| /* |
| * 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.query.QueryProcessException; |
| import org.apache.iotdb.db.metadata.PartialPath; |
| import org.apache.iotdb.db.qp.logical.Operator.OperatorType; |
| import org.apache.iotdb.db.qp.physical.PhysicalPlan; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map.Entry; |
| import java.util.Properties; |
| |
| public class LoadConfigurationPlan extends PhysicalPlan { |
| |
| // an array of properties, the size of which is always 2. |
| // The first element is the properties for iotdb-engine, the second |
| // is for cluster-config |
| private Properties[] propertiesArray; |
| |
| LoadConfigurationPlanType loadConfigurationPlanType; |
| |
| public LoadConfigurationPlan( |
| LoadConfigurationPlanType loadConfigurationPlanType, Properties[] propertiesArray) |
| throws QueryProcessException { |
| super(false, OperatorType.LOAD_CONFIGURATION); |
| if (loadConfigurationPlanType != LoadConfigurationPlanType.GLOBAL) { |
| throw new QueryProcessException( |
| "The constructor with 2 parameters is for load global configuration"); |
| } |
| if (propertiesArray.length != 2) { |
| throw new QueryProcessException("The size of propertiesArray is not 2."); |
| } |
| this.loadConfigurationPlanType = loadConfigurationPlanType; |
| this.propertiesArray = propertiesArray; |
| } |
| |
| public LoadConfigurationPlan(LoadConfigurationPlanType loadConfigurationPlanType) |
| throws QueryProcessException { |
| super(false, OperatorType.LOAD_CONFIGURATION); |
| if (loadConfigurationPlanType != LoadConfigurationPlanType.LOCAL) { |
| throw new QueryProcessException( |
| "The constructor with 1 parameters is for load local configuration"); |
| } |
| this.loadConfigurationPlanType = loadConfigurationPlanType; |
| } |
| |
| // only for deserialize |
| public LoadConfigurationPlan() { |
| super(false, OperatorType.LOAD_CONFIGURATION); |
| } |
| |
| @Override |
| public void serialize(DataOutputStream stream) throws IOException { |
| int type = PhysicalPlanType.LOAD_CONFIGURATION.ordinal(); |
| stream.writeByte((byte) type); |
| stream.writeInt(loadConfigurationPlanType.ordinal()); |
| if (loadConfigurationPlanType == LoadConfigurationPlanType.GLOBAL) { |
| stream.writeInt(propertiesArray.length); |
| for (Properties properties : propertiesArray) { |
| if (properties == null) { |
| stream.writeInt(0); |
| } else { |
| stream.writeInt(1); |
| stream.writeInt(properties.entrySet().size()); |
| for (Entry<Object, Object> entry : properties.entrySet()) { |
| putString(stream, String.valueOf(entry.getKey())); |
| putString(stream, String.valueOf(entry.getValue())); |
| } |
| } |
| } |
| } |
| |
| stream.writeLong(index); |
| } |
| |
| @Override |
| public void deserialize(ByteBuffer buffer) { |
| loadConfigurationPlanType = LoadConfigurationPlanType.values()[buffer.getInt()]; |
| if (loadConfigurationPlanType == LoadConfigurationPlanType.GLOBAL) { |
| int propertiesNum = buffer.getInt(); |
| propertiesArray = new Properties[propertiesNum]; |
| for (int i = 0; i < propertiesArray.length; i++) { |
| if (buffer.getInt() == 1) { |
| propertiesArray[i] = new Properties(); |
| int size = buffer.getInt(); |
| for (int j = 0; j < size; j++) { |
| propertiesArray[i].setProperty(readString(buffer), readString(buffer)); |
| } |
| } |
| } |
| } |
| this.index = buffer.getLong(); |
| } |
| |
| @Override |
| public List<PartialPath> getPaths() { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public String toString() { |
| return getOperatorType().toString(); |
| } |
| |
| public Properties getIoTDBProperties() { |
| return propertiesArray[0]; |
| } |
| |
| public Properties getClusterProperties() { |
| return propertiesArray[1]; |
| } |
| |
| public LoadConfigurationPlanType getLoadConfigurationPlanType() { |
| return loadConfigurationPlanType; |
| } |
| |
| public enum LoadConfigurationPlanType { |
| GLOBAL, |
| LOCAL |
| } |
| } |