1   /*
2    * Copyright 2003 - 2013 The eFaps Team
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   *
16   * Revision:        $Rev$
17   * Last Changed:    $Date$
18   * Last Changed By: $Author$
19   */
20  
21  
22  package org.efaps.db.search.section;
23  
24  import org.efaps.db.AbstractObjectQuery;
25  import org.efaps.db.wrapper.SQLSelect;
26  import org.efaps.util.EFapsException;
27  
28  
29  /**
30   * Represent a section of a SQL Statement. Sections are: <br/>
31   * SELECT, WHERE, ORDER BY
32   *
33   * @author The eFaps Team
34   * @version $Id$
35   */
36  public abstract class AbstractQSection
37  {
38      /**
39       * Append to the SQLSelect.
40       * @param _select SQLSelect to be appended to
41       * @return this
42       * @throws EFapsException on error
43       *
44       */
45      public abstract AbstractQSection appendSQL(SQLSelect _select)
46          throws EFapsException;
47  
48      /**
49       * Prepare this section.
50       * @param _query Query this AbstractQSection belongs to
51       * @throws EFapsException on error
52       * @return this
53       */
54      public abstract AbstractQSection prepare(final AbstractObjectQuery<?> _query)
55          throws EFapsException;
56  
57  }