mirror of https://gitee.com/bigwinds/arangodb
JS loader for avocsh
This commit is contained in:
Frank Celler
parent
e096362374
commit
6c7a5967e5
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@ -0,0 +1,175 @@
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////////////////////////////////////////////////////////////////////////////////
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/// @brief source code loader
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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 2004-2012 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 Dr. Frank Celler
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/// @author Copyright 2011-2012, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "JSLoader.h"
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#include "Basics/MutexLocker.h"
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#include "BasicsC/files.h"
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#include "BasicsC/strings.h"
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#include "Logger/Logger.h"
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#include "V8/v8-utils.h"
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using namespace std;
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using namespace triagens::basics;
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using namespace triagens::avocado;
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors and destructors
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup AvocadoDB
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief constructs a loader
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////////////////////////////////////////////////////////////////////////////////
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JSLoader::JSLoader ()
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: _scripts(),
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_directory(),
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_lock() {
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- public methods
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup AvocadoDB
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief gets the directory for scripts
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////////////////////////////////////////////////////////////////////////////////
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string const& JSLoader::getDirectory () const {
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return _directory;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief sets the directory for scripts
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////////////////////////////////////////////////////////////////////////////////
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void JSLoader::setDirectory (string const& directory) {
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MUTEX_LOCKER(_lock);
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_directory = directory;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief defines a new named script
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////////////////////////////////////////////////////////////////////////////////
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void JSLoader::defineScript (string const& name, string const& script) {
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MUTEX_LOCKER(_lock);
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_scripts[name] = script;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief finds a named script
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////////////////////////////////////////////////////////////////////////////////
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string const& JSLoader::findScript (string const& name) {
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MUTEX_LOCKER(_lock);
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static string empty = "";
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map<string, string>::iterator i = _scripts.find(name);
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if (i != _scripts.end()) {
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return i->second;
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}
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if (! _directory.empty()) {
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char* filename = TRI_Concatenate2File(_directory.c_str(), name.c_str());
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char* result = TRI_SlurpFile(filename);
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if (result == 0) {
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LOGGER_ERROR << "cannot load file '" << filename << "': " << TRI_last_error();
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}
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TRI_FreeString(filename);
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if (result != 0) {
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_scripts[name] = result;
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TRI_FreeString(result);
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return _scripts[name];
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}
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}
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return empty;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief loads a named script
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////////////////////////////////////////////////////////////////////////////////
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bool JSLoader::loadScript (v8::Persistent<v8::Context> context, string const& name) {
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v8::HandleScope scope;
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findScript(name);
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map<string, string>::iterator i = _scripts.find(name);
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if (i == _scripts.end()) {
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return false;
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}
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return TRI_ExecuteStringVocBase(context,
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v8::String::New(i->second.c_str()),
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v8::String::New(name.c_str()),
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false,
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true);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief loads all scripts
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////////////////////////////////////////////////////////////////////////////////
