mirror of https://gitee.com/bigwinds/arangodb
1399 lines
43 KiB
JavaScript
1399 lines
43 KiB
JavaScript
/*jshint strict: false */
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////////////////////////////////////////////////////////////////////////////////
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/// @brief ArangoCollection
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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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var internal = require("internal");
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var arangosh = require("@arangodb/arangosh");
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////////////////////////////////////////////////////////////////////////////////
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/// @brief add options from arguments to index specification
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////////////////////////////////////////////////////////////////////////////////
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function addIndexOptions (body, parameters) {
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body.fields = [ ];
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var setOption = function(k) {
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if (! body.hasOwnProperty(k)) {
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body[k] = parameters[i][k];
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}
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};
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var i;
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for (i = 0; i < parameters.length; ++i) {
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if (typeof parameters[i] === "string") {
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// set fields
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body.fields.push(parameters[i]);
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}
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else if (typeof parameters[i] === "object" &&
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! Array.isArray(parameters[i]) &&
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parameters[i] !== null) {
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// set arbitrary options
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Object.keys(parameters[i]).forEach(setOption);
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break;
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}
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}
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return body;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief constructor
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////////////////////////////////////////////////////////////////////////////////
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function ArangoCollection (database, data) {
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this._database = database;
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this._dbName = database._name();
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if (typeof data === "string") {
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this._id = null;
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this._name = data;
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this._status = null;
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this._type = null;
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}
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else if (data !== undefined) {
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this._id = data.id;
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this._name = data.name;
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this._status = data.status;
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this._type = data.type;
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}
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else {
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this._id = null;
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this._name = null;
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this._status = null;
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this._type = null;
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}
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}
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exports.ArangoCollection = ArangoCollection;
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// must be called after exporting ArangoCollection
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require("@arangodb/arango-collection-common");
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var ArangoError = require("@arangodb").ArangoError;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief append the waitForSync parameter to a URL
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype._appendSyncParameter = function (url, waitForSync) {
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if (waitForSync) {
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if (url.indexOf('?') === -1) {
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url += '?';
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}
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else {
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url += '&';
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}
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url += 'waitForSync=true';
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}
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return url;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief prefix a URL with the database name of the collection
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype._prefixurl = function (url) {
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if (url.substr(0, 5) === '/_db/') {
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return url;
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}
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if (url[0] === '/') {
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return '/_db/' + encodeURIComponent(this._dbName) + url;
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}
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return '/_db/' + encodeURIComponent(this._dbName) + '/' + url;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief return the base url for collection usage
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype._baseurl = function (suffix) {
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var url = this._database._collectionurl(this.name());
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if (suffix) {
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url += "/" + suffix;
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}
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return this._prefixurl(url);
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief return the base url for document usage
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype._documenturl = function (id) {
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var s = id.split("/"), url;
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if (s.length === 1) {
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url = this._database._documenturl(this.name() + "/" + id, this.name());
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}
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else {
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url = this._database._documenturl(id, this.name());
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}
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return this._prefixurl(url);
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief return the base url for collection index usage
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype._indexurl = function () {
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return this._prefixurl("/_api/index?collection=" + encodeURIComponent(this.name()));
