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/**
 * 
 *
 * Service Data Objects
 * Version 2.1.1
 * Licensed Materials
 *
 * (c) Copyright BEA Systems, Inc., International Business Machines Corporation, 
 * Oracle Corporation, Primeton Technologies Ltd., Rogue Wave Software, SAP AG., 
 * Software AG., Sun Microsystems, Sybase Inc., Xcalia, Zend Technologies, 
 * 2005-2008. All rights reserved.
 *
 * 
 * 
 */

package commonj.sdo.helper;

/**
 * This interface represents a helper execution context.
 * The set of helpers returned by the methods in this interface have visibility
 * to the same SDO metadata, that is, they execute in the same "scope".
 */
public interface HelperContext
{
  /**
   * Gets the CopyHelper to use in this context.
   * @return a CopyHelper object
   */
  CopyHelper getCopyHelper();

  /**
   * Gets the DataFactory to use in this context.
   * @return a DataFactory object
   */
  DataFactory getDataFactory();

  /**
   * Gets the DataHelper to use in this context.
   * @return a DataHelper object
   */
  DataHelper getDataHelper();

  /**
   * Gets the EqualityHelper to use in this context.
   * @return an EqualityHelper object
   */
  EqualityHelper getEqualityHelper();
  
  /**
   * Gets the TypeHelper to use in this context.
   * @return a TypeHelper object
   */
  TypeHelper getTypeHelper();

  /**
   * Gets the XMLHelper to use in this context.
   * @return an XMLHelper object
   */
  XMLHelper getXMLHelper();
  
  /**
   * Gets the XSDHelper to use in this context.
   * @return an XSDHelper object
   */
  XSDHelper getXSDHelper();
}