lik/ts/lik.interestmap.interest.ts
2018-12-11 01:36:14 +01:00

79 lines
2.1 KiB
TypeScript

import * as plugins from './lik.plugins';
import { InterestMap, IInterestComparisonFunc } from './lik.interestmap';
export class Interest<DTInterestId, DTInterestFullfillment> {
private interestMapRef: InterestMap<DTInterestId, DTInterestFullfillment>;
public originalInterest: DTInterestId;
public comparisonFunc: IInterestComparisonFunc<DTInterestId>;
public destructionTimer = new plugins.smarttime.Timer(10000);
public isFullfilled = false;
/**
* a generic store to store objects in that are needed for fullfillment;
*/
public fullfillmentStore: any[] = [];
/**
* quick access to a string that makes the interest comparable for checking for similar interests
*/
public get comparisonString() {
return this.comparisonFunc(this.originalInterest);
}
private interestDeferred: plugins.smartpromise.Deferred<
DTInterestFullfillment
> = new plugins.smartpromise.Deferred();
public interestFullfilled = this.interestDeferred.promise;
/**
* fullfill the interest
*/
public fullfillInterest(objectArg: DTInterestFullfillment) {
this.isFullfilled = true;
this.fullfillmentStore = [];
this.interestDeferred.resolve(objectArg);
}
/**
*
*/
constructor(
interestMapArg: InterestMap<DTInterestId, DTInterestFullfillment>,
interestArg: DTInterestId,
comparisonFuncArg: IInterestComparisonFunc<DTInterestId>
) {
this.originalInterest = interestArg;
this.comparisonFunc = comparisonFuncArg;
this.interestMapRef = interestMapArg;
this.destructionTimer.completed.then(() => {
this.destroy();
});
}
// ===============================
// LIFECYCLE MANAGEMENT
// ===============================
/**
* self destructs the interest
*/
public destroy() {
this.interestMapRef.removeInterest(this);
}
/**
* notifies the interest that the interest in it has been lost
*/
public markLost() {
this.destructionTimer.start();
}
/**
* notifies the interest that the interest in it has been restored
*/
public renew() {
this.destructionTimer.reset();
}
}