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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
/* $Rev$ $Date$ */
#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;
virtual SDO_API DataObjectPtr createRootObject(const SDOString& uri,
const SDOString& 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;
virtual SDO_API const Type& getType(const SDOString& uri,
const SDOString& name) = 0;
};
};
};
#endif //_DATAGRAPH_H_
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