@sap/xsodata/lib/processor/resourceProcessorGet.js

Expose data from a HANA database as OData V2 service with help of .xsodata files.

'use strict';

const async = require('async');

const utils = require('./../utils/utils');
const dataCollectorGet = require('./../sql/dataCollectorGet');
const serializer = require('./../serializer/serializer');
const sqlGet = require('./../sql/createGetStatements');

exports.process = function (context, asyncDone) {
    context.logger.silly('resourceprocessor', 'process_GET');

    async.waterfall(
        [
            utils.injectContext(context),
            utils.tryAndMeasure(
                sqlGet.createGetSqlStatements,
                'sqlGet.createGetSqlStatements'
            ),
            utils.tryAndMeasure(
                dataCollectorGet.createTmpTables,
                'dataCollectorGet.createTmpTables'
            ), //create //NEW ORL
            utils.tryAndMeasure(
                dataCollectorGet.insertFillTmpTables,
                'dataCollectorGet.insertFillTmpTables'
            ),
            utils.tryAndMeasure(
                dataCollectorGet.select,
                'dataCollectorGet.select'
            ),

            // truncate temporary tables to clean the session
            utils.try(dataCollectorGet.truncateTempTables),

            // drop temporary tables to clean the session
            utils.try(dataCollectorGet.dropTempTables),
            utils.try(dataCollectorGet.commit),

            utils.tryAndMeasure(
                serializer.serializeData,
                'serializer.serializeData'
            ),
        ],
        function (err, context) {
            return asyncDone(err, context);
        }
    );
};