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bool JSLoader::loadAllScripts (v8::Persistent<v8::Context> context) {
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if (_directory.empty()) {
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return true;
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}
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return TRI_LoadJavaScriptDirectory(context, _directory.c_str());
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "^\\(/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|// --SECTION--\\|/// @\\}\\)"
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// End:
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@ -0,0 +1,172 @@
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////////////////////////////////////////////////////////////////////////////////
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/// @brief source code loader
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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 2004-2012 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 Dr. Frank Celler
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/// @author Copyright 2011-2012, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#ifndef TRIAGENS_REST_SERVER_JSLOADER_H
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#define TRIAGENS_REST_SERVER_JSLOADER_H 1
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#include "Basics/Common.h"
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#include <v8.h>
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#include "Basics/Mutex.h"
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// -----------------------------------------------------------------------------
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// --SECTION-- class JSLoader
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup AvocadoDB
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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namespace triagens {
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namespace avocado {
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////////////////////////////////////////////////////////////////////////////////
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/// @brief JavaScript source code loader
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////////////////////////////////////////////////////////////////////////////////
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class JSLoader {
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors and destructors
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup AvocadoDB
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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public:
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////////////////////////////////////////////////////////////////////////////////
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/// @brief constructs a loader
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////////////////////////////////////////////////////////////////////////////////
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JSLoader ();
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- public methods
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup AvocadoDB
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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public:
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////////////////////////////////////////////////////////////////////////////////
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/// @brief gets the directory for scripts
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////////////////////////////////////////////////////////////////////////////////
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string const& getDirectory () const;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief sets the directory for scripts
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////////////////////////////////////////////////////////////////////////////////
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void setDirectory (string const& directory);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief defines a new named script
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////////////////////////////////////////////////////////////////////////////////
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void defineScript (string const& name, string const& script);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief finds a named script
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////////////////////////////////////////////////////////////////////////////////
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string const& findScript (string const& name);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief loads a named script
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////////////////////////////////////////////////////////////////////////////////
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bool loadScript (v8::Persistent<v8::Context>, string const& name);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief loads all scripts
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////////////////////////////////////////////////////////////////////////////////
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bool loadAllScripts (v8::Persistent<v8::Context>);
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- private variables
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup AvocadoDB
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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private:
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////////////////////////////////////////////////////////////////////////////////
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/// @brief all scripts
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////////////////////////////////////////////////////////////////////////////////
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std::map<string, string> _scripts;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief script directory
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////////////////////////////////////////////////////////////////////////////////
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std::string _directory;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief mutex for _scripts
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////////////////////////////////////////////////////////////////////////////////
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basics::Mutex _lock;
