| /* |
| * 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.execution.config.metadata; |
| |
| import org.apache.iotdb.confignode.rpc.thrift.TDataNodeInfo; |
| import org.apache.iotdb.confignode.rpc.thrift.TShowDataNodesResp; |
| import org.apache.iotdb.db.queryengine.common.header.ColumnHeader; |
| import org.apache.iotdb.db.queryengine.common.header.ColumnHeaderConstant; |
| import org.apache.iotdb.db.queryengine.common.header.DatasetHeader; |
| import org.apache.iotdb.db.queryengine.common.header.DatasetHeaderFactory; |
| import org.apache.iotdb.db.queryengine.plan.execution.config.ConfigTaskResult; |
| import org.apache.iotdb.db.queryengine.plan.execution.config.IConfigTask; |
| import org.apache.iotdb.db.queryengine.plan.execution.config.executor.IConfigTaskExecutor; |
| import org.apache.iotdb.db.queryengine.plan.statement.metadata.ShowDataNodesStatement; |
| import org.apache.iotdb.rpc.TSStatusCode; |
| |
| import com.google.common.util.concurrent.ListenableFuture; |
| import com.google.common.util.concurrent.SettableFuture; |
| import org.apache.tsfile.enums.TSDataType; |
| import org.apache.tsfile.read.common.block.TsBlockBuilder; |
| import org.apache.tsfile.utils.BytesUtils; |
| |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| public class ShowDataNodesTask implements IConfigTask { |
| |
| private ShowDataNodesStatement showDataNodesStatement; |
| |
| public ShowDataNodesTask() {} |
| |
| public ShowDataNodesTask(ShowDataNodesStatement showDataNodesStatement) { |
| this.showDataNodesStatement = showDataNodesStatement; |
| } |
| |
| @Override |
| public ListenableFuture<ConfigTaskResult> execute(IConfigTaskExecutor configTaskExecutor) |
| throws InterruptedException { |
| return configTaskExecutor.showDataNodes(showDataNodesStatement); |
| } |
| |
| public static void buildTSBlock( |
| TShowDataNodesResp showDataNodesResp, SettableFuture<ConfigTaskResult> future) { |
| List<TSDataType> outputDataTypes = |
| ColumnHeaderConstant.showDataNodesColumnHeaders.stream() |
| .map(ColumnHeader::getColumnType) |
| .collect(Collectors.toList()); |
| TsBlockBuilder builder = new TsBlockBuilder(outputDataTypes); |
| if (showDataNodesResp.getDataNodesInfoList() != null) { |
| for (TDataNodeInfo dataNodeInfo : showDataNodesResp.getDataNodesInfoList()) { |
| builder.getTimeColumnBuilder().writeLong(0L); |
| builder.getColumnBuilder(0).writeInt(dataNodeInfo.getDataNodeId()); |
| builder |
| .getColumnBuilder(1) |
| .writeBinary( |
| BytesUtils.valueOf( |
| dataNodeInfo.getStatus() == null ? "" : dataNodeInfo.getStatus())); |
| |
| builder.getColumnBuilder(2).writeBinary(BytesUtils.valueOf(dataNodeInfo.getRpcAddresss())); |
| builder.getColumnBuilder(3).writeInt(dataNodeInfo.getRpcPort()); |
| builder.getColumnBuilder(4).writeInt(dataNodeInfo.getDataRegionNum()); |
| |
| builder.getColumnBuilder(5).writeInt(dataNodeInfo.getSchemaRegionNum()); |
| builder.declarePosition(); |
| } |
| } |
| DatasetHeader datasetHeader = DatasetHeaderFactory.getShowDataNodesHeader(); |
| future.set(new ConfigTaskResult(TSStatusCode.SUCCESS_STATUS, builder.build(), datasetHeader)); |
| } |
| } |