AreaRange.AREA:
            areaName = 'areaCode'; break;
                areaName = 'areaCode'; break;
        }
        if (!!text) {
            example.or().andLike({name: 'name', value: '%' + text + '%'})
            .andEqualTo({name: areaName, value: this.dataConditionTemp.areaRangeId});
            example.or().andLike({ name: 'name', value: '%' + text + '%' })
                .andEqualTo({ name: areaName, value: this.dataConditionTemp.areaRangeId });
        } else {
            example.or()
            .andEqualTo({name: areaName, value: this.dataConditionTemp.areaRangeId});
                .andEqualTo({ name: areaName, value: this.dataConditionTemp.areaRangeId });
        }
        this.monitorPointService.getPageByExample(pageBean, example).subscribe(
          (res: PageBean) => {
               if (!!res && !!res.data) {
                   this.monitorPoints = res.data;
               }
          }
       );
       }
            (res: PageBean) => {
                if (!!res && !!res.data) {
                    this.monitorPoints = res.data;
                }
            }
        );
    }
    ngOnInit() {
        this.initPage();
    }
@@ -152,102 +196,144 @@
    }
    get _startShowTime() {
        return this.timeType.timePickerOption ?
           {nzHideDisabledOptions: true,
            nzDisabledHours: () => {
                const endTime = this.lineChartCriteria.timePeriod.endTime;
                const hours = this.newArray(50);
                return this._isSameDay && !!endTime ? hours.slice(endTime.getHours() + 1, 24) : [];
            },
            nzDisabledMinutes: (h) => {
                if (this._timePeriodUnitValue === TimeUnits.MINUTE) {
            {
                nzHideDisabledOptions: true,
                nzDisabledHours: () => {
                    const endTime = this.lineChartCriteria.timePeriod.endTime;
                    if (this._isSameDay && h === endTime.getHours()) {
                        const minutes = this.newArray(122);
                        return minutes.slice(endTime.getMinutes() + 1, 60);
                    const hours = this.newArray(50);
                    return this._isSameDay && !!endTime ? hours.slice(endTime.getHours() + 1, 24) : [];
                },
                nzDisabledMinutes: (h) => {
                    if (this._timePeriodUnitValue === TimeUnits.MINUTE) {
                        const endTime = this.lineChartCriteria.timePeriod.endTime;
                        if (this._isSameDay && h === endTime.getHours()) {
                            const minutes = this.newArray(122);
                            return minutes.slice(endTime.getMinutes() + 1, 60);
                        } else {
                            return [];
                        }
                    } else {
                        return [];
                    }                    
                } else {
                        return this.newArray(60).slice(1);
                    }

                },
                nzDisabledSeconds: () => {
                    return this.newArray(60).slice(1);
                }
                
            },
            nzDisabledSeconds: () => {
                return this.newArray(60).slice(1);
            }
            } : false;
    }
    get _endShowTime() {
        return this.timeType.timePickerOption ?
           {nzHideDisabledOptions: true,
            nzDisabledHours: () => {
                const startTime = this.lineChartCriteria.timePeriod.startTime;
                return this._isSameDay && !!startTime ? this.newArray(startTime.getHours()) : [];
            },
            nzDisabledMinutes: (h) => {
                if (this._timePeriodUnitValue === TimeUnits.MINUTE) {
            {
                nzHideDisabledOptions: true,
                nzDisabledHours: () => {
                    const startTime = this.lineChartCriteria.timePeriod.startTime;
                    if (this._isSameDay && h === startTime.getHours()) {
                        return this.newArray(startTime.getMinutes());
                    return this._isSameDay && !!startTime ? this.newArray(startTime.getHours()) : [];
                },
                nzDisabledMinutes: (h) => {
                    if (this._timePeriodUnitValue === TimeUnits.MINUTE) {
                        const startTime = this.lineChartCriteria.timePeriod.startTime;
                        if (this._isSameDay && h === startTime.getHours()) {
                            return this.newArray(startTime.getMinutes());
                        } else {
                            return [];
                        }

