Java tutorial
/* * Copyright (c) 2017. Hans-Peter Grahsl (grahslhp@gmail.com) * * 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.everydots.kafka.connect.mongodb.processor; import com.everydots.kafka.connect.mongodb.MongoDbSinkConnectorConfig; import com.everydots.kafka.connect.mongodb.converter.SinkDocument; import com.everydots.kafka.connect.mongodb.processor.id.strategy.IdStrategy; import com.mongodb.DBCollection; import org.apache.kafka.connect.sink.SinkRecord; public class DocumentIdAdder extends PostProcessor { IdStrategy idStrategy; public DocumentIdAdder(MongoDbSinkConnectorConfig config) { this(config, config.getIdStrategy()); } public DocumentIdAdder(MongoDbSinkConnectorConfig config, IdStrategy idStrategy) { super(config); this.idStrategy = idStrategy; } @Override public void process(SinkDocument doc, SinkRecord orig) { doc.getValueDoc().ifPresent(vd -> vd.append(DBCollection.ID_FIELD_NAME, idStrategy.generateId(doc, orig))); getNext().ifPresent(pp -> pp.process(doc, orig)); } }