mirror of https://gitee.com/bigwinds/arangodb
253 lines
8.0 KiB
JavaScript
253 lines
8.0 KiB
JavaScript
/* jshint strict: false, unused: false */
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/* global TRANSACTION */
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief ArangoDatabase
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// /
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// / @file
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// /
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// / DISCLAIMER
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// /
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// / Copyright 2013 triagens GmbH, Cologne, Germany
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// /
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// / Licensed under the Apache License, Version 2.0 (the "License")
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// / you may not use this file except in compliance with the License.
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// / You may obtain a copy of the License at
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// /
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// / http://www.apache.org/licenses/LICENSE-2.0
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// /
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// / Unless required by applicable law or agreed to in writing, software
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// / distributed under the License is distributed on an "AS IS" BASIS,
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// / WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// / See the License for the specific language governing permissions and
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// / limitations under the License.
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// /
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// / Copyright holder is triAGENS GmbH, Cologne, Germany
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// /
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// / @author Achim Brandt
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// / @author Dr. Frank Celler
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// / @author Copyright 2012-2013, triAGENS GmbH, Cologne, Germany
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// //////////////////////////////////////////////////////////////////////////////
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module.isSystem = true;
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var internal = require('internal');
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief constructor
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// //////////////////////////////////////////////////////////////////////////////
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exports.ArangoDatabase = internal.ArangoDatabase;
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var ArangoDatabase = exports.ArangoDatabase;
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// must called after export
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var ArangoCollection = require('@arangodb/arango-collection').ArangoCollection;
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var ArangoError = require('@arangodb').ArangoError;
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var ArangoStatement = require('@arangodb/arango-statement').ArangoStatement;
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief prints a database
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// //////////////////////////////////////////////////////////////////////////////
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ArangoDatabase.prototype._PRINT = function (context) {
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context.output += this.toString();
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};
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief strng representation of a database
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// //////////////////////////////////////////////////////////////////////////////
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ArangoDatabase.prototype.toString = function (seen, path, names, level) {
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return '[ArangoDatabase "' + this._name() + '"]';
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};
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief factory method to create a new statement
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// //////////////////////////////////////////////////////////////////////////////
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ArangoDatabase.prototype._createStatement = function (data) {
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return new ArangoStatement(this, data);
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};
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief factory method to create and execute a new statement
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// //////////////////////////////////////////////////////////////////////////////
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ArangoDatabase.prototype._query = function (query, bindVars, cursorOptions, options) {
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if (typeof query === 'object' && query !== null && arguments.length === 1) {
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return new ArangoStatement(this, query).execute();
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}
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var payload = {
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query: query,
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bindVars: bindVars || undefined,
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count: (cursorOptions && cursorOptions.count) || false,
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batchSize: (cursorOptions && cursorOptions.batchSize) || undefined,
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options: options || undefined,
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cache: (options && options.cache) || undefined
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};
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return new ArangoStatement(this, payload).execute();
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};
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief explains a query
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// //////////////////////////////////////////////////////////////////////////////
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ArangoDatabase.prototype._explain = function (query, bindVars, options) {
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if (typeof query === 'object' && typeof query.toAQL === 'function') {
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query = { query: query.toAQL() };
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}
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if (arguments.length > 1) {
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query = { query: query, bindVars: bindVars, options: options };
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}
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require('@arangodb/aql/explainer').explain(query);
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};
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief was docuBlock executeTransaction
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// //////////////////////////////////////////////////////////////////////////////
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ArangoDatabase.prototype._executeTransaction = function (data) {
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return TRANSACTION(data);
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};
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief was docuBlock collectionDatabaseDrop
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// //////////////////////////////////////////////////////////////////////////////
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ArangoDatabase.prototype._drop = function (name, options) {
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var collection = name;
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if (!(name instanceof ArangoCollection)) {
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collection = internal.db._collection(name);
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}
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if (collection === null) {
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return;
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}
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try {
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return collection.drop(options);
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} catch (err) {
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// ignore if the collection does not exist
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if (err instanceof ArangoError &&
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err.errorNum === internal.errors.ERROR_ARANGO_COLLECTION_NOT_FOUND.code) {
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return;
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}
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// rethrow exception
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throw err;
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}
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};
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief was docuBlock collectionDatabaseTruncate
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// //////////////////////////////////////////////////////////////////////////////
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ArangoDatabase.prototype._truncate = function (name) {
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var collection = name;
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if (!(name instanceof ArangoCollection)) {
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collection = internal.db._collection(name);
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}
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if (collection === null) {
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return;
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}
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collection.truncate();
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};
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief index id regex
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// //////////////////////////////////////////////////////////////////////////////
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief was docuBlock IndexVerify
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// //////////////////////////////////////////////////////////////////////////////
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ArangoDatabase.indexRegex = /^([a-zA-Z0-9\-_]+)\/([0-9]+)$/;
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief was docuBlock IndexHandle
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// //////////////////////////////////////////////////////////////////////////////
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ArangoDatabase.prototype._index = function (id) {
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if (id.hasOwnProperty('id')) {
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id = id.id;
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}
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var pa = ArangoDatabase.indexRegex.exec(id);
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var err;
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if (pa === null) {
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err = new ArangoError();
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err.errorNum = internal.errors.ERROR_ARANGO_INDEX_HANDLE_BAD.code;
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err.errorMessage = internal.errors.ERROR_ARANGO_INDEX_HANDLE_BAD.message;
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throw err;
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}
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var col = this._collection(pa[1]);
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if (col === null) {
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err = new ArangoError();
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err.errorNum = internal.errors.ERROR_ARANGO_COLLECTION_NOT_FOUND.code;
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err.errorMessage = internal.errors.ERROR_ARANGO_COLLECTION_NOT_FOUND.message;
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throw err;
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}
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var indexes = col.getIndexes();
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var i;
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for (i = 0; i < indexes.length; ++i) {
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var index = indexes[i];
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if (index.id === id) {
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return index;
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}
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}
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return null;
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};
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief was docuBlock dropIndex
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// //////////////////////////////////////////////////////////////////////////////
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ArangoDatabase.prototype._dropIndex = function (id) {
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if (id.hasOwnProperty('id')) {
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id = id.id;
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}
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var pa = ArangoDatabase.indexRegex.exec(id);
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var err;
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if (pa === null) {
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err = new ArangoError();
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err.errorNum = internal.errors.ERROR_ARANGO_INDEX_HANDLE_BAD.code;
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err.errorMessage = internal.errors.ERROR_ARANGO_INDEX_HANDLE_BAD.message;
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throw err;
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}
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var col = this._collection(pa[1]);
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if (col === null) {
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err = new ArangoError();
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err.errorNum = internal.errors.ERROR_ARANGO_COLLECTION_NOT_FOUND.code;
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err.errorMessage = internal.errors.ERROR_ARANGO_COLLECTION_NOT_FOUND.message;
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throw err;
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}
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return col.dropIndex(id);
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};
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// //////////////////////////////////////////////////////////////////////////////
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// / @brief was docuBlock endpoints
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// //////////////////////////////////////////////////////////////////////////////
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ArangoDatabase.prototype._endpoints = function () {
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return internal._endpoints();
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};
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