| /* |
| * 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.db.queryengine.plan.statement.component.GroupByTimeComponent; |
| import org.apache.iotdb.db.utils.TimestampPrecisionUtils; |
| |
| import org.apache.tsfile.utils.ReadWriteIOUtils; |
| import org.apache.tsfile.utils.TimeDuration; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Objects; |
| |
| /** |
| * The parameter of `GROUP BY TIME`. |
| * |
| * <p>Remember: interval and slidingStep is always in timestamp unit before transforming to |
| * timeRangeIterator even if it's by month unit. |
| */ |
| public class GroupByTimeParameter { |
| |
| // [startTime, endTime) |
| private long startTime; |
| private long endTime; |
| |
| // time interval |
| private TimeDuration interval; |
| |
| // sliding step |
| private TimeDuration slidingStep; |
| |
| // if it is left close and right open interval |
| private boolean leftCRightO; |
| |
| public GroupByTimeParameter() {} |
| |
| public GroupByTimeParameter( |
| long startTime, |
| long endTime, |
| TimeDuration interval, |
| TimeDuration slidingStep, |
| boolean leftCRightO) { |
| this.startTime = startTime; |
| this.endTime = endTime; |
| this.interval = interval; |
| this.slidingStep = slidingStep; |
| this.leftCRightO = leftCRightO; |
| } |
| |
| public GroupByTimeParameter(GroupByTimeComponent groupByTimeComponent) { |
| this.startTime = groupByTimeComponent.getStartTime(); |
| this.endTime = groupByTimeComponent.getEndTime(); |
| this.interval = groupByTimeComponent.getInterval(); |
| this.slidingStep = groupByTimeComponent.getSlidingStep(); |
| this.leftCRightO = groupByTimeComponent.isLeftCRightO(); |
| } |
| |
| public long getStartTime() { |
| return startTime; |
| } |
| |
| public void setStartTime(long startTime) { |
| this.startTime = startTime; |
| } |
| |
| public long getEndTime() { |
| return endTime; |
| } |
| |
| public void setEndTime(long endTime) { |
| this.endTime = endTime; |
| } |
| |
| public TimeDuration getInterval() { |
| return interval; |
| } |
| |
| public void setInterval(TimeDuration interval) { |
| this.interval = interval; |
| } |
| |
| public TimeDuration getSlidingStep() { |
| return slidingStep; |
| } |
| |
| public void setSlidingStep(TimeDuration slidingStep) { |
| this.slidingStep = slidingStep; |
| } |
| |
| public boolean isLeftCRightO() { |
| return leftCRightO; |
| } |
| |
| public void setLeftCRightO(boolean leftCRightO) { |
| this.leftCRightO = leftCRightO; |
| } |
| |
| public boolean hasOverlap() { |
| return interval.getTotalDuration(TimestampPrecisionUtils.currPrecision) |
| > slidingStep.getTotalDuration(TimestampPrecisionUtils.currPrecision); |
| } |
| |
| public void serialize(ByteBuffer buffer) { |
| ReadWriteIOUtils.write(startTime, buffer); |
| ReadWriteIOUtils.write(endTime, buffer); |
| interval.serialize(buffer); |
| slidingStep.serialize(buffer); |
| ReadWriteIOUtils.write(leftCRightO, buffer); |
| } |
| |
| public void serialize(DataOutputStream stream) throws IOException { |
| ReadWriteIOUtils.write(startTime, stream); |
| ReadWriteIOUtils.write(endTime, stream); |
| interval.serialize(stream); |
| slidingStep.serialize(stream); |
| ReadWriteIOUtils.write(leftCRightO, stream); |
| } |
| |
| public static GroupByTimeParameter deserialize(ByteBuffer buffer) { |
| GroupByTimeParameter groupByTimeParameter = new GroupByTimeParameter(); |
| groupByTimeParameter.setStartTime(ReadWriteIOUtils.readLong(buffer)); |
| groupByTimeParameter.setEndTime(ReadWriteIOUtils.readLong(buffer)); |
| groupByTimeParameter.setInterval(TimeDuration.deserialize(buffer)); |
| groupByTimeParameter.setSlidingStep(TimeDuration.deserialize(buffer)); |
| groupByTimeParameter.setLeftCRightO(ReadWriteIOUtils.readBool(buffer)); |
| return groupByTimeParameter; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (!(obj instanceof GroupByTimeParameter)) { |
| return false; |
| } |
| GroupByTimeParameter other = (GroupByTimeParameter) obj; |
| return this.startTime == other.startTime |
| && this.endTime == other.endTime |
| && this.interval.equals(other.interval) |
| && this.slidingStep.equals(other.slidingStep) |
| && this.leftCRightO == other.leftCRightO; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(startTime, endTime, interval, slidingStep, leftCRightO); |
| } |
| } |