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  package org.apache.cayenne.access.translator.ejbql;
  
  import org.apache.cayenne.ejbql.EJBQLExpressionVisitor;
  
  /**
   * Defines a factory for translation visitors of EJBQL. DbAdapters can customize EJBQL
   * translation by providing their own factory implementation.
   * 
   * @since 3.0
   */
  public interface EJBQLTranslatorFactory {
      
      EJBQLJoinAppender getJoinAppender(EJBQLTranslationContext context);
  
      EJBQLExpressionVisitor getSelectTranslator(EJBQLTranslationContext context);
  
      EJBQLExpressionVisitor getDeleteTranslator(EJBQLTranslationContext context);
  
      EJBQLExpressionVisitor getUpdateTranslator(EJBQLTranslationContext context);
  
      EJBQLExpressionVisitor getAggregateColumnTranslator(EJBQLTranslationContext context);
  
      EJBQLExpressionVisitor getConditionTranslator(EJBQLTranslationContext context);
  
      EJBQLExpressionVisitor getFromTranslator(EJBQLTranslationContext context);
  
      EJBQLExpressionVisitor getGroupByTranslator(EJBQLTranslationContext context);
  
      EJBQLExpressionVisitor getIdentifierColumnsTranslator(EJBQLTranslationContext context);
  
      EJBQLExpressionVisitor getOrderByTranslator(EJBQLTranslationContext context);
  
      EJBQLExpressionVisitor getSelectColumnsTranslator(EJBQLTranslationContext context);
  
      EJBQLExpressionVisitor getUpdateItemTranslator(EJBQLTranslationContext context);
  }
  