thingsboard/ui-ngx/src/app/core/api/entity-data-subscription.ts

858 lines
33 KiB
TypeScript

///
/// Copyright © 2016-2021 The Thingsboard Authors
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
import { DataSet, DataSetHolder, DatasourceType, widgetType } from '@shared/models/widget.models';
import { AggregationType, SubscriptionTimewindow } from '@shared/models/time/time.models';
import {
EntityData,
EntityDataPageLink,
EntityFilter,
EntityKey,
EntityKeyType,
entityKeyTypeToDataKeyType,
entityPageDataChanged,
KeyFilter,
TsValue
} from '@shared/models/query/query.models';
import {
DataKeyType,
EntityCountCmd,
EntityDataCmd,
SubscriptionData,
SubscriptionDataHolder,
TelemetryService,
TelemetrySubscriber
} from '@shared/models/telemetry/telemetry.models';
import { UtilsService } from '@core/services/utils.service';
import { EntityDataListener, EntityDataLoadResult } from '@core/api/entity-data.service';
import { deepClone, isDefined, isDefinedAndNotNull, isObject, objectHashCode } from '@core/utils';
import { PageData } from '@shared/models/page/page-data';
import { DataAggregator } from '@core/api/data-aggregator';
import { NULL_UUID } from '@shared/models/id/has-uuid';
import { EntityType } from '@shared/models/entity-type.models';
import { Observable, of, ReplaySubject, Subject } from 'rxjs';
import { EntityId } from '@shared/models/id/entity-id';
import Timeout = NodeJS.Timeout;
declare type DataKeyFunction = (time: number, prevValue: any) => any;
declare type DataKeyPostFunction = (time: number, value: any, prevValue: any, timePrev: number, prevOrigValue: any) => any;
declare type DataUpdatedCb = (data: DataSetHolder, dataIndex: number, dataKeyIndex: number, detectChanges: boolean) => void;
export interface SubscriptionDataKey {
name: string;
type: DataKeyType;
funcBody: string;
func?: DataKeyFunction;
postFuncBody: string;
postFunc?: DataKeyPostFunction;
index?: number;
key?: string;
lastUpdateTime?: number;
}
export interface EntityDataSubscriptionOptions {
datasourceType: DatasourceType;
dataKeys: Array<SubscriptionDataKey>;
type: widgetType;
entityFilter?: EntityFilter;
isPaginatedDataSubscription?: boolean;
pageLink?: EntityDataPageLink;
keyFilters?: Array<KeyFilter>;
additionalKeyFilters?: Array<KeyFilter>;
subscriptionTimewindow?: SubscriptionTimewindow;
}
export class EntityDataSubscription {
private entityDataSubscriptionOptions = this.listener.subscriptionOptions;
private datasourceType: DatasourceType = this.entityDataSubscriptionOptions.datasourceType;
private history: boolean;
private realtime: boolean;
private subscriber: TelemetrySubscriber;
private dataCommand: EntityDataCmd;
private subsCommand: EntityDataCmd;
private countCommand: EntityCountCmd;
private attrFields: Array<EntityKey>;
private tsFields: Array<EntityKey>;
private latestValues: Array<EntityKey>;
private entityDataResolveSubject: Subject<EntityDataLoadResult>;
private pageData: PageData<EntityData>;
private subsTw: SubscriptionTimewindow;
private dataAggregators: Array<DataAggregator>;
private dataKeys: {[key: string]: Array<SubscriptionDataKey> | SubscriptionDataKey} = {};
private datasourceData: {[index: number]: {[key: string]: DataSetHolder}};
private datasourceOrigData: {[index: number]: {[key: string]: DataSetHolder}};
