| /* |
| * 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.iotdb.db.engine.querycontext; |
| |
| import org.apache.iotdb.db.engine.storagegroup.TsFileResource; |
| import org.apache.iotdb.tsfile.read.filter.TimeFilter; |
| import org.apache.iotdb.tsfile.read.filter.basic.Filter; |
| import org.apache.iotdb.tsfile.read.filter.operator.AndFilter; |
| |
| import java.util.List; |
| |
| public class QueryDataSource { |
| private List<TsFileResource> seqResources; |
| private List<TsFileResource> unseqResources; |
| |
| /** data older than currentTime - dataTTL should be ignored. */ |
| private long dataTTL = Long.MAX_VALUE; |
| |
| public QueryDataSource(List<TsFileResource> seqResources, List<TsFileResource> unseqResources) { |
| this.seqResources = seqResources; |
| this.unseqResources = unseqResources; |
| } |
| |
| public List<TsFileResource> getSeqResources() { |
| return seqResources; |
| } |
| |
| public List<TsFileResource> getUnseqResources() { |
| return unseqResources; |
| } |
| |
| public long getDataTTL() { |
| return dataTTL; |
| } |
| |
| public void setDataTTL(long dataTTL) { |
| this.dataTTL = dataTTL; |
| } |
| |
| /** @return an updated filter concerning TTL */ |
| public Filter updateFilterUsingTTL(Filter filter) { |
| if (dataTTL != Long.MAX_VALUE) { |
| if (filter != null) { |
| filter = new AndFilter(filter, TimeFilter.gtEq(System.currentTimeMillis() - dataTTL)); |
| } else { |
| filter = TimeFilter.gtEq(System.currentTimeMillis() - dataTTL); |
| } |
| } |
| return filter; |
| } |
| } |