| /* |
| * 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.commons.cq.CQState; |
| import org.apache.iotdb.confignode.rpc.thrift.TCQEntry; |
| 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.rpc.TSStatusCode; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.read.common.block.TsBlockBuilder; |
| import org.apache.iotdb.tsfile.read.common.block.column.ColumnBuilder; |
| import org.apache.iotdb.tsfile.read.common.block.column.TimeColumnBuilder; |
| import org.apache.iotdb.tsfile.utils.BytesUtils; |
| |
| import com.google.common.util.concurrent.ListenableFuture; |
| import com.google.common.util.concurrent.SettableFuture; |
| |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| public class ShowContinuousQueriesTask implements IConfigTask { |
| |
| @Override |
| public ListenableFuture<ConfigTaskResult> execute(IConfigTaskExecutor configTaskExecutor) |
| throws InterruptedException { |
| return configTaskExecutor.showContinuousQueries(); |
| } |
| |
| public static void buildTsBlock(List<TCQEntry> cqList, SettableFuture<ConfigTaskResult> future) { |
| List<TSDataType> outputDataTypes = |
| ColumnHeaderConstant.showContinuousQueriesColumnHeaders.stream() |
| .map(ColumnHeader::getColumnType) |
| .collect(Collectors.toList()); |
| TsBlockBuilder builder = new TsBlockBuilder(outputDataTypes); |
| |
| if (cqList != null && !cqList.isEmpty()) { |
| TimeColumnBuilder timeColumnBuilder = builder.getTimeColumnBuilder(); |
| ColumnBuilder[] columnBuilders = builder.getValueColumnBuilders(); |
| for (TCQEntry cqEntry : cqList) { |
| timeColumnBuilder.writeLong(0); |
| columnBuilders[0].writeBinary(BytesUtils.valueOf(cqEntry.getCqId())); |
| columnBuilders[1].writeBinary(BytesUtils.valueOf(cqEntry.getSql())); |
| columnBuilders[2].writeBinary( |
| BytesUtils.valueOf(CQState.values()[cqEntry.getState()].toString())); |
| builder.declarePosition(); |
| } |
| } |
| |
| DatasetHeader datasetHeader = DatasetHeaderFactory.getShowContinuousQueriesHeader(); |
| future.set(new ConfigTaskResult(TSStatusCode.SUCCESS_STATUS, builder.build(), datasetHeader)); |
| } |
| } |