CreateTableAll


1   /**
2    * Sequoia: Database clustering technology.
3    * Copyright (C) 2002-2004 French National Institute For Research In Computer
4    * Science And Control (INRIA).
5    * Copyright (C) 2005 AmicoSoft, Inc. dba Emic Networks
6    * Contact: sequoia@continuent.org
7    * 
8    * Licensed under the Apache License, Version 2.0 (the "License");
9    * you may not use this file except in compliance with the License.
10   * You may obtain a copy of the License at
11   * 
12   * http://www.apache.org/licenses/LICENSE-2.0
13   * 
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License. 
19   *
20   * Initial developer(s): Emmanuel Cecchet.
21   * Contributor(s): Jean-Bernard van Zuylen
22   */
23  
24  package org.continuent.sequoia.controller.loadbalancer.policies.createtable;
25  
26  import java.util.ArrayList  ;
27  
28  /**
29   * Use all backends for <code>CREATE TABLE</code> statements.
30   * 
31   * @author <a HREF="mailto:Emmanuel.Cecchet@inria.fr">Emmanuel Cecchet</a>
32   * @author <a HREF="mailto:jbvanzuylen@transwide.com">Jean-Bernard van Zuylen
33   *         </a>
34   * @version 1.0
35   */
36  public class CreateTableAll extends CreateTableRule
37  {
38  
39    /**
40     * Creates a new <code>CreateTableAll</code> instance.
41     */
42    public CreateTableAll()
43    {
44      super(CreateTablePolicy.ALL);
45    }
46  
47    /**
48     * Creates a new <code>CreateTableAll</code> instance.
49     * 
50     * @param backendList <code>ArryList</code> of backend
51     */
52    public CreateTableAll(ArrayList   backendList)
53    {
54      super(CreateTablePolicy.ALL, backendList);
55    }
56  
57    /**
58     * @see org.continuent.sequoia.controller.loadbalancer.policies.createtable.CreateTableRule#getBackends(ArrayList)
59     */
60    public ArrayList   getBackends(ArrayList   backends) throws CreateTableException
61    {
62      return super.getBackends(backends);
63    }
64  
65    /**
66     * @see org.continuent.sequoia.controller.loadbalancer.policies.createtable.CreateTableRule#getInformation()
67     */
68    public String   getInformation()
69    {
70      String   s;
71      if (tableName == null)
72        s = "Default rule create table on ";
73      else
74        s = "Rule for table " + tableName + " create table on ";
75  
76      return s + " all nodes in " + backendList;
77    }
78  }
79
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