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Diffstat (limited to 'common/src/main/webapp/usageguide/appserver/node_modules/mongoose/node_modules/mongodb/lib/read_preference.js')
-rw-r--r-- | common/src/main/webapp/usageguide/appserver/node_modules/mongoose/node_modules/mongodb/lib/read_preference.js | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/common/src/main/webapp/usageguide/appserver/node_modules/mongoose/node_modules/mongodb/lib/read_preference.js b/common/src/main/webapp/usageguide/appserver/node_modules/mongoose/node_modules/mongodb/lib/read_preference.js deleted file mode 100644 index 1763b2c8..00000000 --- a/common/src/main/webapp/usageguide/appserver/node_modules/mongoose/node_modules/mongodb/lib/read_preference.js +++ /dev/null @@ -1,131 +0,0 @@ -"use strict"; - -/** - * @fileOverview The **ReadPreference** class is a class that represents a MongoDB ReadPreference and is - * used to construct connections. - * - * @example - * var Db = require('mongodb').Db, - * ReplSet = require('mongodb').ReplSet, - * Server = require('mongodb').Server, - * ReadPreference = require('mongodb').ReadPreference, - * test = require('assert'); - * // Connect using ReplSet - * var server = new Server('localhost', 27017); - * var db = new Db('test', new ReplSet([server])); - * db.open(function(err, db) { - * test.equal(null, err); - * // Perform a read - * var cursor = db.collection('t').find({}); - * cursor.setReadPreference(ReadPreference.PRIMARY); - * cursor.toArray(function(err, docs) { - * test.equal(null, err); - * db.close(); - * }); - * }); - */ - -/** - * Creates a new ReadPreference instance - * - * Read Preferences - * - **ReadPreference.PRIMARY**, Read from primary only. All operations produce an error (throw an exception where applicable) if primary is unavailable. Cannot be combined with tags (This is the default.). - * - **ReadPreference.PRIMARY_PREFERRED**, Read from primary if available, otherwise a secondary. - * - **ReadPreference.SECONDARY**, Read from secondary if available, otherwise error. - * - **ReadPreference.SECONDARY_PREFERRED**, Read from a secondary if available, otherwise read from the primary. - * - **ReadPreference.NEAREST**, All modes read from among the nearest candidates, but unlike other modes, NEAREST will include both the primary and all secondaries in the random selection. - * - * @class - * @param {string} mode The ReadPreference mode as listed above. - * @param {array|object} tags An object representing read preference tags. - * @param {object} [options] Additional read preference options - * @param {number} [options.maxStalenessMS] Max Secondary Read Stalleness in Miliseconds - * @return {ReadPreference} a ReadPreference instance. - */ -var ReadPreference = function(mode, tags, options) { - if(!(this instanceof ReadPreference)) { - return new ReadPreference(mode, tags, options); - } - - this._type = 'ReadPreference'; - this.mode = mode; - this.tags = tags; - this.options = options; - - // If no tags were passed in - if(tags && typeof tags == 'object' && !Array.isArray(tags)) { - if(tags.maxStalenessMS) { - this.options = tags; - this.tags = null; - } - } - - // Add the maxStalenessMS value to the read Preference - if(this.options && this.options.maxStalenessMS) { - this.maxStalenessMS = this.options.maxStalenessMS; - } -} - -/** - * Validate if a mode is legal - * - * @method - * @param {string} mode The string representing the read preference mode. - * @return {boolean} - */ -ReadPreference.isValid = function(_mode) { - return (_mode == ReadPreference.PRIMARY || _mode == ReadPreference.PRIMARY_PREFERRED - || _mode == ReadPreference.SECONDARY || _mode == ReadPreference.SECONDARY_PREFERRED - || _mode == ReadPreference.NEAREST - || _mode == true || _mode == false || _mode == null); -} - -/** - * Validate if a mode is legal - * - * @method - * @param {string} mode The string representing the read preference mode. - * @return {boolean} - */ -ReadPreference.prototype.isValid = function(mode) { - var _mode = typeof mode == 'string' ? mode : this.mode; - return ReadPreference.isValid(_mode); -} - -/** - * @ignore - */ -ReadPreference.prototype.toObject = function() { - var object = {mode:this.mode}; - - if(this.tags != null) { - object['tags'] = this.tags; - } - - if(this.maxStalenessMS) { - object['maxStalenessMS'] = this.maxStalenessMS; - } - - return object; -} - -/** - * @ignore - */ -ReadPreference.prototype.toJSON = function() { - return this.toObject(); -} - -/** - * @ignore - */ -ReadPreference.PRIMARY = 'primary'; -ReadPreference.PRIMARY_PREFERRED = 'primaryPreferred'; -ReadPreference.SECONDARY = 'secondary'; -ReadPreference.SECONDARY_PREFERRED = 'secondaryPreferred'; -ReadPreference.NEAREST = 'nearest' - -/** - * @ignore - */ -module.exports = ReadPreference; |