private entityIdToDataIndex: {[id: string]: number};
private frequency: number;
private tickScheduledTime = 0;
private tickElapsed = 0;
private timer: Timeout;
private dataResolved = false;
private started = false;
constructor(private listener: EntityDataListener,
private telemetryService: TelemetryService,
private utils: UtilsService) {
this.initializeSubscription();
}
private initializeSubscription() {
for (let i = 0; i < this.entityDataSubscriptionOptions.dataKeys.length; i++) {
const dataKey = deepClone(this.entityDataSubscriptionOptions.dataKeys[i]);
dataKey.index = i;
if (this.datasourceType === DatasourceType.function) {
if (!dataKey.func) {
dataKey.func = new Function('time', 'prevValue', dataKey.funcBody) as DataKeyFunction;
}
} else {
if (dataKey.postFuncBody && !dataKey.postFunc) {
dataKey.postFunc = new Function('time', 'value', 'prevValue', 'timePrev', 'prevOrigValue',
dataKey.postFuncBody) as DataKeyPostFunction;
}
}
let key: string;
if (this.datasourceType === DatasourceType.entity || this.datasourceType === DatasourceType.entityCount ||
this.entityDataSubscriptionOptions.type === widgetType.timeseries) {
if (this.datasourceType === DatasourceType.function) {
key = `${dataKey.name}_${dataKey.index}_${dataKey.type}`;
} else {
key = `${dataKey.name}_${dataKey.type}`;
}
let dataKeysList = this.dataKeys[key] as Array<SubscriptionDataKey>;
if (!dataKeysList) {
dataKeysList = [];
this.dataKeys[key] = dataKeysList;
}
dataKeysList.push(dataKey);
} else {
key = String(objectHashCode(dataKey));
this.dataKeys[key] = dataKey;
}
dataKey.key = key;
}
}
public unsubscribe() {
if (this.timer) {
clearTimeout(this.timer);
this.timer = null;
}
if (this.datasourceType === DatasourceType.entity || this.datasourceType === DatasourceType.entityCount) {
if (this.subscriber) {
this.subscriber.unsubscribe();
this.subscriber = null;
}
}
if (this.dataAggregators) {
this.dataAggregators.forEach((aggregator) => {
aggregator.destroy();
});
this.dataAggregators = null;
}
this.pageData = null;
}
public subscribe(): Observable<EntityDataLoadResult> {
this.entityDataResolveSubject = new ReplaySubject(1);
if (this.entityDataSubscriptionOptions.isPaginatedDataSubscription) {
this.started = true;
this.dataResolved = true;
this.subsTw = this.entityDataSubscriptionOptions.subscriptionTimewindow;
this.history = this.entityDataSubscriptionOptions.subscriptionTimewindow &&
isObject(this.entityDataSubscriptionOptions.subscriptionTimewindow.fixedWindow);
this.realtime = this.entityDataSubscriptionOptions.subscriptionTimewindow &&
isDefinedAndNotNull(this.entityDataSubscriptionOptions.subscriptionTimewindow.realtimeWindowMs);
}
if (this.datasourceType === DatasourceType.entity) {
const entityFields: Array<EntityKey> =
this.entityDataSubscriptionOptions.dataKeys.filter(dataKey => dataKey.type === DataKeyType.entityField).map(
dataKey => ({ type: EntityKeyType.ENTITY_FIELD, key: dataKey.name })
);
if (!entityFields.find(key => key.key === 'name')) {
entityFields.push({
type: EntityKeyType.ENTITY_FIELD,
key: 'name'
});
}
if (!entityFields.find(key => key.key === 'label')) {
entityFields.push({
type: EntityKeyType.ENTITY_FIELD,
key: 'label'
});
}
if (!entityFields.find(key => key.key === 'additionalInfo')) {
