Package org.hibernate.hql

Examples of org.hibernate.hql.QueryTranslatorFactory

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  protected void runClassicTranslator(String hql) throws Exception {
    SessionFactoryImplementor factory = getSessionFactoryImplementor();
    Map replacements = new HashMap();
    QueryTranslator oldQueryTranslator = null;
    try {
      QueryTranslatorFactory classic = new ClassicQueryTranslatorFactory();
      oldQueryTranslator = classic.createQueryTranslator( hql, hql, Collections.EMPTY_MAP, factory );
      oldQueryTranslator.compile( replacements, false );
    }
    catch ( Exception e ) {
      e.printStackTrace();
      throw e;
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    // steve -> note that the empty maps here represent the currently enabled filters...
    QueryTranslator oldQueryTranslator = null;
    Exception oldException = null;
    try {
      System.out.println("Compiling with classic QueryTranslator...");
      QueryTranslatorFactory classic = new ClassicQueryTranslatorFactory();
      oldQueryTranslator = classic.createQueryTranslator( hql, hql, Collections.EMPTY_MAP, factory );
      oldQueryTranslator.compile( replacements, scalar );
    }
    catch ( QueryException e ) {
      oldException = e;
    }
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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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    assertEquals( "incorrect return type", Hibernate.BIG_DECIMAL, translator.getReturnTypes()[0] );

    // special case to test classicquery special case handling of count(*)
    QueryTranslator oldQueryTranslator = null;
    String hql = "select count(*) from Human h";
    QueryTranslatorFactory classic = new ClassicQueryTranslatorFactory();
    oldQueryTranslator = classic.createQueryTranslator( hql, hql, Collections.EMPTY_MAP, sfi() );
    oldQueryTranslator.compile( Collections.EMPTY_MAP, true);
    assertEquals( "incorrect return type count", 1, oldQueryTranslator.getReturnTypes().length );
    assertEquals( "incorrect return type", Hibernate.INTEGER, oldQueryTranslator.getReturnTypes()[0] );

  }
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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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    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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    assertEquals( "incorrect return type", Hibernate.BIG_DECIMAL, translator.getReturnTypes()[0] );

    // special case to test classicquery special case handling of count(*)
    QueryTranslator oldQueryTranslator = null;
    String hql = "select count(*) from Human h";
    QueryTranslatorFactory classic = new ClassicQueryTranslatorFactory();
    oldQueryTranslator = classic.createQueryTranslator( hql, hql, Collections.EMPTY_MAP, getSessionFactoryImplementor() );
    oldQueryTranslator.compile( Collections.EMPTY_MAP, true);
    assertEquals( "incorrect return type count", 1, oldQueryTranslator.getReturnTypes().length );
    assertEquals( "incorrect return type", Hibernate.LONG, oldQueryTranslator.getReturnTypes()[0] );

  }
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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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Related Classes of org.hibernate.hql.QueryTranslatorFactory

  • org.hibernate.engine.query.HQLQueryPlan
  • org.hibernate.test.hql.CriteriaClassicAggregationReturnTest
  • org.hibernate.test.hql.CriteriaHQLAlignmentTest
  • org.hibernate.test.hql.EJBQLTest
  • org.hibernate.test.hql.HQLTest
  • org.hibernate.test.hql.QueryTranslatorTestCase
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