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief executes an edge query
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype._edgesQuery = function (vertex, direction) {
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// if vertex is a list, iterator and concat
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if (vertex instanceof Array) {
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var edges = [];
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var i;
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for (i = 0; i < vertex.length; ++i) {
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var e = this._edgesQuery(vertex[i], direction);
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edges.push.apply(edges, e);
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}
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return edges;
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}
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if (vertex.hasOwnProperty("_id")) {
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vertex = vertex._id;
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}
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// get the edges
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var url = "/_api/edges/" + encodeURIComponent(this.name())
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+ "?vertex=" + encodeURIComponent(vertex)
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+ (direction ? "&direction=" + direction : "");
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var requestResult = this._database._connection.GET(this._prefixurl(url));
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arangosh.checkRequestResult(requestResult);
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return requestResult.edges;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief converts into an array
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.toArray = function () {
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return this.all().toArray();
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief print the help for ArangoCollection
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////////////////////////////////////////////////////////////////////////////////
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var helpArangoCollection = arangosh.createHelpHeadline("ArangoCollection help") +
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'ArangoCollection constructor: ' + "\n" +
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' > col = db.mycoll; ' + "\n" +
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' > col = db._create("mycoll"); ' + "\n" +
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' ' + "\n" +
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'Administration Functions: ' + "\n" +
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' name() collection name ' + "\n" +
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' status() status of the collection ' + "\n" +
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' type() type of the collection ' + "\n" +
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' truncate() delete all documents ' + "\n" +
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' properties() show collection properties ' + "\n" +
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' drop() delete a collection ' + "\n" +
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' load() load a collection ' + "\n" +
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' unload() unload a collection ' + "\n" +
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' rename(<new-name>) renames a collection ' + "\n" +
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' getIndexes() return defined indexes ' + "\n" +
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' refresh() refreshes the status and name ' + "\n" +
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' _help() this help ' + "\n" +
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' ' + "\n" +
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'Document Functions: ' + "\n" +
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' count() return number of documents ' + "\n" +
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' save(<data>) create document and return handle ' + "\n" +
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' document(<id>) get document by handle (_id or _key)' + "\n" +
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' replace(<id>, <data>, <overwrite>) overwrite document ' + "\n" +
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' update(<id>, <data>, <overwrite>, partially update document ' + "\n" +
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' <keepNull>) ' + "\n" +
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' remove(<id>) delete document ' + "\n" +
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' exists(<id>) checks whether a document exists ' + "\n" +
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' first() first inserted/updated document ' + "\n" +
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' last() last inserted/updated document ' + "\n" +
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' ' + "\n" +
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'Attributes: ' + "\n" +
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' _database database object ' + "\n" +
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' _id collection identifier ';
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ArangoCollection.prototype._help = function () {
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internal.print(helpArangoCollection);
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief gets the name of a collection
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.name = function () {
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if (this._name === null) {
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this.refresh();
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}
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return this._name;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief gets the status of a collection
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.status = function () {
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var result;
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if (this._status === null) {
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this.refresh();
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}
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// save original status
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result = this._status;
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if (this._status === ArangoCollection.STATUS_UNLOADING) {
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// if collection is currently unloading, we must not cache this info
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this._status = null;
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}
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// return the correct result
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return result;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief gets the type of a collection
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.type = function () {
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if (this._type === null) {
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this.refresh();
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}
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return this._type;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief gets or sets the properties of a collection
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.properties = function (properties) {
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var attributes = {
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"doCompact": true,
