1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */ 
17  package org.apache.commons.betwixt.schema;
18  
19  /** 
20   * <p> This is a bean specifically designed to test cyclic references. 
21   * The idea is that there's a count that counts every time <code>getFriend</code>
22   * gets called and throws a <code>RuntimeException</code> if the count gets too high.</p>
23   *
24   * @author <a href='http://commons.apache.org'>Apache Commons Team</a>, <a href='http://www.apache.org'>Apache Software Foundation</a>
25   */
26  public class CyclicColumn extends ParentColumn {
27      private static int count = 0;     
28      private static final int max_count = 100;
29      
30      private CyclicBean bean;
31        
32        
33      public CyclicColumn(String name) 
34      {
35        super(name);
36      }
37        
38      public CyclicBean getBean()
39      {
40        if (++count > max_count)
41        {
42          throw new RuntimeException("Cyclic Reference!");
43        }
44        return bean;
45      }
46      
47      public void setBean(CyclicBean aBean)
48      {
49        this.bean = aBean;
50      }
51        
52      public String toString()
53      {
54        return "[CyclicColumn] name=" + getName();
55      }
56  
57  }