| /* |
| * 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.FillPolicy; |
| import org.apache.iotdb.db.queryengine.plan.statement.literal.Literal; |
| |
| 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; |
| |
| public class FillDescriptor { |
| |
| // policy of fill null values |
| private final FillPolicy fillPolicy; |
| |
| // filled value when fillPolicy is VALUE |
| private final Literal fillValue; |
| |
| // if |
| private final TimeDuration timeDurationThreshold; |
| |
| public FillDescriptor( |
| FillPolicy fillPolicy, Literal fillValue, TimeDuration timeDurationThreshold) { |
| this.fillPolicy = fillPolicy; |
| this.fillValue = fillValue; |
| this.timeDurationThreshold = timeDurationThreshold; |
| } |
| |
| public void serialize(ByteBuffer byteBuffer) { |
| ReadWriteIOUtils.write(fillPolicy.ordinal(), byteBuffer); |
| if (fillPolicy == FillPolicy.VALUE) { |
| fillValue.serialize(byteBuffer); |
| } |
| ReadWriteIOUtils.write(timeDurationThreshold != null, byteBuffer); |
| if (timeDurationThreshold != null) { |
| timeDurationThreshold.serialize(byteBuffer); |
| } |
| } |
| |
| public void serialize(DataOutputStream stream) throws IOException { |
| ReadWriteIOUtils.write(fillPolicy.ordinal(), stream); |
| if (fillPolicy == FillPolicy.VALUE) { |
| fillValue.serialize(stream); |
| } |
| ReadWriteIOUtils.write(timeDurationThreshold != null, stream); |
| if (timeDurationThreshold != null) { |
| timeDurationThreshold.serialize(stream); |
| } |
| } |
| |
| public static FillDescriptor deserialize(ByteBuffer byteBuffer) { |
| FillPolicy fillPolicy = FillPolicy.values()[ReadWriteIOUtils.readInt(byteBuffer)]; |
| Literal fillValue = null; |
| if (fillPolicy == FillPolicy.VALUE) { |
| fillValue = Literal.deserialize(byteBuffer); |
| } |
| boolean hasTimeDurationThreshold = ReadWriteIOUtils.readBool(byteBuffer); |
| TimeDuration timeDurationThreshold = null; |
| if (hasTimeDurationThreshold) { |
| timeDurationThreshold = TimeDuration.deserialize(byteBuffer); |
| } |
| return new FillDescriptor(fillPolicy, fillValue, timeDurationThreshold); |
| } |
| |
| public FillPolicy getFillPolicy() { |
| return fillPolicy; |
| } |
| |
| public Literal getFillValue() { |
| return fillValue; |
| } |
| |
| public TimeDuration getTimeDurationThreshold() { |
| return timeDurationThreshold; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| FillDescriptor that = (FillDescriptor) o; |
| return fillPolicy == that.fillPolicy && Objects.equals(fillValue, that.fillValue); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(fillPolicy, fillValue); |
| } |
| } |