| /** |
| * 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.apache.metron.dataloads.bulk; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| import java.util.Calendar; |
| import java.util.Date; |
| import java.util.concurrent.TimeUnit; |
| |
| public abstract class DataPruner { |
| |
| protected static final Logger LOG = LoggerFactory.getLogger(DataPruner.class); |
| protected long firstTimeMillis; |
| protected long lastTimeMillis; |
| protected String wildCard; |
| |
| public DataPruner(Date startDate, Integer numDays, String wildCard) throws StartDateException { |
| |
| Date startAtMidnight = dateAtMidnight(startDate); |
| this.lastTimeMillis = startDate.getTime(); |
| this.firstTimeMillis = lastTimeMillis - TimeUnit.DAYS.toMillis(numDays); |
| this.wildCard = wildCard; |
| |
| Date today = dateAtMidnight(new Date()); |
| |
| if (!today.after(startAtMidnight)) { |
| throw new StartDateException("Prune Start Date must be prior to today"); |
| } |
| } |
| |
| protected Date dateAtMidnight(Date date) { |
| |
| Calendar calendar = Calendar.getInstance(); |
| |
| calendar.setTime(date); |
| calendar.set(Calendar.HOUR_OF_DAY, 0); |
| calendar.set(Calendar.MINUTE, 0); |
| calendar.set(Calendar.SECOND, 0); |
| calendar.set(Calendar.MILLISECOND, 0); |
| return calendar.getTime(); |
| |
| } |
| |
| |
| public abstract Long prune() throws IOException; |
| |
| |
| } |