| /** |
| * 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 org.apache.storm.trident.windowing; |
| |
| import org.apache.storm.trident.state.State; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * {@code State} implementation for windowing operation. This is mainly used to get callback of commit txId of batches in which triggers are |
| * emitted. |
| */ |
| public class WindowsState implements State { |
| private static final Logger LOG = LoggerFactory.getLogger(WindowsState.class); |
| |
| private Long currentTxId; |
| |
| public WindowsState() { |
| } |
| |
| @Override |
| public void beginCommit(Long txId) { |
| currentTxId = txId; |
| LOG.debug(" WindowsState.beginCommit:: [{}] ", txId); |
| } |
| |
| @Override |
| public void commit(Long txId) { |
| LOG.debug("WindowsState.commit :: [{}]", txId); |
| } |
| |
| public Long getCurrentTxId() { |
| return currentTxId; |
| } |
| } |