How to use

createCriteria

method

in

org.hibernate.Criteria

/**
 * Creates a nested DetachedCriteria representing the association path.
 *
 * @param associationPath The association path
 *
 * @return the newly created, nested DetachedCriteria
 */
public DetachedCriteria createCriteria(String associationPath) {
  return new DetachedCriteria( impl, criteria.createCriteria( associationPath ) );
}

/**
 * Creates a nested DetachedCriteria representing the association path, specifying the type of join to use.
 *
 * @param associationPath The association path
 * @param alias The alias to associate with this "join".
 * @param joinType The type of join to use
 *
 * @return the newly created, nested DetachedCriteria
 */
public DetachedCriteria createCriteria(String associationPath, String alias, JoinType joinType) {
  return new DetachedCriteria( impl, criteria.createCriteria( associationPath, alias, joinType ) );
}

/**
 * Creates a nested DetachedCriteria representing the association path.
 *
 * @param associationPath The association path
 * @param alias The alias to apply to that association path
 *
 * @return the newly created, nested DetachedCriteria
 */
public DetachedCriteria createCriteria(String associationPath, String alias) {
  return new DetachedCriteria( impl, criteria.createCriteria( associationPath, alias ) );
}

/**
 * Creates a nested DetachedCriteria representing the association path, specifying the type of join to use.
 *
 * @param associationPath The association path
 * @param joinType The type of join to use
 *
 * @return the newly created, nested DetachedCriteria
 */
public DetachedCriteria createCriteria(String associationPath, JoinType joinType) {
  return new DetachedCriteria( impl, criteria.createCriteria( associationPath, joinType ) );
}

/**
 * Creates a nested DetachedCriteria representing the association path, specifying the type of join to use and
 * an additional join restriction.
 *
 * @param associationPath The association path
 * @param alias The alias to associate with this "join".
 * @param joinType The type of join to use
 * @param withClause The additional join restriction
 *
 * @return the newly created, nested DetachedCriteria
 */
public DetachedCriteria createCriteria(String associationPath, String alias, JoinType joinType, Criterion withClause)  {
  return new DetachedCriteria(impl, criteria.createCriteria( associationPath, alias, joinType, withClause ) );
}

@Test
public void testCriteriaRestrictionOnKeyManyToOne() {
  Session s = openSession();
  s.beginTransaction();
  s.createQuery( "from Order o where o.customer.name = 'Acme'" ).list();
  Criteria criteria = s.createCriteria( Order.class );
  criteria.createCriteria( "customer" ).add( Restrictions.eq( "name", "Acme" ) );
  criteria.list();
  s.getTransaction().commit();
  s.close();
}

  protected Criteria getCriteria(Session s) {
    // should use RootEntityTransformer by default
    return s.createCriteria( Student.class, "s" )
        .createCriteria( "s.enrolments", "e", Criteria.LEFT_JOIN )
        .addOrder( Order.asc( "s.studentNumber") );
  }
};

  protected Criteria getCriteria(Session s) {
    // should use RootEntityTransformer by default
    return s.createCriteria( Student.class, "s" )
        .createCriteria( "s.addresses", Criteria.LEFT_JOIN )
        .addOrder( Order.asc( "s.studentNumber") );
  }
};

  protected Criteria getCriteria(Session s) {
    // should use RootEntityTransformer by default
    return s.createCriteria( Student.class, "s" )
        .createCriteria( "s.addresses", "a", Criteria.LEFT_JOIN )
        .addOrder( Order.asc( "s.studentNumber") );
  }
};

  protected Criteria getCriteria(Session s) {
    // should use RootEntityTransformer by default
    return s.createCriteria( Student.class, "s" )
        .createCriteria( "s.preferredCourse", Criteria.LEFT_JOIN )
        .addOrder( Order.asc( "s.studentNumber") );
  }
};

  protected Criteria getCriteria(Session s) {
    // should use RootEntityTransformer by default
    return s.createCriteria( Student.class, "s" )
        .createCriteria( "s.preferredCourse", "p", Criteria.LEFT_JOIN )
        .addOrder( Order.asc( "s.studentNumber") );
  }
};

  protected Criteria getCriteria(Session s) {
    // should use RootEntityTransformer by default
    return s.createCriteria( Student.class, "s" )
        .createCriteria( "s.enrolments", Criteria.LEFT_JOIN )
        .addOrder( Order.asc( "s.studentNumber") );
  }
};

