diffusion/src/node_modules/topic-update/update-constraint-factory.js

Diffusion JavaScript client

var _implements = require('util/interface')._implements;
var api = require('../../topic-update/update-constraint');

var Constraints = require('topic-update/update-constraint');
var DataTypes = require('data/datatypes');

var requireNonNull = require("util/require-non-null");

var UpdateConstraintFactory = _implements(
    api.UpdateConstraintFactory,
    function UpdateConstraintFactory() {
        this.locked = function(lock) {
            return new Constraints.Locked(lock);
        };

        this.value = function(value, dataType) {
            requireNonNull(value, "value");
            var valueType = (dataType!==undefined)?dataType:DataTypes.getByValue(value);
            return new Constraints.BinaryValue(valueType.toBytes(value));
        };

        this.noValue = function() {
            return new Constraints.NoValue();
        };

        this.noTopic = function() {
            return new Constraints.NoTopic();
        };

        this.jsonValue = function() {
            return new Constraints.PartialJSONImpl();
        };
    }
);

module.exports = new UpdateConstraintFactory();