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"journalSize": true,
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"isSystem": false,
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"isVolatile": false,
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"waitForSync": true,
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"shardKeys": false,
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"numberOfShards": false,
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"keyOptions": false,
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"indexBuckets": true
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};
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var a;
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var requestResult;
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if (properties === undefined) {
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requestResult = this._database._connection.GET(this._baseurl("properties"));
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arangosh.checkRequestResult(requestResult);
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}
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else {
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var body = {};
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for (a in attributes) {
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if (attributes.hasOwnProperty(a) &&
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attributes[a] &&
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properties.hasOwnProperty(a)) {
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body[a] = properties[a];
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}
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}
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requestResult = this._database._connection.PUT(this._baseurl("properties"),
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JSON.stringify(body));
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arangosh.checkRequestResult(requestResult);
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}
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var result = { };
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for (a in attributes) {
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if (attributes.hasOwnProperty(a) &&
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requestResult.hasOwnProperty(a) &&
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requestResult[a] !== undefined) {
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result[a] = requestResult[a];
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}
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}
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return result;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief rotate the journal of a collection
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.rotate = function () {
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var requestResult = this._database._connection.PUT(this._baseurl("rotate"), "");
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arangosh.checkRequestResult(requestResult);
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return requestResult.result;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief gets the figures of a collection
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.figures = function () {
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var requestResult = this._database._connection.GET(this._baseurl("figures"));
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arangosh.checkRequestResult(requestResult);
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return requestResult.figures;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief gets the checksum of a collection
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.checksum = function (withRevisions, withData) {
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var append = '';
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if (withRevisions) {
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append += '?withRevisions=true';
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}
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if (withData) {
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append += (append === '' ? '?' : '&') + 'withData=true';
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}
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var requestResult = this._database._connection.GET(this._baseurl("checksum") + append);
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arangosh.checkRequestResult(requestResult);
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return {
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checksum: requestResult.checksum,
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revision: requestResult.revision
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};
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief gets the revision id of a collection
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.revision = function () {
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var requestResult = this._database._connection.GET(this._baseurl("revision"));
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arangosh.checkRequestResult(requestResult);
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return requestResult.revision;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief drops a collection
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.drop = function () {
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var requestResult = this._database._connection.DELETE(this._baseurl());
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arangosh.checkRequestResult(requestResult);
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this._status = ArangoCollection.STATUS_DELETED;
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var database = this._database;
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var name;
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for (name in database) {
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if (database.hasOwnProperty(name)) {
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var collection = database[name];
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if (collection instanceof ArangoCollection) {
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if (collection.name() === this.name()) {
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delete database[name];
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}
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}
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}
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}
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief truncates a collection
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.truncate = function () {
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var requestResult = this._database._connection.PUT(this._baseurl("truncate"), "");
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arangosh.checkRequestResult(requestResult);
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this._status = null;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief loads a collection
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.load = function (count) {
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var data = { count: true };
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// return the number of documents? this might slow down loading
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if (count !== undefined) {
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data.count = count;
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}
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var requestResult = this._database._connection.PUT(this._baseurl("load"), JSON.stringify(data));
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arangosh.checkRequestResult(requestResult);