entityFields.push({
type: EntityKeyType.ENTITY_FIELD,
key: 'additionalInfo'
});
}
this.attrFields = this.entityDataSubscriptionOptions.dataKeys.filter(dataKey => dataKey.type === DataKeyType.attribute).map(
dataKey => ({ type: EntityKeyType.ATTRIBUTE, key: dataKey.name })
);
this.tsFields = this.entityDataSubscriptionOptions.dataKeys.filter(dataKey => dataKey.type === DataKeyType.timeseries).map(
dataKey => ({ type: EntityKeyType.TIME_SERIES, key: dataKey.name })
);
this.latestValues = this.attrFields.concat(this.tsFields);
this.subscriber = new TelemetrySubscriber(this.telemetryService);
this.dataCommand = new EntityDataCmd();
let keyFilters = this.entityDataSubscriptionOptions.keyFilters;
if (this.entityDataSubscriptionOptions.additionalKeyFilters) {
if (keyFilters) {
keyFilters = keyFilters.concat(this.entityDataSubscriptionOptions.additionalKeyFilters);
} else {
keyFilters = this.entityDataSubscriptionOptions.additionalKeyFilters;
}
}
this.dataCommand.query = {
entityFilter: this.entityDataSubscriptionOptions.entityFilter,
pageLink: this.entityDataSubscriptionOptions.pageLink,
keyFilters,
entityFields,
latestValues: this.latestValues
};
if (this.entityDataSubscriptionOptions.isPaginatedDataSubscription) {
this.prepareSubscriptionCommands(this.dataCommand);
}
this.subscriber.subscriptionCommands.push(this.dataCommand);
this.subscriber.entityData$.subscribe(
(entityDataUpdate) => {
if (entityDataUpdate.data) {
this.onPageData(entityDataUpdate.data);
} else if (entityDataUpdate.update) {
this.onDataUpdate(entityDataUpdate.update);
}
}
);
this.subscriber.reconnect$.subscribe(() => {
if (this.started) {
const targetCommand = this.entityDataSubscriptionOptions.isPaginatedDataSubscription ? this.dataCommand : this.subsCommand;
if (this.entityDataSubscriptionOptions.type === widgetType.timeseries &&
!this.history && this.tsFields.length) {
const newSubsTw: SubscriptionTimewindow = this.listener.updateRealtimeSubscription();
this.subsTw = newSubsTw;
targetCommand.tsCmd.startTs = this.subsTw.startTs;
targetCommand.tsCmd.timeWindow = this.subsTw.aggregation.timeWindow;
targetCommand.tsCmd.interval = this.subsTw.aggregation.interval;
targetCommand.tsCmd.limit = this.subsTw.aggregation.limit;
targetCommand.tsCmd.agg = this.subsTw.aggregation.type;
targetCommand.tsCmd.fetchLatestPreviousPoint = this.subsTw.aggregation.stateData;
this.dataAggregators.forEach((dataAggregator) => {
dataAggregator.reset(newSubsTw.startTs, newSubsTw.aggregation.timeWindow, newSubsTw.aggregation.interval);
});
}
targetCommand.query = this.dataCommand.query;
this.subscriber.subscriptionCommands = [targetCommand];
} else {
this.subscriber.subscriptionCommands = [this.dataCommand];
}
});
this.subscriber.subscribe();
} else if (this.datasourceType === DatasourceType.function) {
const entityData: EntityData = {
entityId: {
id: NULL_UUID,
entityType: EntityType.DEVICE
},
timeseries: {},
latest: {}
};
const name = DatasourceType.function;
entityData.latest[EntityKeyType.ENTITY_FIELD] = {
name: {ts: Date.now(), value: name}
};
const pageData: PageData<EntityData> = {
data: [entityData],
hasNext: false,
totalElements: 1,
totalPages: 1
};
this.onPageData(pageData);
} else if (this.datasourceType === DatasourceType.entityCount) {
