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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 java.util.List;
import commonj.sdo.DataObject;
import commonj.sdo.Property;
import commonj.sdo.Type;
import commonj.sdo.impl.HelperProvider;
/**
* Look up a Type given the uri and typeName or interfaceClass.
* SDO Types are available through the
* getType("commonj.sdo", typeName) method.
* Defines Types from DataObjects.
*/
public interface TypeHelper
{
/**
* Return the Type specified by typeName with the given uri,
* or null if not found.
* @param uri The uri of the Type - type.getURI();
* @param typeName The name of the Type - type.getName();
* @return the Type specified by typeName with the given uri,
* or null if not found.
*/
Type getType(String uri, String typeName);
/**
* Return the Type for this interfaceClass or null if not found.
* @param interfaceClass is the interface for the DataObject's Type -
* type.getInstanceClass();
* @return the Type for this interfaceClass or null if not found.
*/
Type getType(Class interfaceClass);
/**
* Define the DataObject as a Type.
* The Type is available through TypeHelper and DataGraph getType() methods.
* @param type the DataObject representing the Type.
* @return the defined Type.
* @throws IllegalArgumentException if the Type could not be defined.
*/
Type define(DataObject type);
/**
* Define the list of DataObjects as Types.
* The Types are available through TypeHelper and DataGraph getType() methods.
* @param types a List of DataObjects representing the Types.
* @return the defined Types.
* @throws IllegalArgumentException if the Types could not be defined.
*/
List /*Type*/ define(List /*DataObject*/ types);
/**
* The default TypeHelper.
*/
TypeHelper INSTANCE = HelperProvider.getTypeHelper();
}
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