Coverage Report

Coverage Report - org.apache.giraph.master.MasterObserver

Classes in this File

 /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 
 package org.apache.giraph.master;
 
 import org.apache.giraph.conf.ImmutableClassesGiraphConfigurable;
 import org.apache.giraph.metrics.AggregatedMetrics;
 import org.apache.giraph.partition.PartitionStats;
 
 import java.util.List;
 
 /**
  * Observer for Master.
  * It can implement ContextSettable if it needs to access job counters.
  */
 public interface MasterObserver extends ImmutableClassesGiraphConfigurable {
   /**
    * Before application begins.
    */
   void preApplication();
 
   /**
    * After application ends.
    */
   void postApplication();
 
   /**
    * If there is an error during the application.
    *
    * @param e Exception that caused failure. May be null.
    */
   void applicationFailed(Exception e);
 
   /**
    * Before each superstep starts.
    *
    * @param superstep The superstep number
    */
   void preSuperstep(long superstep);
 
   /**
    * After each superstep ends.
    *
    * @param superstep The superstep number
    */
   void postSuperstep(long superstep);
 
   /**
    * Called after each superstep with aggregated metrics from workers
    *
    * @param superstep Supsertep number
    * @param aggregatedMetrics Metrics
    * @param partitionStatsList List of partition stats
    */
   void superstepMetricsUpdate(
       long superstep, AggregatedMetrics aggregatedMetrics,
       List<PartitionStats> partitionStatsList);
 }

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.master;
20
21		import org.apache.giraph.conf.ImmutableClassesGiraphConfigurable;
22		import org.apache.giraph.metrics.AggregatedMetrics;
23		import org.apache.giraph.partition.PartitionStats;
24
25		import java.util.List;
26
27		/**
28		* Observer for Master.
29		* It can implement ContextSettable if it needs to access job counters.
30		*/
31		public interface MasterObserver extends ImmutableClassesGiraphConfigurable {
32		/**
33		* Before application begins.
34		*/
35		void preApplication();
36
37		/**
38		* After application ends.
39		*/
40		void postApplication();
41
42		/**
43		* If there is an error during the application.
44		*
45		* @param e Exception that caused failure. May be null.
46		*/
47		void applicationFailed(Exception e);
48
49		/**
50		* Before each superstep starts.
51		*
52		* @param superstep The superstep number
53		*/
54		void preSuperstep(long superstep);
55
56		/**
57		* After each superstep ends.
58		*
59		* @param superstep The superstep number
60		*/
61		void postSuperstep(long superstep);
62
63		/**
64		* Called after each superstep with aggregated metrics from workers
65		*
66		* @param superstep Supsertep number
67		* @param aggregatedMetrics Metrics
68		* @param partitionStatsList List of partition stats
69		*/
70		void superstepMetricsUpdate(
71		long superstep, AggregatedMetrics aggregatedMetrics,
72		List<PartitionStats> partitionStatsList);
73		}