this.subscriber = new TelemetrySubscriber(this.telemetryService);
this.countCommand = new EntityCountCmd();
let keyFilters = this.entityDataSubscriptionOptions.keyFilters;
if (this.entityDataSubscriptionOptions.additionalKeyFilters) {
if (keyFilters) {
keyFilters = keyFilters.concat(this.entityDataSubscriptionOptions.additionalKeyFilters);
} else {
keyFilters = this.entityDataSubscriptionOptions.additionalKeyFilters;
}
}
this.countCommand.query = {
entityFilter: this.entityDataSubscriptionOptions.entityFilter,
keyFilters
};
this.subscriber.subscriptionCommands.push(this.countCommand);
const entityId: EntityId = {
id: NULL_UUID,
entityType: null
};
const countKey = this.entityDataSubscriptionOptions.dataKeys[0];
let dataReceived = false;
this.subscriber.entityCount$.subscribe(
(entityCountUpdate) => {
if (!dataReceived) {
const entityData: EntityData = {
entityId,
latest: {
[EntityKeyType.ENTITY_FIELD]: {
name: {
ts: Date.now(),
value: DatasourceType.entityCount
}
},
[EntityKeyType.COUNT]: {
[countKey.name]: {
ts: Date.now(),
value: entityCountUpdate.count + ''
}
}
},
timeseries: {}
};
const pageData: PageData<EntityData> = {
data: [entityData],
hasNext: false,
totalElements: 1,
totalPages: 1
};
this.onPageData(pageData);
dataReceived = true;
} else {
const update: EntityData[] = [{
entityId,
latest: {
[EntityKeyType.COUNT]: {
[countKey.name]: {
ts: Date.now(),
value: entityCountUpdate.count + ''
}
}
},
timeseries: {}
}];
this.onDataUpdate(update);
}
}
);
this.subscriber.subscribe();
}
if (this.entityDataSubscriptionOptions.isPaginatedDataSubscription) {
return of(null);
} else {
return this.entityDataResolveSubject.asObservable();
}
}
public start() {
if (this.entityDataSubscriptionOptions.isPaginatedDataSubscription) {
return;
}
this.subsTw = this.entityDataSubscriptionOptions.subscriptionTimewindow;
this.history = this.entityDataSubscriptionOptions.subscriptionTimewindow &&
isObject(this.entityDataSubscriptionOptions.subscriptionTimewindow.fixedWindow);
this.realtime = this.entityDataSubscriptionOptions.subscriptionTimewindow &&
isDefinedAndNotNull(this.entityDataSubscriptionOptions.subscriptionTimewindow.realtimeWindowMs);
this.prepareData();
if (this.datasourceType === DatasourceType.entity) {
this.subsCommand = new EntityDataCmd();
this.subsCommand.cmdId = this.dataCommand.cmdId;
this.prepareSubscriptionCommands(this.subsCommand);
if (!this.subsCommand.isEmpty()) {
this.subscriber.subscriptionCommands = [this.subsCommand];
this.subscriber.update();
}
} else if (this.datasourceType === DatasourceType.function) {
this.startFunction();
}
this.started = true;
}
private prepareSubscriptionCommands(cmd: EntityDataCmd) {
if (this.entityDataSubscriptionOptions.type === widgetType.timeseries) {
if (this.tsFields.length > 0) {
if (this.history) {
cmd.historyCmd = {
keys: this.tsFields.map(key => key.key),
startTs: this.subsTw.fixedWindow.startTimeMs,
endTs: this.subsTw.fixedWindow.endTimeMs,
interval: this.subsTw.aggregation.interval,
limit: this.subsTw.aggregation.limit,
agg: this.subsTw.aggregation.type,
fetchLatestPreviousPoint: this.subsTw.aggregation.stateData
};
} else {
cmd.tsCmd = {
keys: this.tsFields.map(key => key.key),
startTs: this.subsTw.startTs,
timeWindow: this.subsTw.aggregation.timeWindow,
