| /* |
| * 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.tsfile.read.expression.impl; |
| |
| import org.apache.iotdb.tsfile.read.common.Path; |
| import org.apache.iotdb.tsfile.read.expression.ExpressionType; |
| import org.apache.iotdb.tsfile.read.expression.IExpression; |
| import org.apache.iotdb.tsfile.read.expression.IUnaryExpression; |
| import org.apache.iotdb.tsfile.read.filter.basic.Filter; |
| import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; |
| |
| import java.io.IOException; |
| import java.io.Serializable; |
| import java.nio.ByteBuffer; |
| import java.util.Objects; |
| |
| public class SingleSeriesExpression implements IUnaryExpression, Serializable { |
| |
| private static final long serialVersionUID = 7131207370394865228L; |
| private Path seriesPath; |
| private Filter filter; |
| |
| public SingleSeriesExpression(Path seriesDescriptor, Filter filter) { |
| this.seriesPath = seriesDescriptor; |
| this.filter = filter; |
| } |
| |
| @Override |
| public ExpressionType getType() { |
| return ExpressionType.SERIES; |
| } |
| |
| @Override |
| public IExpression clone() { |
| return new SingleSeriesExpression(seriesPath.clone(), filter.copy()); |
| } |
| |
| @Override |
| public void serialize(ByteBuffer byteBuffer) { |
| try { |
| ReadWriteIOUtils.write((byte) getType().ordinal(), byteBuffer); |
| seriesPath.serialize(byteBuffer); |
| filter.serialize(byteBuffer); |
| } catch (IOException e) { |
| // ignored |
| } |
| } |
| |
| @Override |
| public Filter getFilter() { |
| return filter; |
| } |
| |
| @Override |
| public void setFilter(Filter filter) { |
| this.filter = filter; |
| } |
| |
| @Override |
| public String toString() { |
| return "[" + seriesPath + ":" + filter + "]"; |
| } |
| |
| public Path getSeriesPath() { |
| return this.seriesPath; |
| } |
| |
| public void setSeriesPath(Path seriesPath) { |
| this.seriesPath = seriesPath; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| |
| SingleSeriesExpression that = (SingleSeriesExpression) o; |
| return Objects.equals(toString(), that.toString()); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(toString()); |
| } |
| } |