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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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#endif
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "^\\(/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|// --SECTION--\\|/// @\\}\\)"
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// End:
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static string JS_client_client =
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"////////////////////////////////////////////////////////////////////////////////////\n"
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"//\n"
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"// global variables\n"
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"//\n"
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"////////////////////////////////////////////////////////////////////////////////\n"
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"\n"
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"var DEFAULT_QUERY_COLLECTION = \"query\";\n"
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"\n"
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"////////////////////////////////////////////////////////////////////////////////\n"
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"//\n"
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"// Helper functions\n"
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"//\n"
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"////////////////////////////////////////////////////////////////////////////////\n"
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"\n"
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"function throwIfError (requestResult) {\n"
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" \n"
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" if (requestResult == undefined) { \n"
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" throw \"Result is empty\";\n"
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" }\n"
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" \n"
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" if (requestResult[\"error\"] != undefined && requestResult[\"error\"]) {\n"
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" if (requestResult[\"errorMessage\"] == undefined) {\n"
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" throw \"Unknown error\"; \n"
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" }\n"
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" throw requestResult[\"errorMessage\"];\n"
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" } \n"
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"}\n"
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"\n"
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"function help () {\n"
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" print(\"--------------- HELP -----------------------------------------------\");\n"
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" print(\"predefined objects:\");\n"
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" print(\" advocado: AdvocadoConnection\");\n"
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" print(\" db: AdvocadoDatabase\");\n"
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" print(\"examples:\");\n"
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" print(\" > db._collections(); list all collections\");\n"
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" print(\" > db.<coll_name>.all(); list all documents\");\n"
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" print(\" > id = db.<coll_name>.save({ ... }); save a document\");\n"
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" print(\" > db.<coll_name>.delete(<_id>); delete a document\");\n"
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" print(\" > db.<coll_name>.document(<_id>); get a document\");\n"
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" print(\" > helpQueries(); query help\");\n"
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" print(\" > exit\"); \n"
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" print(\"--------------------------------------------------------------------\");\n"
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"}\n"
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"\n"
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"function helpQueries () {\n"
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" print(\"--------------- HELP -----------------------------------------------\");\n"
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" print(\"create query template:\");\n"
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" print(\" > qt1 = db.createQueryTemplate(\\\"select ...\\\"); simple query\");\n"
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" print(\" > qt2 = db.createQueryTemplate( complex query\");\n"
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" print(\" {query:\\\"select...\\\",\");\n"
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" print(\" name:\\\"qname\\\",\");\n"
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" print(\" collection:\\\"q\\\"\");\n"
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" print(\" ... });\");\n"
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" print(\" > qt3 = db.getQueryTemplate(\\\"4334:2334\\\"); query by id\");\n"
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" print(\" > qt1.update(\\\"select ...\\\"); update\"); \n"
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" print(\" > qt1.delete(\\\"4334:2334\\\"); delete\");\n"
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" print(\"create query instance:\");\n"
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" print(\" > qi1 = qt1.getInstance(); from tmplate\");\n"
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" print(\" > qi2 = db.createQueryInstance(\\\"select...\\\"); without template\");\n"
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" print(\" > qi2.bind(\\\"a\\\":\\\"b\\\")\");\n"
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" print(\"execute query:\");\n"
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" print(\" > cu1 = qi1.execute(); returns cursor\");\n"
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" print(\"loop over all results:\");\n"
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" print(\" > while (cu1.hasNext()) { print( cu1.next() ); }\");\n"
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" print(\"--------------------------------------------------------------------\");\n"
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"}\n"
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"\n"
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"////////////////////////////////////////////////////////////////////////////////\n"
