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/**
* <copyright>
*
* Service Data Objects
* Version 2.0
* Licensed Materials - Property of BEA and IBM
*
* (c) Copyright BEA Systems, Inc. and International Business Machines Corp 2005. All rights reserved.
*
* </copyright>
*
*/
package commonj.sdo.helper;
import commonj.sdo.DataObject;
import commonj.sdo.Type;
import commonj.sdo.impl.HelperProvider;
/**
* A Factory for creating DataObjects.
* The created DataObjects are not connected to any other DataObjects.
*/
public interface DataFactory
{
/**
* Create a DataObject of the Type specified by typeName with the given package uri.
* @param uri The uri of the Type.
* @param typeName The name of the Type.
* @return the created DataObject.
* @throws IllegalArgumentException if the uri and typeName does
* not correspond to a Type this factory can instantiate.
*/
DataObject create(String uri, String typeName);
/**
* Create a DataObject supporting the given interface.
* InterfaceClass is the interface for the DataObject's Type.
* The DataObject created is an instance of the interfaceClass.
* @param interfaceClass is the interface for the DataObject's Type.
* @return the created DataObject.
* @throws IllegalArgumentException if the instanceClass does
* not correspond to a Type this factory can instantiate.
*/
DataObject create(Class interfaceClass);
/**
* Create a DataObject of the Type specified.
* @param type The Type.
* @return the created DataObject.
* @throws IllegalArgumentException if the Type
* cannot be instantiaed by this factory.
*/
DataObject create(Type type);
/**
* The default DataFactory.
*/
DataFactory INSTANCE = HelperProvider.getDataFactory();
}
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