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this._status = null;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief unloads a collection
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.unload = function () {
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var requestResult = this._database._connection.PUT(this._baseurl("unload"), "");
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arangosh.checkRequestResult(requestResult);
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this._status = null;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief renames a collection
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.rename = function (name) {
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var body = { name : name };
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var requestResult = this._database._connection.PUT(this._baseurl("rename"), JSON.stringify(body));
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arangosh.checkRequestResult(requestResult);
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delete this._database[this._name];
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this._database[name] = this;
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this._status = null;
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this._name = null;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief refreshes a collection status and name
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.refresh = function () {
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var requestResult = this._database._connection.GET(
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this._database._collectionurl(this._id) + "?useId=true");
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arangosh.checkRequestResult(requestResult);
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this._name = requestResult.name;
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this._status = requestResult.status;
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this._type = requestResult.type;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief gets all indexes
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.getIndexes = function (withStats) {
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var requestResult = this._database._connection.GET(this._indexurl()+
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"&withStats="+(withStats || false));
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arangosh.checkRequestResult(requestResult);
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return requestResult.indexes;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief gets one index
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.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 requestResult = this._database._connection.GET(this._database._indexurl(id, this.name()));
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arangosh.checkRequestResult(requestResult);
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return requestResult;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief deletes an index
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.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 requestResult = this._database._connection.DELETE(this._database._indexurl(id, this.name()));
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if (requestResult !== null
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&& requestResult.error === true
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&& requestResult.errorNum
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=== internal.errors.ERROR_ARANGO_INDEX_NOT_FOUND.code) {
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return false;
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}
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arangosh.checkRequestResult(requestResult);
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return true;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief ensures a cap constraint
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.ensureCapConstraint = function (size, byteSize) {
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var body = {
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type : "cap",
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size : size || undefined,
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byteSize: byteSize || undefined
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};
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var requestResult = this._database._connection.POST(this._indexurl(), JSON.stringify(body));
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arangosh.checkRequestResult(requestResult);
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return requestResult;
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};
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////////////////////////////////////////////////////////////////////////////////
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/// @brief ensures a unique skip-list index
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////////////////////////////////////////////////////////////////////////////////
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ArangoCollection.prototype.ensureUniqueSkiplist = function () {
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var body = addIndexOptions({
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type : "skiplist",
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unique : true
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}, arguments);
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var requestResult = this._database._connection.POST(this._indexurl(), JSON.stringify(body));
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arangosh.checkRequestResult(requestResult);
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return requestResult;
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};
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|
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////////////////////////////////////////////////////////////////////////////////
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/// @brief ensures a skip-list index
|
|
////////////////////////////////////////////////////////////////////////////////
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|
|
ArangoCollection.prototype.ensureSkiplist = function () {
|
|
var body = addIndexOptions({
|
|
type : "skiplist",
|
|
unique : false
|
|
}, arguments);
|
|
|
|
var requestResult = this._database._connection.POST(this._indexurl(), JSON.stringify(body));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief ensures a fulltext index
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.ensureFulltextIndex = function (field, minLength) {
|
|
var body = {
|
|
type: "fulltext",
|
|
minLength: minLength || undefined,
|
|
fields: [ field ]
|
|
};
|
|
|
|
var requestResult = this._database._connection.POST(this._indexurl(), JSON.stringify(body));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief ensures a unique constraint
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.ensureUniqueConstraint = function () {
|
|
var body = addIndexOptions({
|
|
type : "hash",
|
|
unique : true
|
|
}, arguments);
|
|
|
|
var requestResult = this._database._connection.POST(this._indexurl(), JSON.stringify(body));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief ensures a hash index
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.ensureHashIndex = function () {
|
|
var body = addIndexOptions({
|
|
type : "hash",
|
|
unique : false
|
|
}, arguments);
|
|
|
|
var requestResult = this._database._connection.POST(this._indexurl(), JSON.stringify(body));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief ensures a geo index
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.ensureGeoIndex = function (lat, lon) {
|
|
var body;
|
|
|
|
if (typeof lat !== "string") {
|
|
throw "usage: ensureGeoIndex(<lat>, <lon>) or ensureGeoIndex(<loc>[, <geoJson>])";
|
|
}
|
|
|
|
if (typeof lon === "boolean") {
|
|
body = {
|
|
type : "geo",