                    } else {
                        return [];
                        return this.newArray(60).slice(1);
                    }
                    
                } else {
                },
                nzDisabledSeconds: () => {
                    return this.newArray(60).slice(1);
                }
            },
            nzDisabledSeconds: () => {
                return this.newArray(60).slice(1);
            }
            } : false;
    }
    newArray = (len) => {
        const result = [];
        for (let i = 0; i < len; i++) {
          result.push(i);
            result.push(i);
        }
        return result;
      }
    }
    newArray2 = (start, len) => {
        const result = [];
        for (let i = start; i <= len; i++) {
            result.push(i);
        }
        return result;
    }
    _disabledStartDate = (startValue: Date) => {
        if (!startValue || !this.lineChartCriteria.timePeriod.endTime) {
          return false;
            return false;
        }
        let format = this.timeType.dateFormat;
        // 单位为时，开始日期中 日默认时间设置为 00.00.00
        if (format.indexOf('H', 11)) {
            format = format.replace(/HH.*/, '');
        }        
        }
        const _startValue = moment(moment(startValue).format(format), format);
        return _startValue.valueOf() > this.lineChartCriteria.timePeriod.endTime.getTime();
      }
      _disabledEndDate = (endValue: Date) => {
    }
    _disabledEndDate = (endValue: Date) => {
        if (!endValue || !this.lineChartCriteria.timePeriod.startTime) {
          return false;
            return false;
        }
        const _endValue: Date = new Date(endValue.getTime());
        _endValue.setHours(23);
        _endValue.setMinutes(59);
        _endValue.setSeconds(59);
        return _endValue.getTime() < this.lineChartCriteria.timePeriod.startTime.getTime();
      }
      _timeChange = (type: string) => {      
    }
    _timeChange = (value, type?: 'start'|'end') => {
        const startTime = this.lineChartCriteria.timePeriod.startTime;
        const endTime = this.lineChartCriteria.timePeriod.endTime;
        if (type === 'start') {            
            !!endTime ? '' : this.lineChartCriteria.timePeriod.endTime = startTime;
        const endTime = this.lineChartCriteria.timePeriod.endTime;     
        
        if (type === 'start') {           
            this.lineChartCriteria.timePeriod.startTime = value;
            !!endTime ? '' : this.lineChartCriteria.timePeriod.endTime = value;
        } else {
            !!startTime ? '' : this.lineChartCriteria.timePeriod.startTime === endTime;
            this.lineChartCriteria.timePeriod.endTime = value;
            !!startTime ? '' : this.lineChartCriteria.timePeriod.startTime === value;
        }
      }
      get startYear(): number {
          !!this.lineChartCriteria.timePeriod.startTime ?
          '' : this.lineChartCriteria.timePeriod.startTime = new Date();
          return this.lineChartCriteria.timePeriod.startTime.getFullYear();
      }
      set startYear(value) {

