| /* |
| * 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.execution.operator.process.fill.identity; |
| |
| import org.apache.iotdb.db.queryengine.execution.operator.process.fill.ILinearFill; |
| import org.apache.iotdb.tsfile.read.common.block.column.Column; |
| import org.apache.iotdb.tsfile.read.common.block.column.TimeColumn; |
| |
| public class IdentityLinearFill implements ILinearFill { |
| |
| @Override |
| public Column fill(TimeColumn timeColumn, Column valueColumn, long currentRowIndex) { |
| return valueColumn; |
| } |
| |
| @Override |
| public boolean needPrepareForNext(long rowIndex, Column valueColumn) { |
| return false; |
| } |
| |
| @Override |
| public boolean prepareForNext( |
| long startRowIndex, long endRowIndex, TimeColumn nextTimeColumn, Column nextValueColumn) { |
| throw new UnsupportedOperationException( |
| "IdentityLinearFill's needPrepareForNext() method should always return false."); |
| } |
| } |