|
|
fields : [ lat ],
|
|
geoJson : lon
|
|
};
|
|
}
|
|
else if (lon === undefined) {
|
|
body = {
|
|
type : "geo",
|
|
fields : [ lat ],
|
|
geoJson : false
|
|
};
|
|
}
|
|
else {
|
|
body = {
|
|
type : "geo",
|
|
fields : [ lat, lon ],
|
|
geoJson: false
|
|
};
|
|
}
|
|
|
|
var requestResult = this._database._connection.POST(this._indexurl(), JSON.stringify(body));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief ensures a geo constraint
|
|
/// since ArangoDB 2.5, this is just a redirection to ensureGeoIndex
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.ensureGeoConstraint = function (lat, lon) {
|
|
return this.ensureGeoIndex(lat, lon);
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief ensures an index
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.ensureIndex = function (data) {
|
|
if (typeof data !== "object" || Array.isArray(data)) {
|
|
throw "usage: ensureIndex(<description>)";
|
|
}
|
|
|
|
var requestResult = this._database._connection.POST(this._indexurl(), JSON.stringify(data));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult;
|
|
};
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief gets the number of documents
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.count = function () {
|
|
var requestResult = this._database._connection.GET(this._baseurl("count"));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult.count;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief gets a single document from the collection
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.document = function (id) {
|
|
var rev = null;
|
|
var requestResult;
|
|
|
|
if (id.hasOwnProperty("_id")) {
|
|
if (id.hasOwnProperty("_rev")) {
|
|
rev = id._rev;
|
|
}
|
|
|
|
id = id._id;
|
|
}
|
|
|
|
if (rev === null) {
|
|
requestResult = this._database._connection.GET(this._documenturl(id));
|
|
}
|
|
else {
|
|
requestResult = this._database._connection.GET(this._documenturl(id),
|
|
{'if-match' : JSON.stringify(rev) });
|
|
}
|
|
|
|
if (requestResult !== null
|
|
&& requestResult.error === true
|
|
&& requestResult.errorNum === internal.errors.ERROR_ARANGO_COLLECTION_NOT_FOUND.code) {
|
|
throw new ArangoError(requestResult);
|
|
}
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief checks whether a specific document exists
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.exists = function (id) {
|
|
var rev = null;
|
|
var requestResult;
|
|
|
|
if (id === undefined || id === null) {
|
|
throw new ArangoError({
|
|
errorNum : internal.errors.ERROR_ARANGO_DOCUMENT_HANDLE_BAD.code,
|
|
errorMessage : internal.errors.ERROR_ARANGO_DOCUMENT_HANDLE_BAD.message
|
|
});
|
|
}
|
|
|
|
if (id.hasOwnProperty("_id")) {
|
|
if (id.hasOwnProperty("_rev")) {
|
|
rev = id._rev;
|
|
}
|
|
|
|
id = id._id;
|
|
}
|
|
|
|
if (rev === null) {
|
|
requestResult = this._database._connection.HEAD(this._documenturl(id));
|
|
}
|
|
else {
|
|
requestResult = this._database._connection.HEAD(this._documenturl(id),
|
|
{'if-match' : JSON.stringify(rev) });
|
|
}
|
|
|
|
if (requestResult !== null &&
|
|
requestResult.error === true &&
|
|
(requestResult.errorNum === internal.errors.ERROR_ARANGO_COLLECTION_NOT_FOUND.code ||
|
|
requestResult.errorNum === internal.errors.ERROR_HTTP_NOT_FOUND.code ||
|
|
requestResult.errorNum === internal.errors.ERROR_HTTP_PRECONDITION_FAILED.code)) {
|
|
return false;
|
|
}
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return true;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief gets a random element from the collection
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.any = function () {
|
|
var requestResult = this._database._connection.PUT(
|
|
this._prefixurl("/_api/simple/any"),
|
|
JSON.stringify({ collection: this._name }));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult.document;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief constructs a query-by-example for a collection
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.firstExample = function (example) {
|
|
var e;
|
|
var i;
|
|
|
|
// example is given as only argument
|
|
if (arguments.length === 1) {
|
|
e = example;
|
|
}
|
|
|
|
// example is given as list
|
|
else {
|
|
e = {};
|
|
|
|
for (i = 0; i < arguments.length; i += 2) {
|
|
e[arguments[i]] = arguments[i + 1];
|
|
}
|
|
}
|
|
|
|
var data = {
|
|
collection: this.name(),
|
|
example: e
|
|
};
|
|
|
|
var requestResult = this._database._connection.PUT(
|
|
this._prefixurl("/_api/simple/first-example"),
|
|
JSON.stringify(data)
|
|
);
|
|
|
|
if (requestResult !== null
|
|
&& requestResult.error === true
|
|
&& requestResult.errorNum === internal.errors.ERROR_HTTP_NOT_FOUND.code) {
|
|
return null;
|
|
}
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult.document;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief returns the first document(s) from the collection
|
|
/// If an argument is supplied, the result will be a list of the first n
|
|
/// documents. When no argument is supplied, the result is the first document
|
|
/// from the collection, or null if the collection is empty.
|
|
/// The document order is determined by the insertion/update order.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.first = function (count) {
|
|
var body = {
|
|
collection: this.name(),
|
|
count: count
|
|
};
|
|
|
|
var requestResult = this._database._connection.PUT(
|
|
this._prefixurl("/_api/simple/first"),
|
|
JSON.stringify(body));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult.result;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief returns the last document(s) from the collection
|
|
/// If an argument is supplied, the result will be a list of the last n
|
|
/// documents. When no argument is supplied, the result is the last document
|
|
/// from the collection, or null if the collection is empty.
|
|
/// The document order is determined by the insertion/update order.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.last = function (count) {
|
|
var body = {
|
|
collection: this.name(),
|
|
count: count
|
|
};
|
|
|
|
var requestResult = this._database._connection.PUT(
|
|
this._prefixurl("/_api/simple/last"),
|
|
JSON.stringify(body));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult.result;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief saves a document in the collection
|
|
/// note: this method is used to save documents and edges, but save() has a
|
|
/// different signature for both. For document collections, the signature is
|
|
/// save(<data>, <waitForSync>), whereas for edge collections, the signature is
|
|
/// save(<from>, <to>, <data>, <waitForSync>)
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.save =
|
|
ArangoCollection.prototype.insert = function (from, to, data, waitForSync) {
|
|
var type = this.type(), url;
|
|
|
|
if (type === undefined) {
|
|
type = ArangoCollection.TYPE_DOCUMENT;
|
|
}
|
|
|
|
if (type === ArangoCollection.TYPE_DOCUMENT) {
|
|
data = from;
|
|
waitForSync = to;
|
|
url = "/_api/document?collection=" + encodeURIComponent(this.name());
|
|
}
|
|
else if (type === ArangoCollection.TYPE_EDGE) {
|
|
if (typeof from === 'object' && from.hasOwnProperty("_id")) {
|
|
from = from._id;
|
|
}
|
|
|
|
if (typeof to === 'object' && to.hasOwnProperty("_id")) {
|
|
to = to._id;
|
|
}
|
|
|
|
url = "/_api/edge?collection=" + encodeURIComponent(this.name())
|
|
+ "&from=" + encodeURIComponent(from)
|
|
+ "&to=" + encodeURIComponent(to);
|
|
}
|
|
|
|
url = this._appendSyncParameter(url, waitForSync);
|
|
|
|
if (data === undefined || typeof data !== 'object') {
|
|
throw new ArangoError({
|
|
errorNum : internal.errors.ERROR_ARANGO_DOCUMENT_TYPE_INVALID.code,
|
|
errorMessage : internal.errors.ERROR_ARANGO_DOCUMENT_TYPE_INVALID.message
|
|
});
|
|
}
|
|
|
|
var requestResult = this._database._connection.POST(
|
|
this._prefixurl(url),
|
|
JSON.stringify(data)
|
|
);
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief removes a document in the collection
|
|
/// @param id the id of the document
|
|
/// @param overwrite (optional) a boolean value or a json object
|
|
/// @param waitForSync (optional) a boolean value .