interval: this.subsTw.aggregation.interval,
limit: this.subsTw.aggregation.limit,
agg: this.subsTw.aggregation.type,
fetchLatestPreviousPoint: this.subsTw.aggregation.stateData
};
}
}
} else if (this.entityDataSubscriptionOptions.type === widgetType.latest) {
if (this.latestValues.length > 0) {
cmd.latestCmd = {
keys: this.latestValues
};
}
}
}
private startFunction() {
this.frequency = 1000;
if (this.entityDataSubscriptionOptions.type === widgetType.timeseries) {
this.frequency = Math.min(this.entityDataSubscriptionOptions.subscriptionTimewindow.aggregation.interval, 5000);
}
this.tickScheduledTime = this.utils.currentPerfTime();
if (this.history) {
this.onTick(true);
} else {
this.timer = setTimeout(this.onTick.bind(this, true), 0);
}
}
private prepareData() {
if (this.timer) {
clearTimeout(this.timer);
this.timer = null;
}
if (this.dataAggregators) {
this.dataAggregators.forEach((aggregator) => {
aggregator.destroy();
});
}
this.dataAggregators = [];
this.resetData();
if (this.entityDataSubscriptionOptions.type === widgetType.timeseries) {
let tsKeyNames = [];
if (this.datasourceType === DatasourceType.function) {
for (const key of Object.keys(this.dataKeys)) {
const dataKeysList = this.dataKeys[key] as Array<SubscriptionDataKey>;
dataKeysList.forEach((subscriptionDataKey) => {
tsKeyNames.push(`${subscriptionDataKey.name}_${subscriptionDataKey.index}`);
});
}
} else {
tsKeyNames = this.tsFields ? this.tsFields.map(field => field.key) : [];
}
for (let dataIndex = 0; dataIndex < this.pageData.data.length; dataIndex++) {
if (this.datasourceType === DatasourceType.function) {
this.dataAggregators[dataIndex] = this.createRealtimeDataAggregator(this.subsTw, tsKeyNames,
DataKeyType.function, dataIndex, this.notifyListener.bind(this));
} else if (tsKeyNames.length) {
this.dataAggregators[dataIndex] = this.createRealtimeDataAggregator(this.subsTw, tsKeyNames,
DataKeyType.timeseries, dataIndex, this.notifyListener.bind(this));
}
}
}
}
private resetData() {
this.datasourceData = [];
this.entityIdToDataIndex = {};
for (let dataIndex = 0; dataIndex < this.pageData.data.length; dataIndex++) {
const entityData = this.pageData.data[dataIndex];
this.entityIdToDataIndex[entityData.entityId.id] = dataIndex;
this.datasourceData[dataIndex] = {};
for (const key of Object.keys(this.dataKeys)) {
const dataKey = this.dataKeys[key];
if (this.datasourceType === DatasourceType.entity || this.datasourceType === DatasourceType.entityCount ||
this.entityDataSubscriptionOptions.type === widgetType.timeseries) {
const dataKeysList = dataKey as Array<SubscriptionDataKey>;
for (let index = 0; index < dataKeysList.length; index++) {
this.datasourceData[dataIndex][key + '_' + index] = {
data: []
};
}
} else {
this.datasourceData[dataIndex][key] = {
data: []
};
}
}
}
this.datasourceOrigData = deepClone(this.datasourceData);
if (this.entityDataSubscriptionOptions.type === widgetType.timeseries) {
for (const key of Object.keys(this.dataKeys)) {
const dataKeyList = this.dataKeys[key] as Array<SubscriptionDataKey>;
dataKeyList.forEach((dataKey) => {
delete dataKey.lastUpdateTime;
});
}
} else if (this.entityDataSubscriptionOptions.type === widgetType.latest) {
for (const key of Object.keys(this.dataKeys)) {