@Test
public void testDiscriminatorFiltering() throws Exception {
  if ( ( getDialect() instanceof HSQLDialect ) ) return;
  Session s = openSession();
  Transaction t = s.beginTransaction();
  s.createQuery("from C1 c1 left join c1.c2s c2").list();
  s.createCriteria(C1.class).createCriteria("c2s").list();
  t.commit();
  s.close();
}

@Test
@TestForIssue( jiraKey = "HHH-7767" )
public void testCriteriaRestrictionOnIdManyToOne() {
  Session s = openSession();
  s.beginTransaction();
  s.createQuery( "from Course c join c.students cs join cs.student s where s.name = 'Foo'" ).list();
  Criteria criteria = s.createCriteria( Course.class );
  criteria.createCriteria( "students" ).createCriteria( "student" ).add( Restrictions.eq( "name", "Foo" ) );
  criteria.list();
  Criteria criteria2 = s.createCriteria( Course.class );
  criteria2.createAlias( "students", "cs" );
  criteria2.add( Restrictions.eq( "cs.value", "Bar" ) );
  criteria2.createAlias( "cs.student", "s" );
  criteria2.add( Restrictions.eq( "s.name", "Foo" ) );
  criteria2.list();
  s.getTransaction().commit();
  s.close();
}

  protected Criteria getCriteria(Session s) {
    // should use RootEntityTransformer by default
    return s.createCriteria( Student.class, "s" )
        .createCriteria( "s.preferredCourse", "pCourse", Criteria.LEFT_JOIN )
        .setFetchMode( "preferredCourse", FetchMode.JOIN )
        .addOrder( Order.asc( "s.studentNumber") );
  }
};

  protected Criteria getCriteria(Session s) {
    // should use RootEntityTransformer by default
    return s.createCriteria( Student.class, "s" )
        .createCriteria( "s.addresses", "a", Criteria.LEFT_JOIN )
        .setFetchMode( "a", FetchMode.JOIN )
        .addOrder( Order.asc( "s.studentNumber") );
  }
};

  protected Criteria getCriteria(Session s) {
    // should use RootEntityTransformer by default
    return s.createCriteria( Student.class, "s" )
        .createCriteria( "s.preferredCourse", "pCourse", Criteria.LEFT_JOIN )
        .setFetchMode( "pCourse", FetchMode.JOIN )
        .addOrder( Order.asc( "s.studentNumber") );
  }
};

  protected Criteria getCriteria(Session s) {
    // should use RootEntityTransformer by default
    return s.createCriteria( Student.class, "s" )
        .createCriteria( "s.addresses", "a", Criteria.LEFT_JOIN )
        .setFetchMode( "addresses", FetchMode.JOIN )
        .addOrder( Order.asc( "s.studentNumber") );
  }
};

private EntityMapEnum assertFindCriteria(
    EntityMapEnum expected,
    String mapPath, Object param) {
  assertNotEquals( 0, expected.id );
  Session session = openNewSession();
  session.beginTransaction();
  EntityMapEnum found = (EntityMapEnum) session.createCriteria( EntityMapEnum.class )
      .createCriteria( mapPath, "m" )
      .add( Restrictions.eq( "indices", param ) )
      .uniqueResult();
  //find
  assetEntityMapEnumEquals( expected, found );
  session.getTransaction().commit();
  session.close();
  return found;
}

  @Override
  protected Criteria getCriteria(Session s) {
    return s.createCriteria( Student.class, "s" )
        .createAlias( "s.addresses", "a", CriteriaSpecification.LEFT_JOIN )
            .setResultTransformer( CriteriaSpecification.ALIAS_TO_ENTITY_MAP )
        .createCriteria( "s.preferredCourse", CriteriaSpecification.INNER_JOIN )
        .addOrder( Order.asc( "s.studentNumber") );
  }
};