|
|
/// @example remove("example/996280832675")
|
|
/// @example remove("example/996280832675", true)
|
|
/// @example remove("example/996280832675", false)
|
|
/// @example remove("example/996280832675", {waitForSync: false, overwrite: true})
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.remove = function (id, overwrite, waitForSync) {
|
|
var rev = null;
|
|
var requestResult;
|
|
|
|
if (id === undefined || id === null) {
|
|
throw new ArangoError({
|
|
errorNum : internal.errors.ERROR_ARANGO_DOCUMENT_HANDLE_BAD.code,
|
|
errorMessage : internal.errors.ERROR_ARANGO_DOCUMENT_HANDLE_BAD.message
|
|
});
|
|
}
|
|
|
|
if (id.hasOwnProperty("_id")) {
|
|
if (id.hasOwnProperty("_rev")) {
|
|
rev = id._rev;
|
|
}
|
|
|
|
id = id._id;
|
|
}
|
|
|
|
var params = "";
|
|
|
|
if (typeof overwrite === "object") {
|
|
// we assume the caller uses new signature (id, data, options)
|
|
if (typeof waitForSync !== "undefined") {
|
|
throw "too many arguments";
|
|
}
|
|
var options = overwrite;
|
|
if (options.hasOwnProperty("overwrite") && options.overwrite) {
|
|
params += "?policy=last";
|
|
}
|
|
if (options.hasOwnProperty("waitForSync") ) {
|
|
waitForSync = options.waitForSync;
|
|
}
|
|
} else {
|
|
if (overwrite) {
|
|
params += "?policy=last";
|
|
}
|
|
}
|
|
|
|
var url = this._documenturl(id) + params;
|
|
url = this._appendSyncParameter(url, waitForSync);
|
|
|
|
if (rev === null) {
|
|
requestResult = this._database._connection.DELETE(url);
|
|
}
|
|
else {
|
|
requestResult = this._database._connection.DELETE(url,
|
|
{'if-match' : JSON.stringify(rev) });
|
|
}
|
|
|
|
if (requestResult !== null && requestResult.error === true) {
|
|
if (overwrite) {
|
|
if (requestResult.errorNum === internal.errors.ERROR_ARANGO_DOCUMENT_NOT_FOUND.code) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
throw new ArangoError(requestResult);
|
|
}
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return true;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief replaces a document in the collection
|
|
/// @param id the id of the document
|
|
/// @param overwrite (optional) a boolean value or a json object
|
|
/// @param waitForSync (optional) a boolean value .