delete (this.dataKeys[key] as SubscriptionDataKey).lastUpdateTime;
}
}
}
private onPageData(pageData: PageData<EntityData>) {
const isInitialData = !this.pageData;
if (!isInitialData && !this.entityDataSubscriptionOptions.isPaginatedDataSubscription) {
if (entityPageDataChanged(this.pageData, pageData)) {
if (this.listener.initialPageDataChanged) {
this.listener.initialPageDataChanged(pageData);
}
return;
}
}
this.pageData = pageData;
if (this.entityDataSubscriptionOptions.isPaginatedDataSubscription) {
this.prepareData();
} else if (isInitialData) {
this.resetData();
}
const data: Array<Array<DataSetHolder>> = [];
for (let dataIndex = 0; dataIndex < pageData.data.length; dataIndex++) {
const entityData = pageData.data[dataIndex];
this.processEntityData(entityData, dataIndex, false,
(data1, dataIndex1, dataKeyIndex) => {
if (!data[dataIndex1]) {
data[dataIndex1] = [];
}
data[dataIndex1][dataKeyIndex] = data1;
}
);
}
if (!this.dataResolved) {
this.dataResolved = true;
this.entityDataResolveSubject.next(
{
pageData,
data,
datasourceIndex: this.listener.configDatasourceIndex,
pageLink: this.entityDataSubscriptionOptions.pageLink
}
);
this.entityDataResolveSubject.complete();
} else {
if (isInitialData || this.entityDataSubscriptionOptions.isPaginatedDataSubscription) {
this.listener.dataLoaded(pageData, data,
this.listener.configDatasourceIndex, this.entityDataSubscriptionOptions.pageLink);
}
if (this.entityDataSubscriptionOptions.isPaginatedDataSubscription && isInitialData) {
if (this.datasourceType === DatasourceType.function) {
this.startFunction();
}
this.entityDataResolveSubject.next(
{
pageData,
data,
datasourceIndex: this.listener.configDatasourceIndex,
pageLink: this.entityDataSubscriptionOptions.pageLink
}
);
this.entityDataResolveSubject.complete();
}
}
}
private onDataUpdate(update: Array<EntityData>) {
for (const entityData of update) {
const dataIndex = this.entityIdToDataIndex[entityData.entityId.id];
if (isDefined(dataIndex) && dataIndex >= 0) {
this.processEntityData(entityData, dataIndex, true, this.notifyListener.bind(this));
}
}
}
private notifyListener(data: DataSetHolder, dataIndex: number, dataKeyIndex: number, detectChanges: boolean) {
this.listener.dataUpdated(data,
this.listener.configDatasourceIndex,
dataIndex, dataKeyIndex, detectChanges);
}
private processEntityData(entityData: EntityData, dataIndex: number, isUpdate: boolean,
dataUpdatedCb: DataUpdatedCb) {
if (this.entityDataSubscriptionOptions.type === widgetType.latest && entityData.latest) {
for (const type of Object.keys(entityData.latest)) {
const subscriptionData = this.toSubscriptionData(entityData.latest[type], false);
const dataKeyType = entityKeyTypeToDataKeyType(EntityKeyType[type]);
this.onData(subscriptionData, dataKeyType, dataIndex, true, dataUpdatedCb);
}
}
if (this.entityDataSubscriptionOptions.type === widgetType.timeseries && entityData.timeseries) {
const subscriptionData = this.toSubscriptionData(entityData.timeseries, true);
if (this.dataAggregators && this.dataAggregators[dataIndex]) {
const dataAggregator = this.dataAggregators[dataIndex];
let prevDataCb;
if (!isUpdate) {
prevDataCb = dataAggregator.updateOnDataCb((data, detectChanges) => {
this.onData(data, this.datasourceType === DatasourceType.function ?
