diffusion/src/node_modules/services/fetch-query/fetch-query-result-serialiser.js

Diffusion JavaScript client

var Codec = require('io/codec');
var BEES = require('serialisers/byte-encoded-enum-serialiser');

var FetchQueryResult = require('services/fetch-query/fetch-query-result');
var FetchTopicResult = require('services/fetch-query/fetch-topic-result');

var TopicType = require('../../../topics/topics').TopicType;


function readProperties(input) {
    return Codec.readDictionary(input, Codec.readString);
}

function readFetchTopicResult(input) {
    var path = Codec.readString(input);
    var type = BEES.read(input, TopicType);

    var valueOption = Codec.readByte(input);
    var value = (valueOption !== 0) ? Codec.readBytes(input) : undefined;

    var propertiesIndex = Codec.readInt32(input);

    return new FetchTopicResult(path, type, value, propertiesIndex);
}

var serialiser = {
    read : function(input) {
        var properties = Codec.readCollection(input, readProperties);
        var results = Codec.readCollection(input, readFetchTopicResult);
        var hasMore = Codec.readBoolean(input);

        return new FetchQueryResult(properties, results, hasMore);
    }
};

module.exports = serialiser;