| /* |
| * 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.geode.kafka.sink; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.kafka.connect.sink.SinkRecord; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.geode.cache.Region; |
| |
| /** |
| * A collection of records to put/remove from a region |
| */ |
| public class BatchRecords { |
| private static final Logger logger = LoggerFactory.getLogger(BatchRecords.class); |
| |
| private Map updateMap; |
| private Collection removeList; |
| |
| public BatchRecords() { |
| this(new HashMap(), new ArrayList()); |
| } |
| |
| /** Used for tests **/ |
| public BatchRecords(Map updateMap, Collection removeList) { |
| this.updateMap = updateMap; |
| this.removeList = removeList; |
| } |
| |
| public void addRemoveOperation(SinkRecord record) { |
| // if a previous operation added to the update map |
| // let's just remove it so we don't do a put and then a remove |
| // depending on the order of operations (putAll then removeAll or removeAll or putAll)... |
| // ...we could remove one of the if statements. |
| if (updateMap.containsKey(record.key())) { |
| updateMap.remove(record.key()); |
| } else { |
| removeList.add(record.key()); |
| } |
| } |
| |
| public void addUpdateOperation(SinkRecord record, boolean nullValuesMeansRemove) { |
| // it's assumed the records in are order |
| // if so if a previous value was in the remove list |
| // let's not remove it at the end of this operation |
| if (nullValuesMeansRemove) { |
| if (removeList.contains(record.key())) { |
| removeList.remove(record.key()); |
| } |
| } |
| updateMap.put(record.key(), record.value()); |
| } |
| |
| |
| public void executeOperations(Region region) { |
| if (region != null) { |
| region.putAll(updateMap); |
| region.removeAll(removeList); |
| } else { |
| logger.info("Unable to locate proxy region: " + region); |
| } |
| } |
| } |