|
|
/// @example replace("example/996280832675", { a : 1, c : 2} )
|
|
/// @example replace("example/996280832675", { a : 1, c : 2}, true)
|
|
/// @example replace("example/996280832675", { a : 1, c : 2}, false)
|
|
/// @example replace("example/996280832675", { a : 1, c : 2}, {waitForSync: false, overwrite: true})
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.replace = function (id, data, overwrite, waitForSync) {
|
|
var rev = null;
|
|
var requestResult;
|
|
|
|
if (id === undefined || id === null) {
|
|
throw new ArangoError({
|
|
errorNum : internal.errors.ERROR_ARANGO_DOCUMENT_HANDLE_BAD.code,
|
|
errorMessage : internal.errors.ERROR_ARANGO_DOCUMENT_HANDLE_BAD.message
|
|
});
|
|
}
|
|
|
|
if (id.hasOwnProperty("_id")) {
|
|
if (id.hasOwnProperty("_rev")) {
|
|
rev = id._rev;
|
|
}
|
|
|
|
id = id._id;
|
|
}
|
|
|
|
var params = "";
|
|
if (typeof overwrite === "object") {
|
|
if (typeof waitForSync !== "undefined") {
|
|
throw "too many arguments";
|
|
}
|
|
// we assume the caller uses new signature (id, data, options)
|
|
var options = overwrite;
|
|
if (options.hasOwnProperty("overwrite") && options.overwrite) {
|
|
params += "?policy=last";
|
|
}
|
|
if (options.hasOwnProperty("waitForSync") ) {
|
|
waitForSync = options.waitForSync;
|
|
}
|
|
} else {
|
|
if (overwrite) {
|
|
params += "?policy=last";
|
|
}
|
|
}
|
|
var url = this._documenturl(id) + params;
|
|
url = this._appendSyncParameter(url, waitForSync);
|
|
if (rev === null) {
|
|
requestResult = this._database._connection.PUT(url, JSON.stringify(data));
|
|
}
|
|
else {
|
|
requestResult = this._database._connection.PUT(url, JSON.stringify(data),
|
|
{'if-match' : JSON.stringify(rev) });
|
|
}
|
|
|
|
if (requestResult !== null && requestResult.error === true) {
|
|
throw new ArangoError(requestResult);
|
|
}
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief update a document in the collection
|
|
/// @param id the id of the document
|
|
/// @param overwrite (optional) a boolean value or a json object
|
|
/// @param keepNull (optional) determines if null values should saved or not
|
|
/// @param mergeObjects (optional) whether or not object values should be merged
|
|
/// @param waitForSync (optional) a boolean value .
|
|
/// @example update("example/996280832675", { a : 1, c : 2} )
|
|
/// @example update("example/996280832675", { a : 1, c : 2, x: null}, true, true, true)
|
|
/// @example update("example/996280832675", { a : 1, c : 2, x: null},
|
|
// {keepNull: true, waitForSync: false, overwrite: true})
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.update = function (id, data, overwrite, keepNull, waitForSync) {
|
|
var rev = null;
|
|
var requestResult;
|
|
|
|
if (id === undefined || id === null) {
|
|
throw new ArangoError({
|
|
errorNum : internal.errors.ERROR_ARANGO_DOCUMENT_HANDLE_BAD.code,
|
|
errorMessage : internal.errors.ERROR_ARANGO_DOCUMENT_HANDLE_BAD.message
|
|
});
|
|
}
|
|
|
|
if (id.hasOwnProperty("_id")) {
|
|
if (id.hasOwnProperty("_rev")) {
|
|
rev = id._rev;
|
|
}
|
|
|
|
id = id._id;
|
|
}
|
|
|
|
var params = "";
|
|
if (typeof overwrite === "object") {
|
|
if (typeof keepNull !== "undefined") {
|
|
throw "too many arguments";
|
|
}
|
|
// we assume the caller uses new signature (id, data, options)
|
|
var options = overwrite;
|
|
if (! options.hasOwnProperty("keepNull")) {
|
|
options.keepNull = true;
|
|
}
|
|
params = "?keepNull=" + options.keepNull;
|
|
|
|
if (! options.hasOwnProperty("mergeObjects")) {
|
|
options.mergeObjects = true;
|
|
}
|
|
params += "&mergeObjects=" + options.mergeObjects;
|
|
|
|
if (options.hasOwnProperty("overwrite") && options.overwrite) {
|
|
params += "&policy=last";
|
|
}
|
|
|
|
} else {
|
|
|
|
// set default value for keepNull
|
|
var keepNullValue = ((typeof keepNull === "undefined") ? true : keepNull);
|
|
params = "?keepNull=" + (keepNullValue ? "true" : "false");
|
|
|
|
if (overwrite) {
|
|
params += "&policy=last";
|
|
}
|
|
|
|
}
|
|
|
|
var url = this._documenturl(id) + params;
|
|
url = this._appendSyncParameter(url, waitForSync);
|
|
|
|
if (rev === null) {
|
|
requestResult = this._database._connection.PATCH(url, JSON.stringify(data));
|
|
}
|
|
else {
|
|
requestResult = this._database._connection.PATCH(url, JSON.stringify(data),
|
|
{'if-match' : JSON.stringify(rev) });
|
|
}
|
|
|
|
if (requestResult !== null && requestResult.error === true) {
|
|
