| /* |
| * 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.commons.utils; |
| |
| import org.apache.iotdb.common.rpc.thrift.TTimePartitionSlot; |
| import org.apache.iotdb.commons.conf.CommonDescriptor; |
| import org.apache.iotdb.tsfile.read.filter.basic.Filter; |
| |
| public class TimePartitionUtils { |
| |
| /** Time range for dividing database, the time unit is the same with IoTDB's TimestampPrecision */ |
| private static long timePartitionInterval = |
| CommonDescriptor.getInstance().getConfig().getTimePartitionInterval(); |
| |
| public static TTimePartitionSlot getTimePartitionSlot(long time) { |
| TTimePartitionSlot timePartitionSlot = new TTimePartitionSlot(); |
| if (time > 0 || time % timePartitionInterval == 0) { |
| timePartitionSlot.setStartTime(time / timePartitionInterval * timePartitionInterval); |
| } else { |
| timePartitionSlot.setStartTime((time / timePartitionInterval - 1) * timePartitionInterval); |
| } |
| return timePartitionSlot; |
| } |
| |
| public static long getTimePartitionInterval() { |
| return timePartitionInterval; |
| } |
| |
| public static long getTimePartitionUpperBound(long time) { |
| long upperBoundOfTimePartition; |
| if (time > 0 || time % TimePartitionUtils.timePartitionInterval == 0) { |
| upperBoundOfTimePartition = |
| (time / TimePartitionUtils.timePartitionInterval + 1) |
| * TimePartitionUtils.timePartitionInterval; |
| } else { |
| upperBoundOfTimePartition = |
| (time / TimePartitionUtils.timePartitionInterval) |
| * TimePartitionUtils.timePartitionInterval; |
| } |
| return upperBoundOfTimePartition; |
| } |
| |
| public static long getTimePartitionId(long time) { |
| return time > 0 || time % timePartitionInterval == 0 |
| ? time / timePartitionInterval |
| : time / timePartitionInterval - 1; |
| } |
| |
| public static boolean satisfyPartitionId(long startTime, long endTime, long partitionId) { |
| return getTimePartitionId(startTime) <= partitionId |
| && getTimePartitionId(endTime) >= partitionId; |
| } |
| |
| public static boolean satisfyPartitionStartTime(Filter timeFilter, long partitionStartTime) { |
| return timeFilter == null |
| || timeFilter.satisfyStartEndTime( |
| partitionStartTime, partitionStartTime + timePartitionInterval - 1); |
| } |
| |
| public static boolean satisfyTimePartition(Filter timeFilter, long partitionId) { |
| long partitionStartTime = partitionId * timePartitionInterval; |
| return satisfyPartitionStartTime(timeFilter, partitionStartTime); |
| } |
| |
| public static void setTimePartitionInterval(long timePartitionInterval) { |
| TimePartitionUtils.timePartitionInterval = timePartitionInterval; |
| } |
| } |