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/*
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Rev$ $Date: 2005/12/22 16:54:14 $ */
#ifndef _DATAGRAPH_H_
#define _DATAGRAPH_H_
#include "commonj/sdo/RefCountingObject.h"
#include "commonj/sdo/Type.h"
#include "commonj/sdo/export.h"
#include "commonj/sdo/DataObject.h"
namespace commonj{
namespace sdo{
/**
* DataGraph holds a whole graph of data objects, starting from
* a single root. This class is not currently used in the C++
* implementation, but will be required by DAS implementations.
*/
class DataGraph : public RefCountingObject
{
public:
virtual ~DataGraph();
/**
*
* Gets the root data object of this graph.
*/
virtual SDO_API DataObjectPtr getRootObject() = 0;
/**
*
* gets the name of the element from which the root
* object was loaded (The XML definition).
*/
virtual SDO_API const char* getRootElementName() = 0;
/**
* Sets the Root data object.
*
*/
virtual SDO_API void setRootObject(DataObjectPtr dob) = 0;
/**
* Creates a root data object - used by DAS implementations.
*
*/
virtual SDO_API DataObjectPtr createRootObject(const char* uri,
const char* name) = 0;
/**
* Creates a root data object - used by DAS implementations.
*
*/
virtual SDO_API DataObjectPtr createRootObject(const Type& t) = 0;
/**
* Gets the change summary if there is one.
*
*/
virtual SDO_API ChangeSummaryPtr getChangeSummary() = 0;
/**
* Gets a type from the data factory.
*
*/
virtual SDO_API const Type& getType(const char* uri,
const char* name) = 0;
};
};
};
#endif //_DATAGRAPH_H_
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