/** * 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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 storm.trident.windowing; import java.util.List; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import backtype.storm.coordination.BatchOutputCollector; import storm.trident.operation.Aggregator; import storm.trident.spout.IBatchID; import storm.trident.tuple.TridentTuple; import storm.trident.windowing.config.WindowConfig; /** * This {@code ITridentWindowManager} instance stores all the tuples and trigger related information inmemory. */ public class InMemoryTridentWindowManager extends AbstractTridentWindowManager<TridentTuple> { private static final Logger LOG = LoggerFactory.getLogger(InMemoryTridentWindowManager.class); public InMemoryTridentWindowManager(WindowConfig windowConfig, String windowTaskId, WindowsStore windowStore, Aggregator aggregator, BatchOutputCollector delegateCollector) { super(windowConfig, windowTaskId, windowStore, aggregator, delegateCollector); } @Override protected void initialize() { LOG.debug("noop in initialize"); } @Override public List<TridentTuple> getTridentTuples(List<TridentTuple> tridentBatchTuples) { return tridentBatchTuples; } @Override public void onTuplesExpired(List<TridentTuple> expiredTuples) { LOG.debug("InMemoryTridentWindowManager.onTuplesExpired"); } public void addTuplesBatch(Object batchId, List<TridentTuple> tuples) { LOG.debug("Adding tuples to window-manager for batch: [{}]", batchId); for (TridentTuple tridentTuple : tuples) { windowManager.add(tridentTuple); } } public String getBatchTxnId(Object batchId) { if (!(batchId instanceof IBatchID)) { throw new IllegalArgumentException("argument should be an IBatchId instance"); } return ((IBatchID) batchId).getId().toString(); } }