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"//\n"
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"// AvocadoCollection\n"
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"//\n"
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"////////////////////////////////////////////////////////////////////////////////\n"
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"\n"
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"function AvocadoCollection (database, data) {\n"
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" this._database = database;\n"
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"\n"
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" if (typeof data === \"string\") {\n"
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" this.name = data;\n"
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" }\n"
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" else {\n"
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" for (var i in data) {\n"
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" this[i] = data[i];\n"
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" }\n"
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" }\n"
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"}\n"
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"\n"
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"AvocadoCollection.prototype.all = function () {\n"
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" var str = this._database._connection.get(\"/_api/documents/\" + encodeURIComponent(this.name));\n"
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"\n"
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" var requestResult = undefined;\n"
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" if (str != undefined) {\n"
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" requestResult = JSON.parse(str);\n"
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" }\n"
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" \n"
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" throwIfError(requestResult);\n"
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"\n"
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" if (requestResult[\"documents\"] != undefined ) {\n"
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" return requestResult[\"documents\"]; \n"
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" }\n"
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" return undefined;\n"
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"}\n"
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"\n"
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"AvocadoCollection.prototype.document = function (id) {\n"
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" var str = this._database._connection.get(\"/_api/document/\" + encodeURIComponent(this.name) + \"/\" + encodeURIComponent(id));\n"
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" \n"
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" var requestResult = undefined;\n"
|
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" if (str != undefined) {\n"
|
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" requestResult = JSON.parse(str);\n"
|
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" }\n"
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"\n"
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" throwIfError(requestResult);\n"
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" \n"
|
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" if (requestResult[\"document\"] != undefined) {\n"
|
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" return requestResult[\"document\"];\n"
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" }\n"
|
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" return requestResult;\n"
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"}\n"
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"\n"
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"AvocadoCollection.prototype.save = function (data) { \n"
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" var str = this._database._connection.post(\"/_api/document/\" + encodeURIComponent(this.name), JSON.stringify(data));\n"
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" \n"
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" var requestResult = undefined;\n"
|
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" if (str != undefined) {\n"
|
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" requestResult = JSON.parse(str);\n"
|
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" }\n"
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" \n"
|
||||
" throwIfError(requestResult);\n"
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" \n"
|
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" if (requestResult[\"_id\"] != undefined) {\n"
|
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" return requestResult[\"_id\"];\n"
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" }\n"
|
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" return requestResult;\n"
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"}\n"
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"\n"
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"AvocadoCollection.prototype.delete = function (id) { \n"
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" var str = this._database._connection.delete(\"/_api/document/\" + encodeURIComponent(this.name) + \"/\" + encodeURIComponent(id));\n"
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" \n"
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" var requestResult = undefined;\n"
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" if (str != undefined) {\n"
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" requestResult = JSON.parse(str);\n"
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" }\n"
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"\n"
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" throwIfError(requestResult);\n"
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" \n"
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" return true;\n"
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"}\n"
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"\n"
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"AvocadoCollection.prototype.update = function (id, data) { \n"
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" var str = this._database._connection.put(\"/_api/document/\" + encodeURIComponent(this.name) + \"/\" + encodeURIComponent(id), JSON.stringify(data));\n"
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" \n"
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" var requestResult = undefined;\n"
|