throw new ArangoError(requestResult);
|
|
}
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief returns the edges starting or ending in a vertex
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.edges = function (vertex) {
|
|
return this._edgesQuery(vertex);
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief returns the edges ending in a vertex
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.inEdges = function (vertex) {
|
|
return this._edgesQuery(vertex, "in");
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief returns the edges starting in a vertex
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.outEdges = function (vertex) {
|
|
return this._edgesQuery(vertex, "out");
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief removes documents matching an example
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.removeByExample = function (example,
|
|
waitForSync,
|
|
limit) {
|
|
var data = {
|
|
collection: this._name,
|
|
example: example,
|
|
waitForSync: waitForSync,
|
|
limit: limit
|
|
};
|
|
|
|
if (typeof waitForSync === "object") {
|
|
if (typeof limit !== "undefined") {
|
|
throw "too many parameters";
|
|
}
|
|
data = {
|
|
collection: this._name,
|
|
example: example,
|
|
options: waitForSync
|
|
};
|
|
}
|
|
|
|
var requestResult = this._database._connection.PUT(
|
|
this._prefixurl("/_api/simple/remove-by-example"),
|
|
JSON.stringify(data));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult.deleted;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief replaces documents matching an example
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.replaceByExample = function (example,
|
|
newValue,
|
|
waitForSync,
|
|
limit) {
|
|
var data = {
|
|
collection: this._name,
|
|
example: example,
|
|
newValue: newValue,
|
|
waitForSync: waitForSync,
|
|
limit: limit
|
|
};
|
|
|
|
if (typeof waitForSync === "object") {
|
|
if (typeof limit !== "undefined") {
|
|
throw "too many parameters";
|
|
}
|
|
data = {
|
|
collection: this._name,
|
|
example: example,
|
|
newValue: newValue,
|
|
options: waitForSync
|
|
};
|
|
}
|
|
var requestResult = this._database._connection.PUT(
|
|
this._prefixurl("/_api/simple/replace-by-example"),
|
|
JSON.stringify(data));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult.replaced;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief updates documents matching an example
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.updateByExample = function (example,
|
|
newValue,
|
|
keepNull,
|
|
waitForSync,
|
|
limit) {
|
|
var data = {
|
|
collection: this._name,
|
|
example: example,
|
|
newValue: newValue,
|
|
keepNull: keepNull,
|
|
waitForSync: waitForSync,
|
|
limit: limit
|
|
};
|
|
if (typeof keepNull === "object") {
|
|
if (typeof waitForSync !== "undefined") {
|
|
throw "too many parameters";
|
|
}
|
|
var options = keepNull;
|
|
data = {
|
|
collection: this._name,
|
|
example: example,
|
|
newValue: newValue,
|
|
options: options
|
|
};
|
|
}
|
|
var requestResult = this._database._connection.PUT(
|
|
this._prefixurl("/_api/simple/update-by-example"),
|
|
JSON.stringify(data));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return requestResult.updated;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief looks up documents by keys
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.documents = function (keys) {
|
|
var data = {
|
|
collection: this._name,
|
|
keys: keys || [ ]
|
|
};
|
|
|
|
var requestResult = this._database._connection.PUT(
|
|
this._prefixurl("/_api/simple/lookup-by-keys"),
|
|
JSON.stringify(data));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return {
|
|
documents: requestResult.documents
|
|
};
|
|
};
|
|
|
|
// .lookupByKeys is now an alias for .documents
|
|
ArangoCollection.prototype.lookupByKeys = ArangoCollection.prototype.documents;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief removes documents by keys
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ArangoCollection.prototype.removeByKeys = function (keys) {
|
|
var data = {
|
|
collection: this._name,
|
|
keys: keys || [ ]
|
|
};
|
|
|
|
var requestResult = this._database._connection.PUT(
|
|
this._prefixurl("/_api/simple/remove-by-keys"),
|
|
JSON.stringify(data));
|
|
|
|
arangosh.checkRequestResult(requestResult);
|
|
|
|
return {
|
|
removed: requestResult.removed,
|
|
ignored: requestResult.ignored
|
|
};
|
|
};
|
|
|
|
|