    }
    private getPeriodDate(value: Date , type?: 'start'|'end' ): Date {
        debugger;
        let month = 0 ;
        let day = 0;
        let hour = 0;
        let minute = 0;
        let second = 0; 
        if ('end' === type) {
            month = 12;
            day = 31;
            hour = 23;
            minute = 59;
            second = 59;
        }
        const mo = moment(value);
        switch ( this.lineChartCriteria.timePeriod.timeUnits ) {
            case TimeUnits.YEAR:
            mo.month(month).day(day).hour(hour).minute(minute).second(second); break;
            case TimeUnits.MONTH:
            mo.day(day).hour(hour).minute(minute).second(second); break;
            case TimeUnits.DAY:
            mo.hour(hour).minute(minute).second(second); break;
            case TimeUnits.HOUR:
            mo.minute(minute).second(second); break;
            case TimeUnits.MINUTE:
            mo.second(second); break;
        }
        return mo.toDate();
    }
    get startYear(): number {
        !!this.lineChartCriteria.timePeriod.startTime ?
        '' : this.lineChartCriteria.timePeriod.startTime = new Date();
            '' : this.lineChartCriteria.timePeriod.startTime = new Date();
        return this.lineChartCriteria.timePeriod.startTime.getFullYear();
    }
    set startYear(value) {
        !!this.lineChartCriteria.timePeriod.startTime ?
            '' : this.lineChartCriteria.timePeriod.startTime = new Date();
        if (this.startYear === this.endYear && value < this.startYear) {
            // 异步调用防止循环          
            setTimeout(() => {
@@ -255,86 +341,155 @@
            }, 1);
        }
        this.lineChartCriteria.timePeriod.startTime.setFullYear(value);
      }
      get minStartYear(): number {
    }
    get minStartYear(): number {
        const now = new Date();
        return now.getFullYear() - 50;
      }
      get maxStartYear(): number {
    }
    get maxStartYear(): number {
        return this.endYear;
      }
      get endYear(): number {         
    }
    get endYear(): number {
        !!this.lineChartCriteria.timePeriod.endTime ?
        '' : this.lineChartCriteria.timePeriod.endTime = new Date();
            '' : this.lineChartCriteria.timePeriod.endTime = new Date();
        return this.lineChartCriteria.timePeriod.endTime.getFullYear();
     }
     
