| /* |
| * 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.qp.physical.sys; |
| |
| import org.apache.iotdb.db.exception.metadata.IllegalPathException; |
| import org.apache.iotdb.db.metadata.PartialPath; |
| import org.apache.iotdb.db.qp.logical.Operator; |
| import org.apache.iotdb.db.qp.logical.Operator.OperatorType; |
| import org.apache.iotdb.db.qp.logical.sys.AlterTimeSeriesOperator; |
| import org.apache.iotdb.db.qp.logical.sys.AlterTimeSeriesOperator.AlterType; |
| import org.apache.iotdb.db.qp.physical.PhysicalPlan; |
| import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| |
| public class AlterTimeSeriesPlan extends PhysicalPlan { |
| |
| private static final Logger logger = LoggerFactory.getLogger(AlterTimeSeriesPlan.class); |
| |
| private PartialPath path; |
| private AlterType alterType; |
| |
| /** |
| * used when the alterType is RENAME, SET, DROP, ADD_TAGS, ADD_ATTRIBUTES. when the alterType is |
| * RENAME, alterMap has only one entry, key is the beforeName, value is the currentName. when the |
| * alterType is DROP, only the keySet of alterMap is useful, it contains all the key names needed |
| * to be removed |
| */ |
| private Map<String, String> alterMap; |
| |
| /** used when the alterType is UPSERT */ |
| private String alias; |
| |
| private Map<String, String> tagsMap; |
| private Map<String, String> attributesMap; |
| |
| /** used only for deserialize */ |
| public AlterTimeSeriesPlan() { |
| super(false, OperatorType.ALTER_TIMESERIES); |
| } |
| |
| public AlterTimeSeriesPlan( |
| PartialPath path, |
| AlterType alterType, |
| Map<String, String> alterMap, |
| String alias, |
| Map<String, String> tagsMap, |
| Map<String, String> attributesMap) { |
| super(false, Operator.OperatorType.ALTER_TIMESERIES); |
| this.path = path; |
| this.alterType = alterType; |
| this.alterMap = alterMap; |
| this.alias = alias; |
| this.tagsMap = tagsMap; |
| this.attributesMap = attributesMap; |
| } |
| |
| public PartialPath getPath() { |
| return path; |
| } |
| |
| public AlterTimeSeriesOperator.AlterType getAlterType() { |
| return alterType; |
| } |
| |
| public Map<String, String> getAlterMap() { |
| return alterMap; |
| } |
| |
| public String getAlias() { |
| return alias; |
| } |
| |
| public Map<String, String> getTagsMap() { |
| return tagsMap; |
| } |
| |
| public Map<String, String> getAttributesMap() { |
| return attributesMap; |
| } |
| |
| @Override |
| public List<PartialPath> getPaths() { |
| return Collections.singletonList(path); |
| } |
| |
| @Override |
| public void serialize(DataOutputStream stream) throws IOException { |
| stream.writeByte((byte) PhysicalPlanType.ALTER_TIMESERIES.ordinal()); |
| byte[] bytes = path.getFullPath().getBytes(); |
| stream.writeInt(bytes.length); |
| stream.write(bytes); |
| |
| stream.write(alterType.ordinal()); |
| |
| // alias |
| if (alias != null) { |
| stream.write(1); |
| ReadWriteIOUtils.write(alias, stream); |
| } else { |
| stream.write(0); |
| } |
| |
| // alterMap |
| if (alterMap != null && !alterMap.isEmpty()) { |
| stream.write(1); |
| ReadWriteIOUtils.write(alterMap, stream); |
| } else { |
| stream.write(0); |
| } |
| |
| // tagsMap |
| if (tagsMap != null && !tagsMap.isEmpty()) { |
| stream.write(1); |
| ReadWriteIOUtils.write(tagsMap, stream); |
| } else { |
| stream.write(0); |
| } |
| |
| // attributesMap |
| if (attributesMap != null && !attributesMap.isEmpty()) { |
| stream.write(1); |
| ReadWriteIOUtils.write(attributesMap, stream); |
| } else { |
| stream.write(0); |
| } |
| } |
| |
| @Override |
| public void deserialize(ByteBuffer buffer) { |
| int length = buffer.getInt(); |
| byte[] bytes = new byte[length]; |
| buffer.get(bytes); |
| try { |
| path = new PartialPath(new String(bytes)); |
| } catch (IllegalPathException e) { |
| logger.error("Illegal path in plan deserialization:", e); |
| } |
| |
| alterType = AlterType.values()[buffer.get()]; |
| |
| // alias |
| if (buffer.get() == 1) { |
| alias = ReadWriteIOUtils.readString(buffer); |
| } |
| |
| // alterMap |
| if (buffer.get() == 1) { |
| alterMap = ReadWriteIOUtils.readMap(buffer); |
| } |
| |
| // tagsMap |
| if (buffer.get() == 1) { |
| tagsMap = ReadWriteIOUtils.readMap(buffer); |
| } |
| |
| // attributesMap |
| if (buffer.get() == 1) { |
| attributesMap = ReadWriteIOUtils.readMap(buffer); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| |
| AlterTimeSeriesPlan that = (AlterTimeSeriesPlan) o; |
| |
| return Objects.equals(path, that.path) |
| && alterType == that.alterType |
| && Objects.equals(alterMap, that.alterMap) |
| && Objects.equals(alias, that.alias) |
| && Objects.equals(tagsMap, that.tagsMap) |
| && Objects.equals(attributesMap, that.attributesMap); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(path, alias, alterType, alterMap, attributesMap, tagsMap); |
| } |
| } |