diffusion/src/node_modules/data/record/schema/schema-impl.js

Diffusion JavaScript client

var MutableRecordModelImpl = require('data/record/model/mutable-record-model-impl');
var RecordImpl = require('data/record/schema/record-impl');

module.exports = function SchemaImpl(constructor, _records) {
    var records = {};
    var self = this;

    _records.forEach(function(record) {
        records[record.name] = record;
    });

    this.getRecord = function(name) {
        var record = records[name];

        if (record) {
            return record;
        }

        throw new Error("Record '" + name + "' is not known");
    };

    this.getRecords = function() {
        return [].concat(_records);
    };

    this.records = function() {
        return _records;
    };

    this.firstRecord = function() {
        return _records[0];
    };

    this.lastRecord = function() {
        return _records[_records.length - 1];
    };

    this.createMutableModel = function() {
        return new MutableRecordModelImpl(constructor, this);
    };

    this.createModel = function() {
        var model = [];

        _records.forEach(function(record) {
            var recordValue = record.createModel();

            if (record.min > 0) {
                for (var i = 0; i < record.min; ++i) {
                    model.push([].concat(recordValue));
                }
            }
        });

        return model;
    };

    this.asJSON = function() {
        return JSON.stringify({ records : _records.map(RecordImpl.toJSON) });
    };

    this.equals = function(other) {
        if (other && other instanceof SchemaImpl) {
            var s1 = self.asJSON();
            var s2 = other.asJSON();

            return s1 === s2;
        }

        return false;
    };

    this.toString = function() {
        return "Schema [Records=" + _records + "]";
    };
};