     set endYear(value) {
    }

    set endYear(value) {
        !!this.lineChartCriteria.timePeriod.endTime ?
        '' : this.lineChartCriteria.timePeriod.endTime = new Date();
        if (this.startYear === this.endYear && value > this.startYear) {    
            '' : this.lineChartCriteria.timePeriod.endTime = new Date();
        if (this.startYear === this.endYear && value > this.startYear) {
            // 异步调用防止循环        
            setTimeout(() => {
                this.startYear -= 1;
            }, 1);
        }
        this.lineChartCriteria.timePeriod.endTime.setFullYear(value);
     }
     get minEndYear(): number {
    }
    get minEndYear(): number {
        return this.startYear;
      }
      get maxEndYear(): number {
    }
    get maxEndYear(): number {
        const now = new Date();
        return now.getFullYear() + 50;
      }
      dataConditionTemp: DataCondition = {};
      areaLazyLoad(event: { option: CascaderOption, index: number, resolve: (children: CascaderOption[]) => void, reject: () => void }) {
    }
    areaLazyLoad(event: { option: CascaderOption, index: number, resolve: (children: CascaderOption[]) => void, reject: () => void }) {
        const index = event['index'];
        const option = event.option;  
        const option = event.option;
        switch (index) {
           case -1:
           this.areacodeService.getProvinces().subscribe(
             (res: {label: string, value: string}[]) => {
                 event.resolve( res );
             }
           ); break;
           case 0:
           this.areacodeService.getCities(option.value).subscribe(
             (res: {label: string, value: string}[]) => {
                 event.resolve( res );
             }
           ); break;
           case 1:
           this.areacodeService.getAreas(option.value).subscribe(
             (res: {label: string, value: string}[]) => {
                 event.resolve( res );
             }
           ); break;
            case -1:
                this.areacodeService.getProvinces().subscribe(
                    (res: { label: string, value: string }[]) => {
                        event.resolve(res);
                    }
                ); break;
            case 0:
                this.areacodeService.getCities(option.value).subscribe(
                    (res: { label: string, value: string }[]) => {
                        event.resolve(res);
                    }
                ); break;
            case 1:
                this.areacodeService.getAreas(option.value).subscribe(
                    (res: { label: string, value: string }[]) => {
                        event.resolve(res);
                    }
                ); break;
        }
      }
      setAreaCodes(codes: string[]) {
         if (!!codes && !!codes.length) {
             const n = codes.length;
             switch (n) {
                case 1:
                this.dataConditionTemp.areaRangeId = Number(codes[0]);
                this.dataConditionTemp.areaRange = AreaRange.PROVINCE;
                break;
                case 2:
                this.dataConditionTemp.areaRangeId = Number(codes[1]);
                this.dataConditionTemp.areaRange = AreaRange.CITY;
                break;
                case 3:
                this.dataConditionTemp.areaRangeId = Number(codes[2]);
                this.dataConditionTemp.areaRange = AreaRange.AREA;
                break;
             }
             this._monitorPoint = 1;
    }
    setAreaCodes(codes: string[]) {
        if (!!codes && !!codes.length) {
            const n = codes.length;
            if (this.dataConditionTemp.areaRangeId !== Number(codes[n - 1])) {
                this.dataConditionTemp.areaRangeId = Number(codes[n - 1]);
                switch (n) {
                    case 1:
                        this.dataConditionTemp.areaRange = AreaRange.PROVINCE;
                        break;
                    case 2:
                        this.dataConditionTemp.areaRange = AreaRange.CITY;
                        break;
                    case 3:
                        this.dataConditionTemp.areaRange = AreaRange.AREA;
                        break;
                }
                this.monitorPointsChange(null);
                this._monitorPoint = null;
                this.devicesChange(null);
                this._device = null;
            }
            this._areas.value = codes;
        }
    }
    // 下拉框设置监控点事件
    setMonitorPoint(value: MonitorPoint) {
        if (!!value) {
            this.dataConditionTemp.areaRangeId = value.id;
            this.dataConditionTemp.areaRange = AreaRange.MONITORPOINT;
        } else {
            this.setAreaCodes(this._areas.value);
        }
        if (value !== this._monitorPoint) {
            this._device = null;
            this.devicesChange(!!value ? value.id : null);
        }
        this._monitorPoint = value;
    }
    // 设置设备的值
    setDevice(value: Device) {
        if (!!value) {
            this._device = value;
            this.dataConditionTemp.areaRangeId = value.id;
            this.dataConditionTemp.areaRange = AreaRange.DEVICE;
        } else {
            this.setMonitorPoint(this._monitorPoint);
        }
    }
    setDataTimeUnits(item) {
        this._dataTimeUnits = item;
        this.dataConditionTemp.timeUnits = item.value;
        if (!this.actualTimeDisabled) {
        this._actualTime = 1;   
        switch (item.value) {
           case TimeUnits.MONTH:          
           this.actualTimes = this.newArray2(1, 12); break;
           case TimeUnits.DAY:
           this.actualTimes = this.newArray2(1, 31); break;
           case TimeUnits.HOUR:
           this.actualTimes = this.newArray2(0, 23); break;
           case TimeUnits.MINUTE:
           this.actualTimes = this.newArray2(1, 59); break;
        }
        }
    }
    // 实际时间是否可用 actualTimeDisabled
    get actualTimeDisabled() {
      if (!!this.dataTimeUnitsList && this._dataTimeUnits === this.dataTimeUnitsList[0]) {
            this._actualTime = null;
            this.actualTimes = null;
         }
      }
      setMonitorPoint(value) {
          console.log(value);
          this.dataConditionTemp.areaRangeId = value;
          this.dataConditionTemp.areaRange = AreaRange.MONITORPOINT;
         return  !!this.dataTimeUnitsList && this._dataTimeUnits === this.dataTimeUnitsList[0];
    }

    setActualTime(val) {
         this.dataConditionTemp.actualTime = val;
         this._actualTime = val;
    }
    search(event) {        
       // 刷新时间格式
       const startTime = this.lineChartCriteria.timePeriod.startTime;
       const endTime = this.lineChartCriteria.timePeriod.endTime;
       this.lineChartCriteria.timePeriod.startTime = this.getPeriodDate(startTime);
       this.lineChartCriteria.timePeriod.endTime = this.getPeriodDate(endTime, 'end');
       this.lineChartCriteria.dataConditions.pop();
       this.lineChartCriteria.dataConditions.push(this.dataConditionTemp);
       this.http.post(environment.SERVER_BASH_URL + '/report/line-chart', this.lineChartCriteria).subscribe(
            res => console.log(res)
       );
    }
      chartOption;
      echartsIntance;
      onChartInit(ec) {
        this.echartsIntance = ec;
      }
}