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58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
/** @file model.h */
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/* Copyright 2009 10gen
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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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#pragma once
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#include "dbclient.h"
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namespace mongo {
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/** Model is a base class for defining objects which are serializable to the Mongo
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database via the database driver.
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Definition
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Your serializable class should inherit from Model and implement the abstract methods
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below.
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Loading
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To load, first construct an (empty) object. Then call load(). Do not load an object
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more than once.
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*/
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class Model {
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public:
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Model() { }
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virtual ~Model() { }
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virtual const char * getNS() = 0;
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virtual void serialize(BSONObjBuilder& to) = 0;
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virtual void unserialize(const BSONObj& from) = 0;
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virtual string modelServer() = 0;
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/** Load a single object.
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@return true if successful.
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*/
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virtual bool load(BSONObj& query);
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virtual void save( bool safe=false );
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virtual void remove( bool safe=false );
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protected:
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BSONObj _id;
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};
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} // namespace mongo
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