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" if (str != undefined) {\n"
|
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" requestResult = JSON.parse(str);\n"
|
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" }\n"
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"\n"
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" throwIfError(requestResult);\n"
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"\n"
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||||
" return true;\n"
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"}\n"
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"\n"
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"\n"
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"////////////////////////////////////////////////////////////////////////////////\n"
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"//\n"
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"// QueryCursor\n"
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"//\n"
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"////////////////////////////////////////////////////////////////////////////////\n"
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"\n"
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"function QueryCursor (database, data) {\n"
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" this._database = database;\n"
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" this.data = data;\n"
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" this._hasNext = false;\n"
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" this._hasMore = false;\n"
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" this._pos = 0;\n"
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" this._count = 0;\n"
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" this._total = 0;\n"
|
||||
" \n"
|
||||
" if (data.result != undefined) {\n"
|
||||
" this._count = data.result.length;\n"
|
||||
" \n"
|
||||
" if (this._pos < this._count) {\n"
|
||||
" this._hasNext = true;\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" if (data.hasMore != undefined && data.hasMore) {\n"
|
||||
" this._hasMore = true;\n"
|
||||
" } \n"
|
||||
" }\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"QueryCursor.prototype.hasNext = function () {\n"
|
||||
" return this._hasNext;\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"QueryCursor.prototype.next = function () {\n"
|
||||
" if (!this._hasNext) {\n"
|
||||
" throw \"No more results\";\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" var result = this.data.result[this._pos];\n"
|
||||
" this._pos++;\n"
|
||||
" \n"
|
||||
" if (this._pos == this._count) {\n"
|
||||
" // reached last result\n"
|
||||
" \n"
|
||||
" this._hasNext = false;\n"
|
||||
" this._pos = 0;\n"
|
||||
" \n"
|
||||
" if (this._hasMore) {\n"
|
||||
" this._hasMore = false;\n"
|
||||
" \n"
|
||||
" // load more results \n"
|
||||
" var str = this._database._connection.put(\"/_api/cursor/\"+ encodeURIComponent(this.data._id), \"\");\n"
|
||||
"\n"
|
||||
" var requestResult = undefined;\n"
|
||||
" if (str != undefined) {\n"
|
||||
" requestResult = JSON.parse(str);\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" throwIfError(requestResult);\n"
|
||||
" \n"
|
||||
" this.data = requestResult;\n"
|
||||
" this._count = requestResult.result.length;\n"
|
||||
" \n"
|
||||
" if (this._pos < this._count) {\n"
|
||||
" this._hasNext = true;\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" if (requestResult.hasMore != undefined && requestResult.hasMore) {\n"
|
||||
" this._hasMore = true;\n"
|
||||
" } \n"
|
||||
" } \n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" return result;\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"\n"
|
||||
"////////////////////////////////////////////////////////////////////////////////\n"
|
||||
"//\n"
|
||||
"// QueryInstance\n"
|
||||
"//\n"
|
||||
"////////////////////////////////////////////////////////////////////////////////\n"
|
||||
"\n"
|
||||
"function QueryInstance (database, data) {\n"
|
||||
" this._database = database;\n"
|
||||
" this.doCount = false;\n"
|
||||
" this.bindVars = {};\n"
|
||||
" \n"
|
||||
" if (typeof data === \"string\") {\n"
|
||||
" this.query = data;\n"
|
||||
" }\n"
|
||||
" else if (data instanceof QueryTemplate) {\n"
|
||||
" this.queryTemplate = data;\n"
|
||||
" if (data.document.query == undefined) {\n"
|
||||
" data.load();\n"
|
||||
" if (data.document.query == undefined) {\n"
|
||||
" throw \"could not load query string\";\n"
|
||||
" }\n"
|
||||
" }\n"
|
||||
" this.query = data.document.query;\n"
|
||||
" } \n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"QueryInstance.prototype.bind = function (key, value) {\n"
|
||||
" this.bindVars[key] = value;\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"QueryInstance.prototype.setCount = function (bool) {\n"
|
||||
" if (bool) {\n"
|
||||
" this.doCount = true;\n"
|
||||
" }\n"
|
||||
" else {\n"
|
||||
" this.doCount = false; \n"
|
||||
" }\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"QueryInstance.prototype.execute = function () {\n"
|
||||
" var body = {\n"
|
||||
" query : this.query,\n"
|
||||
" count : this.doCount,\n"
|
||||
" bindVars : this.bindVars\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" var str = this._database._connection.post(\"/_api/cursor\", JSON.stringify(body));\n"
|
||||
"\n"
|
||||
" var requestResult = undefined;\n"
|
||||
" if (str != undefined) {\n"
|
||||
" requestResult = JSON.parse(str);\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" throwIfError(requestResult);\n"
|
||||
" \n"
|
||||
" return new QueryCursor(this._database, requestResult);\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"////////////////////////////////////////////////////////////////////////////////\n"
|
||||
"//\n"
|
||||
"// QueryTemplate\n"
|
||||
"//\n"
|
||||
"////////////////////////////////////////////////////////////////////////////////\n"
|
||||
"\n"
|
||||
"function QueryTemplate (database, data) {\n"
|
||||
" this._database = database;\n"
|
||||
"\n"
|
||||
" this.document = {\n"
|
||||
" collection : DEFAULT_QUERY_COLLECTION\n"
|
||||
" };\n"
|
||||
" \n"
|
||||
" if (typeof data === \"string\") {\n"
|
||||
" this.document.query = data;\n"
|
||||
" }\n"
|
||||
" else { \n"
|
||||
" if (data[\"query\"] != undefined) {\n"
|
||||
" this.document.query = data[\"query\"];\n"
|
||||
" }\n"
|
||||
"\n"
|
||||
" if (data[\"_id\"] != undefined) {\n"
|
||||
" this.document._id = data[\"_id\"];\n"
|
||||
" this._id = this.document._id;\n"
|
||||
" }\n"
|
||||
"\n"
|
||||
" if (data[\"collection\"] != undefined) {\n"
|
||||
" this.document.collection = data[\"collection\"];\n"
|
||||
" } \n"
|
||||
"\n"
|
||||
" if (data[\"name\"] != undefined) {\n"
|
||||
" this.document.name = data[\"name\"];\n"
|
||||
" } \n"
