| /* |
| * 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.pig.tools.pigstats.spark; |
| |
| |
| import org.apache.spark.api.java.JavaSparkContext; |
| |
| import java.io.Serializable; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public abstract class SparkCounterGroup<T> implements Serializable { |
| protected String groupName; |
| protected String groupDisplayName; |
| protected Map<String, SparkCounter<T>> sparkCounters; |
| |
| protected transient JavaSparkContext javaSparkContext; |
| |
| private SparkCounterGroup() { |
| // For serialization. |
| } |
| |
| public SparkCounterGroup( |
| String groupName, |
| String groupDisplayName, |
| JavaSparkContext javaSparkContext) { |
| this.groupName = groupName; |
| this.groupDisplayName = groupDisplayName; |
| this.javaSparkContext = javaSparkContext; |
| this.sparkCounters = new HashMap<String, SparkCounter<T>>(); |
| } |
| |
| public abstract void createCounter(String name, T initValue); |
| |
| public SparkCounter getCounter(String name) { |
| return sparkCounters.get(name); |
| } |
| |
| public String getGroupName() { |
| return groupName; |
| } |
| |
| public String getGroupDisplayName() { |
| return groupDisplayName; |
| } |
| |
| public void setGroupDisplayName(String groupDisplayName) { |
| this.groupDisplayName = groupDisplayName; |
| } |
| |
| public Map<String, SparkCounter<T>> getSparkCounters() { |
| return sparkCounters; |
| } |
| |
| public static class LongSparkCounterGroup extends SparkCounterGroup<Long> { |
| |
| public LongSparkCounterGroup( |
| String groupName, |
| String groupDisplayName, |
| JavaSparkContext javaSparkContext) { |
| super(groupName,groupDisplayName,javaSparkContext); |
| } |
| public void createCounter(String name, Long initValue){ |
| SparkCounter counter = new SparkCounter.LongSparkCounter(name, name, groupName, initValue, javaSparkContext); |
| sparkCounters.put(name,counter); |
| } |
| } |
| |
| public static class MapSparkCounterGroup extends SparkCounterGroup<Map<String,Long>> { |
| |
| public MapSparkCounterGroup( |
| String groupName, |
| String groupDisplayName, |
| JavaSparkContext javaSparkContext) { |
| super(groupName,groupDisplayName,javaSparkContext); |
| } |
| public void createCounter(String name, Map<String,Long> initValue){ |
| SparkCounter counter = new SparkCounter.MapSparkCounter(name, name, groupName, initValue, javaSparkContext); |
| sparkCounters.put(name,counter); |
| } |
| } |
| } |