@splitsoftware/splitio-commons
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Split JavaScript SDK common components
78 lines (77 loc) • 3.46 kB
JavaScript
/* eslint-disable @typescript-eslint/no-unused-vars */
/* eslint-disable no-unused-vars */
import { isNaNNumber } from '../../utils/lang';
import { LOG_PREFIX } from './constants';
/**
* ISegmentsCacheAsync implementation for pluggable storages.
*/
var SegmentsCachePluggable = /** @class */ (function () {
function SegmentsCachePluggable(log, keys, wrapper) {
this.log = log;
this.keys = keys;
this.wrapper = wrapper;
}
/**
* Update the given segment `name` with the lists of `addedKeys`, `removedKeys` and `changeNumber`.
* The returned promise is resolved if the operation success, with `true` if the segment was updated (i.e., some key was added or removed),
* or rejected if it fails (e.g., wrapper operation fails).
*/
SegmentsCachePluggable.prototype.update = function (name, addedKeys, removedKeys, changeNumber) {
var segmentKey = this.keys.buildSegmentNameKey(name);
return Promise.all([
addedKeys.length && this.wrapper.addItems(segmentKey, addedKeys),
removedKeys.length && this.wrapper.removeItems(segmentKey, removedKeys),
this.wrapper.set(this.keys.buildSegmentTillKey(name), changeNumber + '')
]).then(function () {
return addedKeys.length > 0 || removedKeys.length > 0;
});
};
/**
* Returns a promise that resolves with a boolean value indicating if `key` is part of `name` segment.
* Promise can be rejected if wrapper operation fails.
*/
SegmentsCachePluggable.prototype.isInSegment = function (name, key) {
return this.wrapper.itemContains(this.keys.buildSegmentNameKey(name), key);
};
/**
* Get till number or -1 if it's not defined.
* The returned promise is resolved with the changeNumber or -1 if it doesn't exist or a wrapper operation fails.
* The promise will never be rejected.
*/
SegmentsCachePluggable.prototype.getChangeNumber = function (name) {
var _this = this;
return this.wrapper.get(this.keys.buildSegmentTillKey(name)).then(function (value) {
var i = parseInt(value, 10);
return isNaNNumber(i) ? undefined : i;
}).catch(function (e) {
_this.log.error(LOG_PREFIX + 'Could not retrieve changeNumber from segments storage. Error: ' + e);
return undefined;
});
};
/**
* Add the given segment names to the set of registered segments.
* The returned promise is resolved when the operation success,
* or rejected if it fails (e.g., wrapper operation fails).
*/
SegmentsCachePluggable.prototype.registerSegments = function (segments) {
if (segments.length) {
return this.wrapper.addItems(this.keys.buildRegisteredSegmentsKey(), segments);
}
else {
return Promise.resolve();
}
};
/**
* Returns a promise that resolves with the set of registered segments in a list,
* or rejected if it fails (e.g., wrapper operation fails).
*/
SegmentsCachePluggable.prototype.getRegisteredSegments = function () {
return this.wrapper.getItems(this.keys.buildRegisteredSegmentsKey());
};
// @TODO implement if required by DataLoader or Producer mode
SegmentsCachePluggable.prototype.clear = function () {
return Promise.resolve(true);
};
return SegmentsCachePluggable;
}());
export { SegmentsCachePluggable };