server/src/main/java/org/apache/iotdb/db/mpp/plan/execution/config/sys/sync/ShowPipeTask.java

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 * 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
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package org.apache.iotdb.db.mpp.plan.execution.config.sys.sync;

import org.apache.iotdb.confignode.rpc.thrift.TPipeInfo;
import org.apache.iotdb.db.mpp.common.header.ColumnHeader;
import org.apache.iotdb.db.mpp.common.header.ColumnHeaderConstant;
import org.apache.iotdb.db.mpp.common.header.DatasetHeader;
import org.apache.iotdb.db.mpp.common.header.DatasetHeaderFactory;
import org.apache.iotdb.db.mpp.plan.execution.config.ConfigTaskResult;
import org.apache.iotdb.db.mpp.plan.execution.config.IConfigTask;
import org.apache.iotdb.db.mpp.plan.execution.config.executor.IConfigTaskExecutor;
import org.apache.iotdb.db.mpp.plan.statement.sys.sync.ShowPipeStatement;
import org.apache.iotdb.db.qp.utils.DatetimeUtils;
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.utils.Binary;

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 ShowPipeTask implements IConfigTask {

  private final ShowPipeStatement showPipeStatement;

  public ShowPipeTask(ShowPipeStatement showPipeStatement) {
    this.showPipeStatement = showPipeStatement;
  }

  @Override
  public ListenableFuture<ConfigTaskResult> execute(IConfigTaskExecutor configTaskExecutor)
      throws InterruptedException {
    return configTaskExecutor.showPipe(showPipeStatement);
  }

  public static void buildTSBlock(
      List<TPipeInfo> pipeInfoList, SettableFuture<ConfigTaskResult> future) {
    List<TSDataType> outputDataTypes =
        ColumnHeaderConstant.showPipeColumnHeaders.stream()
            .map(ColumnHeader::getColumnType)
            .collect(Collectors.toList());
    TsBlockBuilder builder = new TsBlockBuilder(outputDataTypes);
    for (TPipeInfo tPipeInfo : pipeInfoList) {
      builder.getTimeColumnBuilder().writeLong(0L);
      builder
          .getColumnBuilder(0)
          .writeBinary(new Binary(DatetimeUtils.convertLongToDate(tPipeInfo.getCreateTime())));
      builder.getColumnBuilder(1).writeBinary(new Binary(tPipeInfo.getPipeName()));
      builder.getColumnBuilder(2).writeBinary(new Binary(tPipeInfo.getRole()));
      builder.getColumnBuilder(3).writeBinary(new Binary(tPipeInfo.getRemote()));
      builder.getColumnBuilder(4).writeBinary(new Binary(tPipeInfo.getStatus()));
      builder.getColumnBuilder(5).writeBinary(new Binary(tPipeInfo.getMessage()));
      builder.declarePosition();
    }
    DatasetHeader datasetHeader = DatasetHeaderFactory.getShowPipeHeader();
    future.set(new ConfigTaskResult(TSStatusCode.SUCCESS_STATUS, builder.build(), datasetHeader));
  }
}