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1   /*** 
2    * 
3    * Copyright 2004 Protique Ltd
4    * 
5    * Licensed under the Apache License, Version 2.0 (the "License"); 
6    * you may not use this file except in compliance with the License. 
7    * 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   **/
18  package org.codehaus.activecluster.impl;
19  
20  import org.codehaus.activecluster.Node;
21  import org.codehaus.activecluster.election.ElectionStrategy;
22  
23  
24  /***
25   * A client side proxy to the remove cluster
26   *
27   * @version $Revision: 1.3 $
28   */
29  public interface StateService {
30  
31      /***
32       * Sends a keep alive to the cluster
33       *
34       * @param node
35       */
36      public void keepAlive(Node node);
37  
38      /***
39       * Sends a shutdown message to the cluster
40       */
41      public void shutdown(Node node);
42      
43  }