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19 package org.apache.giraph.master;
20
21 import org.apache.giraph.conf.ImmutableClassesGiraphConfiguration;
22 import org.apache.giraph.metrics.AggregatedMetrics;
23 import org.apache.giraph.partition.PartitionStats;
24
25 import java.util.List;
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29
30 public class DefaultMasterObserver implements MasterObserver {
31
32 private ImmutableClassesGiraphConfiguration conf;
33
34 @Override
35 public void setConf(ImmutableClassesGiraphConfiguration configuration) {
36 this.conf = configuration;
37 }
38
39 @Override
40 public ImmutableClassesGiraphConfiguration getConf() {
41 return conf;
42 }
43
44 @Override
45 public void preApplication() { }
46
47 @Override
48 public void postApplication() { }
49
50 @Override
51 public void applicationFailed(Exception e) { }
52
53 @Override
54 public void preSuperstep(long superstep) { }
55
56 @Override
57 public void postSuperstep(long superstep) { }
58
59 @Override
60 public void superstepMetricsUpdate(long superstep,
61 AggregatedMetrics aggregatedMetrics,
62 List<PartitionStats> partitionStatsList) { }
63 }