| /* |
| * 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.queryengine.plan.planner.plan.parameter; |
| |
| import org.apache.iotdb.commons.path.AlignedPath; |
| import org.apache.iotdb.commons.path.PartialPath; |
| import org.apache.iotdb.commons.utils.CommonDateTimeUtils; |
| |
| import org.apache.tsfile.read.filter.basic.Filter; |
| import org.apache.tsfile.read.filter.factory.FilterFactory; |
| import org.apache.tsfile.read.filter.factory.TimeFilterApi; |
| import org.apache.tsfile.read.reader.series.PaginationController; |
| |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| public class SeriesScanOptions { |
| |
| private Filter globalTimeFilter; |
| |
| private Filter pushDownFilter; |
| |
| private final long pushDownLimit; |
| private final long pushDownOffset; |
| |
| private final Set<String> allSensors; |
| |
| public SeriesScanOptions( |
| Filter globalTimeFilter, |
| Filter pushDownFilter, |
| long pushDownLimit, |
| long pushDownOffset, |
| Set<String> allSensors) { |
| this.globalTimeFilter = globalTimeFilter; |
| this.pushDownFilter = pushDownFilter; |
| this.pushDownLimit = pushDownLimit; |
| this.pushDownOffset = pushDownOffset; |
| this.allSensors = allSensors; |
| } |
| |
| public static SeriesScanOptions getDefaultSeriesScanOptions(PartialPath seriesPath) { |
| Builder builder = new Builder(); |
| if (seriesPath instanceof AlignedPath) { |
| builder.withAllSensors(new HashSet<>(((AlignedPath) seriesPath).getMeasurementList())); |
| } else { |
| builder.withAllSensors(new HashSet<>(Collections.singletonList(seriesPath.getMeasurement()))); |
| } |
| return builder.build(); |
| } |
| |
| public Filter getGlobalTimeFilter() { |
| return globalTimeFilter; |
| } |
| |
| public Filter getPushDownFilter() { |
| return pushDownFilter; |
| } |
| |
| public Set<String> getAllSensors() { |
| return allSensors; |
| } |
| |
| public PaginationController getPaginationController() { |
| return new PaginationController(pushDownLimit, pushDownOffset); |
| } |
| |
| public void setTTL(long dataTTL) { |
| this.globalTimeFilter = updateFilterUsingTTL(globalTimeFilter, dataTTL); |
| } |
| |
| /** @return an updated filter concerning TTL */ |
| public static Filter updateFilterUsingTTL(Filter filter, long dataTTL) { |
| if (dataTTL != Long.MAX_VALUE) { |
| if (filter != null) { |
| filter = |
| FilterFactory.and( |
| filter, TimeFilterApi.gtEq(CommonDateTimeUtils.currentTime() - dataTTL)); |
| } else { |
| filter = TimeFilterApi.gtEq(CommonDateTimeUtils.currentTime() - dataTTL); |
| } |
| } |
| return filter; |
| } |
| |
| public static class Builder { |
| |
| private Filter globalTimeFilter = null; |
| private Filter pushDownFilter = null; |
| private long pushDownLimit = 0L; |
| private long pushDownOffset = 0L; |
| |
| private Set<String> allSensors; |
| |
| public Builder withGlobalTimeFilter(Filter globalTimeFilter) { |
| this.globalTimeFilter = globalTimeFilter; |
| return this; |
| } |
| |
| public Builder withPushDownFilter(Filter pushDownFilter) { |
| this.pushDownFilter = pushDownFilter; |
| return this; |
| } |
| |
| public Builder withPushDownLimit(long pushDownLimit) { |
| this.pushDownLimit = pushDownLimit; |
| return this; |
| } |
| |
| public Builder withPushDownOffset(long pushDownOffset) { |
| this.pushDownOffset = pushDownOffset; |
| return this; |
| } |
| |
| public void withAllSensors(Set<String> allSensors) { |
| this.allSensors = allSensors; |
| } |
| |
| public SeriesScanOptions build() { |
| return new SeriesScanOptions( |
| globalTimeFilter, pushDownFilter, pushDownLimit, pushDownOffset, allSensors); |
| } |
| } |
| } |