37 lines
1.2 KiB
TypeScript
37 lines
1.2 KiB
TypeScript
/**
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* An action is a change to the OSM-database
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* It will generate some new/modified/deleted objects, which are all bundled by the 'changes'-object
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*/
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import { Changes } from "../Changes"
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import { ChangeDescription } from "./ChangeDescription"
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export default abstract class OsmChangeAction {
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public readonly trackStatistics: boolean
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/**
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* The ID of the object that is the center of this change.
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* Null if the action creates a new object (at initialization)
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* Undefined if such an id does not make sense
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*/
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public readonly mainObjectId: string
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private isUsed = false
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constructor(mainObjectId: string, trackStatistics: boolean = true) {
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this.trackStatistics = trackStatistics
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this.mainObjectId = mainObjectId
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}
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public Perform(changes: Changes) {
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if (this.isUsed) {
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throw "This ChangeAction is already used"
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}
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this.isUsed = true
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return this.CreateChangeDescriptions(changes)
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}
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protected abstract CreateChangeDescriptions(changes: Changes): Promise<ChangeDescription[]>
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}
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export abstract class OsmCreateAction extends OsmChangeAction {
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public newElementId: string
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public newElementIdNumber: number
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}
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