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/**
* Copyright (C) 2015 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#pragma once
#include "mongo/client/dbclient_cursor.h"
#include "mongo/scripting/mozjs/wraptype.h"
namespace mongo {
namespace mozjs {
/**
* Wraps a DBClientCursor in javascript
*
* Note that the install is private, so this class should only be constructible
* from C++. Current callers are all via the Mongo object.
*/
struct CursorInfo : public BaseInfo {
static void finalize(JSFreeOp* fop, JSObject* obj);
struct Functions {
MONGO_DECLARE_JS_FUNCTION(close);
MONGO_DECLARE_JS_FUNCTION(hasNext);
MONGO_DECLARE_JS_FUNCTION(isClosed);
MONGO_DECLARE_JS_FUNCTION(next);
MONGO_DECLARE_JS_FUNCTION(objsLeftInBatch);
MONGO_DECLARE_JS_FUNCTION(readOnly);
};
static const JSFunctionSpec methods[7];
static const char* const className;
static const unsigned classFlags = JSCLASS_HAS_PRIVATE;
static const InstallType installType = InstallType::Private;
/**
* We need this because the DBClientBase can go out of scope before all of
* its children (as in global shutdown). So we have to manage object
* lifetimes in C++ land.
*/
struct CursorHolder {
CursorHolder(std::unique_ptr<DBClientCursor> cursor, std::shared_ptr<DBClientBase> client)
: client(std::move(client)), cursor(std::move(cursor)) {}
std::shared_ptr<DBClientBase> client;
std::unique_ptr<DBClientCursor> cursor;
};
};
} // namespace mozjs
} // namespace mongo
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