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  package org.apache.cayenne.unit.util;
  
  import java.util.Map;
  
  import org.apache.cayenne.dba.DbAdapter;
  import org.apache.cayenne.query.SQLTemplate;
  
  /**
   * Helper class to customize SQLTemplate queries used in test cases per adapter.
   */
  public class SQLTemplateCustomizer {
  
      protected DbAdapter adapter;
      protected Map<String, Map<String, String>> sqlMap;
  
      public SQLTemplateCustomizer(Map<String, Map<String, String>> sqlMap,
              DbAdapter adapter) {
          this.sqlMap = sqlMap;
          this.adapter = adapter;
      }
  
      /**
       * Customizes SQLTemplate, injecting the template for the current adapter.
       */
      public void updateSQLTemplate(SQLTemplate query) {
          Map<String, String> customSQL = sqlMap.get(query.getDefaultTemplate());
          if (customSQL != null) {
              String key = adapter.getClass().getName();
              String template = customSQL.get(key);
              if (template != null) {
                  query.setTemplate(key, template);
              }
          }
      }
  
      public SQLTemplate createSQLTemplate(Class<?> root, String defaultTemplate) {
          SQLTemplate template = new SQLTemplate(root, defaultTemplate);
          updateSQLTemplate(template);
          return template;
      }
  
  }
  