Examples of org.hibernate.hql.ast.ASTQueryTranslatorFactory

org.hibernate.hql.ast.ASTQueryTranslatorFactory
Generates translators which uses the Antlr-based parser to perform the translation. @author Gavin King




  // Private


  private void assertEjbqlEqualsHql(String ejbql, String hql) {
    QueryTranslatorFactory ast = new ASTQueryTranslatorFactory();


    QueryTranslator queryTranslator = ast.createQueryTranslator( hql, hql, Collections.EMPTY_MAP, sfi() );
    queryTranslator.compile( Collections.EMPTY_MAP, true );
    String hqlSql = queryTranslator.getSQLString();


    queryTranslator = ast.createQueryTranslator( ejbql, ejbql, Collections.EMPTY_MAP, sfi() );
    queryTranslator.compile( Collections.EMPTY_MAP, true );
    String ejbqlSql = queryTranslator.getSQLString();


    assertEquals( hqlSql, ejbqlSql );
  }

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    assertEquals( hqlSql, ejbqlSql );
  }


  private QueryTranslatorImpl compile(String input) {
    QueryTranslatorFactory ast = new ASTQueryTranslatorFactory();
    QueryTranslator queryTranslator = ast.createQueryTranslator( input, input, Collections.EMPTY_MAP, sfi() );
    queryTranslator.compile( Collections.EMPTY_MAP, true );


    return ( QueryTranslatorImpl ) queryTranslator;
  }

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    return ast;
  }


  private String toSql(String hql) {
    QueryTranslatorFactory ast = new ASTQueryTranslatorFactory();
    QueryTranslator queryTranslator = ast.createQueryTranslator( hql, hql, Collections.EMPTY_MAP, sfi() );
    queryTranslator.compile( Collections.EMPTY_MAP, true );
    return queryTranslator.getSQLString();
  }

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    compileWithAstQueryTranslator("from Animal where zoo is null", false);
  }


  private void compileWithAstQueryTranslator(String hql, boolean scalar) {
    Map replacements = new HashMap();
    QueryTranslatorFactory ast = new ASTQueryTranslatorFactory();
    SessionFactoryImplementor factory = getSessionFactoryImplementor();
    QueryTranslator newQueryTranslator = ast.createQueryTranslator( hql, hql, Collections.EMPTY_MAP, factory );
    newQueryTranslator.compile( replacements, scalar );
  }

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    compileWithAstQueryTranslator("from Animal where zoo is null", false);
  }


  private void compileWithAstQueryTranslator(String hql, boolean scalar) {
    Map replacements = new HashMap();
    QueryTranslatorFactory ast = new ASTQueryTranslatorFactory();
    SessionFactoryImplementor factory = getSessionFactoryImplementor();
    QueryTranslator newQueryTranslator = ast.createQueryTranslator( hql, hql, Collections.EMPTY_MAP, factory );
    newQueryTranslator.compile( replacements, scalar );
  }

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    SessionFactoryImplementor factory = getSessionFactoryImplementor();
    return createNewQueryTranslator( hql, replacements, scalar, factory );
  }


  private QueryTranslatorImpl createNewQueryTranslator(String hql, Map replacements, boolean scalar, SessionFactoryImplementor factory) {
    QueryTranslatorFactory ast = new ASTQueryTranslatorFactory();
    QueryTranslatorImpl newQueryTranslator = ( QueryTranslatorImpl ) ast.createQueryTranslator( hql, hql, Collections.EMPTY_MAP, factory );
    newQueryTranslator.compile( replacements, scalar );
    return newQueryTranslator;
  }

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    QueryTranslator newQueryTranslator;
    Map replacements = null;
    Exception newException = null;
    SessionFactoryImplementor factory = getSessionFactoryImplementor();
    try {
      QueryTranslatorFactory ast = new ASTQueryTranslatorFactory();
      newQueryTranslator = ast.createQueryTranslator( hql, hql, Collections.EMPTY_MAP, factory );
      newQueryTranslator.compile( replacements, scalar );
    }
    catch ( QueryException e ) {
      newException = e;
    }

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    compileWithAstQueryTranslator("from Animal where zoo is null", false);
  }


  private void compileWithAstQueryTranslator(String hql, boolean scalar) {
    Map replacements = new HashMap();
    QueryTranslatorFactory ast = new ASTQueryTranslatorFactory();
    SessionFactoryImplementor factory = getSessionFactoryImplementor();
    QueryTranslator newQueryTranslator = ast.createQueryTranslator( hql, hql, Collections.EMPTY_MAP, factory );
    newQueryTranslator.compile( replacements, scalar );
  }

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  // Private


  private void assertEjbqlEqualsHql(String ejbql, String hql) {
    QueryTranslatorFactory ast = new ASTQueryTranslatorFactory();


    QueryTranslator queryTranslator = ast.createQueryTranslator( hql, hql, Collections.EMPTY_MAP, sfi() );
    queryTranslator.compile( Collections.EMPTY_MAP, true );
    String hqlSql = queryTranslator.getSQLString();


    queryTranslator = ast.createQueryTranslator( ejbql, ejbql, Collections.EMPTY_MAP, sfi() );
    queryTranslator.compile( Collections.EMPTY_MAP, true );
    String ejbqlSql = queryTranslator.getSQLString();


    assertEquals( hqlSql, ejbqlSql );
  }

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    assertEquals( hqlSql, ejbqlSql );
  }


  private QueryTranslatorImpl compile(String input) {
    QueryTranslatorFactory ast = new ASTQueryTranslatorFactory();
    QueryTranslator queryTranslator = ast.createQueryTranslator( input, input, Collections.EMPTY_MAP, sfi() );
    queryTranslator.compile( Collections.EMPTY_MAP, true );


    return ( QueryTranslatorImpl ) queryTranslator;
  }

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