DataKeyType.function : DataKeyType.timeseries, dataIndex, detectChanges, dataUpdatedCb);
});
}
dataAggregator.onData({data: subscriptionData}, false, this.history, true);
if (prevDataCb) {
dataAggregator.updateOnDataCb(prevDataCb);
}
}
if (!this.history && !isUpdate) {
this.onData(subscriptionData, DataKeyType.timeseries, dataIndex, true, dataUpdatedCb);
}
}
}
private onData(sourceData: SubscriptionData, type: DataKeyType, dataIndex: number, detectChanges: boolean,
dataUpdatedCb: DataUpdatedCb) {
for (const keyName of Object.keys(sourceData)) {
const keyData = sourceData[keyName];
const key = `${keyName}_${type}`;
const dataKeyList = this.dataKeys[key] as Array<SubscriptionDataKey>;
for (let keyIndex = 0; dataKeyList && keyIndex < dataKeyList.length; keyIndex++) {
const datasourceKey = `${key}_${keyIndex}`;
if (this.datasourceData[dataIndex][datasourceKey].data) {
const dataKey = dataKeyList[keyIndex];
const data: DataSet = [];
let prevSeries: [number, any];
let prevOrigSeries: [number, any];
let datasourceKeyData: DataSet;
let datasourceOrigKeyData: DataSet;
let update = false;
if (this.realtime) {
datasourceKeyData = [];
datasourceOrigKeyData = [];
} else {
datasourceKeyData = this.datasourceData[dataIndex][datasourceKey].data;
datasourceOrigKeyData = this.datasourceOrigData[dataIndex][datasourceKey].data;
}
if (datasourceKeyData.length > 0) {
prevSeries = datasourceKeyData[datasourceKeyData.length - 1];
prevOrigSeries = datasourceOrigKeyData[datasourceOrigKeyData.length - 1];
} else {
prevSeries = [0, 0];
prevOrigSeries = [0, 0];
}
this.datasourceOrigData[dataIndex][datasourceKey].data = [];
if (this.entityDataSubscriptionOptions.type === widgetType.timeseries) {
keyData.forEach((keySeries) => {
let series = keySeries;
const time = series[0];
this.datasourceOrigData[dataIndex][datasourceKey].data.push(series);
let value = this.convertValue(series[1]);
if (dataKey.postFunc) {
value = dataKey.postFunc(time, value, prevSeries[1], prevOrigSeries[0], prevOrigSeries[1]);
}
prevOrigSeries = series;
series = [time, value];
data.push(series);
prevSeries = series;
});
update = true;
} else if (this.entityDataSubscriptionOptions.type === widgetType.latest) {
if (keyData.length > 0) {
let series = keyData[0];
const time = series[0];
this.datasourceOrigData[dataIndex][datasourceKey].data.push(series);
let value = this.convertValue(series[1]);
if (dataKey.postFunc) {
value = dataKey.postFunc(time, value, prevSeries[1], prevOrigSeries[0], prevOrigSeries[1]);
}
series = [time, value];
data.push(series);
}
update = true;
}
if (update) {
this.datasourceData[dataIndex][datasourceKey].data = data;
dataUpdatedCb(this.datasourceData[dataIndex][datasourceKey], dataIndex, dataKey.index, detectChanges);
}
}
}
}
}
private isNumeric(val: any): boolean {
return (val - parseFloat( val ) + 1) >= 0;
}
private convertValue(val: string): any {
if (val && this.isNumeric(val) && Number(val).toString() === val) {
return Number(val);
} else {
return val;
}
}
private toSubscriptionData(sourceData: {[key: string]: TsValue | TsValue[]}, isTs: boolean): SubscriptionData {
const subsData: SubscriptionData = {};
for (const keyName of Object.keys(sourceData)) {
const values = sourceData[keyName];
const dataSet: [number, any][] = [];
if (isTs) {
(values as TsValue[]).forEach((keySeries) => {
dataSet.push([keySeries.ts, keySeries.value]);
});
} else {
const tsValue = values as TsValue;
dataSet.push([tsValue.ts, tsValue.value]);
}
subsData[keyName] = dataSet;
}
return subsData;
}
private createRealtimeDataAggregator(subsTw: SubscriptionTimewindow,
tsKeyNames: Array<string>,
dataKeyType: DataKeyType,
dataIndex: number,
dataUpdatedCb: DataUpdatedCb): DataAggregator {
return new DataAggregator(
(data, detectChanges) => {
this.onData(data, dataKeyType, dataIndex, detectChanges, dataUpdatedCb);
},
tsKeyNames,