|
||||
"\n"
|
||||
" // TODO additional attributes\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" if (this.document.query == undefined && this.document._id == undefined) {\n"
|
||||
" throw \"QueryTemplate needs query or _id.\";\n"
|
||||
" }\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"QueryTemplate.prototype.getInstance = function () {\n"
|
||||
" if (this.document._id == undefined) {\n"
|
||||
" throw \"no _id found\"; \n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" return new QueryInstance(this._database, this);\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"QueryTemplate.prototype.update = function (data) {\n"
|
||||
" if (this.document._id == undefined) {\n"
|
||||
" throw \"no _id found\"; \n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" if (typeof data === \"string\") {\n"
|
||||
" this.document.query = data;\n"
|
||||
" }\n"
|
||||
" else {\n"
|
||||
" // update query or name \n"
|
||||
" if (data[\"query\"] != undefined) {\n"
|
||||
" this.document.query = data[\"query\"];\n"
|
||||
" }\n"
|
||||
"\n"
|
||||
" if (data[\"name\"] != undefined) {\n"
|
||||
" this.document.name = data[\"name\"];\n"
|
||||
" } \n"
|
||||
"\n"
|
||||
" // TODO additional attributes\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" var queryCollection = new AvocadoCollection(this._database, this.document.collection);\n"
|
||||
" if (queryCollection.update(this.document._id, this.document)) {\n"
|
||||
" return true;\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" return false;\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"QueryTemplate.prototype.delete = function () {\n"
|
||||
" if (this.document._id == undefined) {\n"
|
||||
" throw \"no _id found\"; \n"
|
||||
" }\n"
|
||||
"\n"
|
||||
" var queryCollection = new AvocadoCollection(this._database, this.document.collection);\n"
|
||||
" if (queryCollection.delete(this.document._id)) {\n"
|
||||
" this.document = {};\n"
|
||||
" return true;\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" return false;\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"QueryTemplate.prototype.load = function () {\n"
|
||||
" if (this.document._id == undefined) {\n"
|
||||
" throw \"QueryTemplate needs _id for loading\"; \n"
|
||||
" }\n"
|
||||
"\n"
|
||||
" var coll = this.document.collection;\n"
|
||||
" var queryCollection = new AvocadoCollection(this._database, coll);\n"
|
||||
" var requestResult = queryCollection.document(this.document._id);\n"
|
||||
" \n"
|
||||
" if (requestResult != undefined) {\n"
|
||||
"\n"
|
||||
" if (requestResult.query == undefined) {\n"
|
||||
" throw \"document is not a query\"; \n"
|
||||
" }\n"
|
||||
" // loaded\n"
|
||||
" this.document = requestResult;\n"
|
||||
" \n"
|
||||
" if (this.document.collection == undefined) {\n"
|
||||
" this.document.collection = coll;\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" return true;\n"
|
||||
" }\n"
|
||||
" return false; \n"
|
||||
"\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"QueryTemplate.prototype.save = function () {\n"
|
||||
" if (this.document._id != undefined) {\n"
|
||||
" throw \"use update to save changes\"; \n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" var queryCollection = new AvocadoCollection(this._database, this.document.collection);\n"
|
||||
" var requestResult = queryCollection.save(this.document);\n"
|
||||
" \n"
|
||||
" if (requestResult != undefined) {\n"
|
||||
" // document saved\n"
|
||||
" this.document._id = requestResult;\n"
|
||||
" this._id = this.document._id;\n"
|
||||
" return true;\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" return false; \n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"\n"
|
||||
"////////////////////////////////////////////////////////////////////////////////\n"
|
||||
"//\n"
|
||||
"// AvocadoDatabase\n"
|
||||
"//\n"
|
||||
"////////////////////////////////////////////////////////////////////////////////\n"
|
||||
"\n"
|
||||
"function AvocadoDatabase (connection) {\n"
|
||||
" this._connection = connection;\n"
|
||||
" \n"
|
||||
" // defaults\n"
|
||||
" this.queryCollection = \"query\";\n"
|
||||
" \n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"AvocadoDatabase.prototype._collections = function () {\n"
|
||||
" var str = this._connection.get(\"/_api/collections\");\n"
|
||||
" \n"
|
||||
" var requestResult = undefined;\n"
|
||||
" if (str != undefined) {\n"
|
||||
" requestResult = JSON.parse(str);\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" throwIfError(requestResult);\n"
|
||||
" \n"
|
||||
" if (requestResult[\"collections\"] != undefined) {\n"
|
||||
" \n"
|
||||
" // add all collentions to object\n"
|
||||
" for (var i in requestResult[\"collections\"]) {\n"
|
||||
" this[i] = new AvocadoCollection(this, requestResult[\"collections\"][i]);\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" return requestResult[\"collections\"];\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" return undefined;\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"AvocadoDatabase.prototype._collection = function (id) {\n"
|
||||
" var str = this._connection.get(\"/_api/collection/\" + encodeURIComponent(id));\n"
|
||||
" \n"
|
||||
" var requestResult = undefined;\n"
|
||||
" if (str != undefined) {\n"
|
||||
" requestResult = JSON.parse(str);\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" throwIfError(requestResult);\n"
|
||||
" \n"
|
||||
" if (requestResult[\"name\"] != undefined) {\n"
|
||||
" \n"
|
||||
" this[requestResult[\"name\"]] = new AvocadoCollection(this, requestResult);\n"
|
||||
" \n"
|
||||
" return requestResult;\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" return undefined;\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"AvocadoDatabase.prototype.createQueryTemplate = function (queryData) { \n"
|
||||
" var qt = new QueryTemplate(this, queryData);\n"
|
||||
" if (qt.save()) {\n"
|
||||
" return qt;\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" return undefined;\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"AvocadoDatabase.prototype.createQueryInstance = function (queryData) { \n"
|
||||
" return new QueryInstance(this, queryData);\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"AvocadoDatabase.prototype.getQueryTemplate = function (id) { \n"
|
||||
" var qt = new QueryTemplate(this, {\"_id\" : id});\n"
|
||||
" if (qt.load()) {\n"
|
||||
" return qt;\n"
|
||||
" }\n"
|
||||
" \n"
|
||||
" return undefined;\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"\n"
|
||||
"//\n"
|
||||
"// default database\n"
|
||||
"// \n"
|
||||
"db = new AvocadoDatabase(avocado);\n"
|
||||
"\n"
|
||||
"//\n"
|
||||
"// load collection data\n"
|
||||
"// \n"
|
||||
"\n"
|
||||
"db._collections();\n"
|
||||
"\n"
|
||||
"help();\n"
|
||||
;
|
||||
Loading…
Reference in New Issue