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DefaultWorkerObserver xref
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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.giraph.worker;
20  
21  import org.apache.giraph.conf.ImmutableClassesGiraphConfiguration;
22  
23  /**
24   * Default Observer for Worker that does nothing.
25   */
26  public class DefaultWorkerObserver implements WorkerObserver {
27    /**
28     * The configuration stored here
29     */
30    private ImmutableClassesGiraphConfiguration conf;
31  
32    @Override
33    public void preLoad() {
34    }
35  
36    @Override
37    public void postSave() {
38    }
39  
40    @Override
41    public void preApplication() {
42    }
43  
44    @Override
45    public void postApplication() {
46    }
47  
48    @Override
49    public void preSuperstep(long superstep) {
50    }
51  
52    @Override
53    public void postSuperstep(long superstep) {
54    }
55  
56    @Override
57    public ImmutableClassesGiraphConfiguration getConf() {
58      return conf;
59    }
60  
61    @Override
62    public void setConf(ImmutableClassesGiraphConfiguration configuration) {
63      this.conf = configuration;
64    }
65  }