mute-structs
Version:
NodeJS module providing an implementation of the LogootSplit CRDT algorithm
60 lines (56 loc) • 2.57 kB
JavaScript
;
/*
This file is part of MUTE-structs.
Copyright (C) 2017 Matthieu Nicolas, Victorien Elvinger
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
Object.defineProperty(exports, "__esModule", { value: true });
var data_validation_1 = require("./data-validation");
var identifierinterval_1 = require("./identifierinterval");
var int32_1 = require("./int32");
var LogootSBlock = /** @class */ (function () {
// Creation
function LogootSBlock(idInterval, nbElt) {
console.assert(int32_1.isInt32(nbElt) && nbElt >= 0, "nbElt must be a non-negative integer");
this.idInterval = idInterval;
this.nbElement = nbElt;
}
LogootSBlock.fromPlain = function (o) {
if (data_validation_1.isObject(o) &&
int32_1.isInt32(o.nbElement) && o.nbElement >= 0) {
var id = identifierinterval_1.IdentifierInterval.fromPlain(o.idInterval);
if (id !== null) {
return new LogootSBlock(id, o.nbElement);
// FIXME: Always not mine?
}
}
return null;
};
LogootSBlock.prototype.isMine = function (replicaNumber) {
return this.idInterval.idBegin.generator === replicaNumber;
};
LogootSBlock.prototype.addBlock = function (pos, length) {
console.assert(int32_1.isInt32(length) && length > 0, "length must be a positive int32");
this.nbElement += length;
this.idInterval = this.idInterval.union(pos, pos + length - 1);
};
LogootSBlock.prototype.delBlock = function (nbElt) {
console.assert(int32_1.isInt32(nbElt) && nbElt > 0, "nbElt must be a positive int32");
this.nbElement -= nbElt;
};
LogootSBlock.prototype.toString = function () {
return "{" + this.nbElement + "," + this.idInterval.toString() + "}";
};
return LogootSBlock;
}());
exports.LogootSBlock = LogootSBlock;
//# sourceMappingURL=logootsblock.js.map