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  package org.apache.cayenne.ejbql;
  
  import org.apache.cayenne.map.EntityResolver;
  
  /**
   * An abstract definition of EJBQL query parser. The actual parser implementing this
   * interface is generated from JavaCC grammar.
   * 
   * @since 3.0
   */
  public interface EJBQLParser {
  
      /**
       * Parses a string EJB QL into an {@link EJBQLExpression}.
       */
      EJBQLExpression parse(String ejbqlStatement) throws EJBQLException;
  
      /**
       * Parses and compiles an expression for the EntityResolver.
       */
      EJBQLCompiledExpression compile(String ejbqlStatement, EntityResolver resolver)
              throws EJBQLException;
  }
  