subsTw.startTs,
subsTw.aggregation.limit,
subsTw.aggregation.type,
subsTw.aggregation.timeWindow,
subsTw.aggregation.interval,
subsTw.aggregation.stateData,
this.utils
);
}
private generateSeries(dataKey: SubscriptionDataKey, index: number, startTime: number, endTime: number): [number, any][] {
const data: [number, any][] = [];
let prevSeries: [number, any];
const datasourceDataKey = `${dataKey.key}_${index}`;
const datasourceKeyData = this.datasourceData[0][datasourceDataKey].data;
if (datasourceKeyData.length > 0) {
prevSeries = datasourceKeyData[datasourceKeyData.length - 1];
} else {
prevSeries = [0, 0];
}
for (let time = startTime; time <= endTime && (this.timer || this.history); time += this.frequency) {
const value = dataKey.func(time, prevSeries[1]);
const series: [number, any] = [time, value];
data.push(series);
prevSeries = series;
}
if (data.length > 0) {
dataKey.lastUpdateTime = data[data.length - 1][0];
}
return data;
}
private generateLatest(dataKey: SubscriptionDataKey, detectChanges: boolean) {
let prevSeries: [number, any];
const datasourceKeyData = this.datasourceData[0][dataKey.key].data;
if (datasourceKeyData.length > 0) {
prevSeries = datasourceKeyData[datasourceKeyData.length - 1];
} else {
prevSeries = [0, 0];
}
const time = Date.now();
const value = dataKey.func(time, prevSeries[1]);
const series: [number, any] = [time, value];
this.datasourceData[0][dataKey.key].data = [series];
this.listener.dataUpdated(this.datasourceData[0][dataKey.key],
this.listener.configDatasourceIndex,
0,
dataKey.index, detectChanges);
}
private onTick(detectChanges: boolean) {
const now = this.utils.currentPerfTime();
this.tickElapsed += now - this.tickScheduledTime;
this.tickScheduledTime = now;
if (this.timer) {
clearTimeout(this.timer);
}
let key: string;
if (this.entityDataSubscriptionOptions.type === widgetType.timeseries) {
let startTime: number;
let endTime: number;
let delta: number;
const generatedData: SubscriptionDataHolder = {
data: {}
};
if (!this.history) {
delta = Math.floor(this.tickElapsed / this.frequency);
}
const deltaElapsed = this.history ? this.frequency : delta * this.frequency;
this.tickElapsed = this.tickElapsed - deltaElapsed;
for (key of Object.keys(this.dataKeys)) {
const dataKeyList = this.dataKeys[key] as Array<SubscriptionDataKey>;
for (let index = 0; index < dataKeyList.length && (this.timer || this.history); index ++) {
const dataKey = dataKeyList[index];
if (!startTime) {
if (this.realtime) {
if (dataKey.lastUpdateTime) {
startTime = dataKey.lastUpdateTime + this.frequency;
endTime = dataKey.lastUpdateTime + deltaElapsed;
} else {
startTime = this.entityDataSubscriptionOptions.subscriptionTimewindow.startTs;
endTime = startTime + this.entityDataSubscriptionOptions.subscriptionTimewindow.realtimeWindowMs + this.frequency;
if (this.entityDataSubscriptionOptions.subscriptionTimewindow.aggregation.type === AggregationType.NONE) {
const time = endTime - this.frequency * this.entityDataSubscriptionOptions.subscriptionTimewindow.aggregation.limit;
startTime = Math.max(time, startTime);
}
}
} else {
startTime = this.entityDataSubscriptionOptions.subscriptionTimewindow.fixedWindow.startTimeMs;
endTime = this.entityDataSubscriptionOptions.subscriptionTimewindow.fixedWindow.endTimeMs;
}
}
generatedData.data[`${dataKey.name}_${dataKey.index}`] = this.generateSeries(dataKey, index, startTime, endTime);
}
}
if (this.dataAggregators && this.dataAggregators.length) {
this.dataAggregators[0].onData(generatedData, true, this.history, detectChanges);
}
} else if (this.entityDataSubscriptionOptions.type === widgetType.latest) {
for (key of Object.keys(this.dataKeys)) {
this.generateLatest(this.dataKeys[key] as SubscriptionDataKey, detectChanges);
}
}
if (!this.history) {
this.timer = setTimeout(this.onTick.bind(this, true), this.frequency);
}
}
}