From e6aeb95c6c5d404214fe8d187eb14f05abbe1021 Mon Sep 17 00:00:00 2001
From: Stephen Sawchuk <sawchuk@gmail.com>
Date: Tue, 3 Feb 2015 10:16:40 -0500
Subject: [PATCH] datastore - remove registerKind stub

---
 lib/datastore/entity.js  | 118 ---------------------------------------
 test/datastore/entity.js |  26 ---------
 2 files changed, 144 deletions(-)

diff --git a/lib/datastore/entity.js b/lib/datastore/entity.js
index f5b14fe7fe1..adfe1186987 100644
--- a/lib/datastore/entity.js
+++ b/lib/datastore/entity.js
@@ -21,18 +21,6 @@
 
 'use strict';
 
-/** @type {object} */
-var entityMeta = {};
-
-/** @const {regexp} Regular expression to verify a field name. */
-var FIELD_NAME_REGEX = /^[A-Za-z]*$/;
-
-/** @const {regexp} Regular expression to verify a Kind. */
-var KIND_REGEX = /^[A-Za-z]*$/;
-
-/** @const {regexp} Regular Expression to verify a namespace. */
-var NAMESPACE_REGEX = /^[A-Za-z]*$/;
-
 /** @const {object} Map for query operation -> operation protocol value. */
 var OP_TO_OPERATOR = {
   '=':  'EQUAL',
@@ -43,16 +31,6 @@ var OP_TO_OPERATOR = {
   'HAS_ANCESTOR': 'HAS_ANCESTOR'
 };
 
-/** @const {array} A list of native objects. */
-var PRIMITIVE_KINDS = [
-  Object,
-  Boolean,
-  Number,
-  String,
-  Date,
-  Buffer
-];
-
 /** @const {object} Conversion map for query sign -> order protocol value. */
 var SIGN_TO_ORDER = {
   '-': 'DESCENDING',
@@ -592,102 +570,6 @@ function queryToQueryProto(q) {
 
 module.exports.queryToQueryProto = queryToQueryProto;
 
-/**
- * Register a kind and its field metadata globally. In order to perform CRUD
- * operations for a kind, you should register it with its field metadata.
- *
- * @private
- *
- * @todo Validate namespace, kind, and fieldMeta.
- *
- * @param {string} namespace - Namespace of the kind.
- * @param {string} kind - Name of the kind.
- * @param {object} fieldMeta - Metadata information about the fields.
- *
- * @example
- * registerKind('namespace', 'Author', {
- *   name: { kind: String, indexed: false },
- *   tags: { kind: String, multi: true }, // an array of string elements.
- *   favArticles: { kind: KEY, multi: true },
- *   contact: {
- *     kind: {
- *       telephone: { kind: String },
- *       email: { kind: String }
- *     }
- *   }
- * });
- */
-function registerKind(namespace, kind, fieldMeta) {
-  // validate the input and put it to the dictionary
-  namespace = namespace || '';
-  if (!NAMESPACE_REGEX.test(namespace)) {
-    throw new Error('Namespaces should match ' + NAMESPACE_REGEX);
-  }
-  if (!KIND_REGEX.test(kind)) {
-    throw new Error('Kinds should match ' + KIND_REGEX);
-  }
-
-  Object.keys(fieldMeta).forEach(function(fieldName) {
-    validateField(fieldName, fieldMeta[fieldName]);
-  });
-
-  if (!entityMeta[namespace]) {
-    entityMeta[namespace] = {};
-  }
-  entityMeta[namespace][kind] = fieldMeta;
-}
-
-module.exports.registerKind = registerKind;
-
-/**
- * Get a Kind object.
- *
- * @private
- *
- * @param {string} namespace - The namespace of the kind.
- * @param {string} kind - The Datstore Kind.
- * @return {object}
- */
-function getKind(namespace, kind) {
-  return entityMeta[namespace] && entityMeta[namespace][kind];
-}
-
-module.exports.getKind = getKind;
-
-/**
- * Validate a field.
- *
- * @throws Throws an Error if the field doesn't validate.
- *
- * @param {string} name - Field name.
- * @param {object} field - Field metadata object.
- * @param {string} field.key - Field key.
- * @param {*} field.kind - Field Kind.
- *
- * @example
- * validateField('title', {
- *   kind: String
- * });
- * // undefined (no errors thrown.)
- */
-function validateField(name, field) {
-  if (!FIELD_NAME_REGEX.test(name)) {
-    throw new Error('Field name should match ' + FIELD_NAME_REGEX);
-  }
-  if (!field.kind) {
-    throw new Error('Provide a kind for field ' + name);
-  }
-  if (typeof field.kind !== 'object' &&
-      PRIMITIVE_KINDS.indexOf(field.kind) === -1) {
-    throw new Error('Unknown kind for field ' + name);
-  }
-  if (typeof field.kind === 'object') {
-    Object.keys(field.key).forEach(function(key) {
-      validateField(key, field.key[key]);
-    });
-  }
-}
-
 /**
  * Does a value exist?
  *
diff --git a/test/datastore/entity.js b/test/datastore/entity.js
index e3bb9c2250e..88fecfabd66 100644
--- a/test/datastore/entity.js
+++ b/test/datastore/entity.js
@@ -23,14 +23,6 @@ var entity = require('../../lib/datastore/entity.js');
 var datastore = require('../../lib/datastore');
 var ByteBuffer = require('bytebuffer');
 
-var blogPostMetadata = {
-  title: { kind: String, indexed: true },
-  tags: { kind: String, multi: true, indexed: true },
-  publishedAt: { kind: Date },
-  author: { kind: Object, indexed: true },
-  isDraft: { kind: Boolean, indexed: true }
-};
-
 var entityProto = {
   'property': [{
     'name': 'linkedTo',
@@ -121,24 +113,6 @@ var queryFilterProto = {
   group_by: []
 };
 
-describe('registerKind', function() {
-  it('should be able to register valid field metadata', function() {
-    entity.registerKind('namespace', 'kind', blogPostMetadata);
-  });
-
-  it('should set the namespace to "" if zero value or null', function() {
-    entity.registerKind(null, 'kind', blogPostMetadata);
-    var meta = entity.getKind('', 'kind');
-    assert.strictEqual(meta, blogPostMetadata);
-  });
-
-  it('should throw an exception if an invalid kind', function() {
-    assert.throws(function() {
-      entity.registerKind(null, '000', blogPostMetadata);
-    }, /Kinds should match/);
-  });
-});
-
 describe('keyFromKeyProto', function() {
   var proto = {
     partition_id: { namespace: '', dataset_id: 'datasetId' },