| /* |
| * Copyright (c) 2013 DataTorrent, Inc. ALL Rights Reserved. |
| * |
| * Licensed 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 com.datatorrent.demos.scalability; |
| |
| import com.datatorrent.api.BaseOperator; |
| import com.datatorrent.api.Context.OperatorContext; |
| import com.datatorrent.api.DefaultInputPort; |
| import com.datatorrent.api.DefaultOutputPort; |
| import com.datatorrent.api.annotation.InputPortFieldAnnotation; |
| import com.datatorrent.api.annotation.OutputPortFieldAnnotation; |
| |
| |
| |
| import java.util.Calendar; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.commons.lang.mutable.MutableDouble; |
| |
| /** |
| * <p> |
| * BucketOperator class. |
| * </p> |
| * |
| * @since 0.3.2 |
| */ |
| public class BucketOperator extends BaseOperator |
| { |
| |
| private int partitions; |
| |
| private HashMap<AggrKey, Map<String, MutableDouble>> aggrMap; |
| |
| @OutputPortFieldAnnotation(name = "outputPort", optional = false) |
| public final transient DefaultOutputPort<KeyHashValPair<Map<String, MutableDouble>>> outputPort = new DefaultOutputPort<KeyHashValPair<Map<String, MutableDouble>>>() { |
| @Override |
| public Unifier<KeyHashValPair<Map<String, MutableDouble>>> getUnifier() |
| { |
| AdsAggregationOperator unifier = new AdsAggregationOperator(); |
| return unifier; |
| } |
| }; |
| |
| @Override |
| public void setup(OperatorContext context) |
| { |
| super.setup(context); |
| |
| } |
| |
| @Override |
| public void beginWindow(long windowId) |
| { |
| super.beginWindow(windowId); |
| aggrMap = new HashMap<AggrKey, Map<String, MutableDouble>>(); |
| } |
| |
| @Override |
| public void endWindow() |
| { |
| // outputPort.emit(aggrMap); |
| for (Map.Entry<AggrKey, Map<String, MutableDouble>> entry : aggrMap.entrySet()) { |
| // Map<AggrKey, Map<String, MutableDouble>> map = new HashMap<AggrKey, |
| // Map<String, MutableDouble>>(); |
| // map.put(entry.getKey(), entry.getValue()); |
| // outputPort.emit(map); |
| outputPort.emit(new KeyHashValPair<Map<String, MutableDouble>>(entry.getKey(), entry.getValue())); |
| } |
| aggrMap.clear(); |
| } |
| |
| @Override |
| public void teardown() |
| { |
| super.teardown(); // To change body of generated methods, choose Tools | |
| // Templates. |
| } |
| |
| public int getPartitions() |
| { |
| return partitions; |
| } |
| |
| public void setPartitions(int partitions) |
| { |
| this.partitions = partitions; |
| } |
| |
| @InputPortFieldAnnotation(name = "inputPort", optional = false) |
| public transient DefaultInputPort<AdInfo> inputPort = new DefaultInputPort<AdInfo>() { |
| |
| @Override |
| public void process(AdInfo tuple) |
| { |
| Calendar calendar = Calendar.getInstance(); |
| calendar.setTimeInMillis(tuple.getTimestamp()); |
| AggrKey aggrKey = new AggrKey(calendar, AggrKey.TIMESPEC_MINUTE_SPEC, tuple.getPublisherId(), tuple.getAdvertiserId(), tuple.getAdUnit()); |
| aggrKey.setParitions(getPartitions()); |
| Map<String, MutableDouble> map = aggrMap.get(aggrKey); |
| if (map == null) { |
| map = new HashMap<String, MutableDouble>(); |
| aggrMap.put(aggrKey, map); |
| } |
| if (!tuple.isClick()) { |
| updateVal(map, "0", 1); |
| updateVal(map, "1", tuple.getValue()); |
| updateVal(map, "2", 0.0); |
| updateVal(map, "3", 1); |
| updateVal(map, "4", 0); |
| } else { |
| updateVal(map, "0", 1); |
| updateVal(map, "1", 0.0); |
| updateVal(map, "2", tuple.getValue()); |
| updateVal(map, "3", 0); |
| updateVal(map, "4", 1); |
| } |
| } |
| |
| void updateVal(Map<String, MutableDouble> map, String key, Number val) |
| { |
| MutableDouble cval = map.get(key); |
| if (cval == null) { |
| map.put(key, new MutableDouble(val)); |
| } else { |
| cval.add(val); |
| } |
| } |
| |
| }; |
| |
| } |