@sap/cds-dk/lib/import/odata/ParserContext.js

Command line client and development toolkit for the SAP Cloud Application Programming Model

// Singleton class to hold the parser context
const MultiMap = require("./util/MultiMap");

module.exports = class ParserContext {

    static #instance = null;
    
    static getInstance(mockServerUc) {
        if (!ParserContext.#instance) {
            ParserContext.#instance = new ParserContext(mockServerUc);
        }
        return ParserContext.#instance;
    }

    static resetInstance() {
        ParserContext.#instance = null;
    }

    constructor(mockServerUc) {
        this.#initialize(mockServerUc);
    }

    #initialize(mockServerUc) {
        this.unboundActions = {};
        this.unboundFunctions = {};
        this.entityTypes = [];
        this.entityTypeOpenEntries = [];
        this.complexTypeOpenEntries = [];
        this.complexTypes = [];
        this.enumTypes = [];
        this.typeDefinitions = [];
        this.entityContainerName = "";
        this.entityToEntitySetMap = new MultiMap();
        this.entityToSingletonMap = new MultiMap();
        this.actionToActionImportMap = new MultiMap();
        this.functionToFunctionImportMap = new MultiMap();
        this.primarySchema = "";
        this.schemaAliasToNamespace = {};
        this.schemaToSchemaDataIndex = {};
        this.schemaToPrimarySchema = {};
        this.vocabNamespaceToAlias = {};
        this.entityToBoundActions = {};
        this.entityToBoundFunctions = {};
        this.entityContainerAnnotations = {};
        this.mockServerUc = mockServerUc;
    }
}