content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.cli.table.command;
  
  import alluxio.cli.CommandUtils;
  import alluxio.client.file.FileSystemContext;
  import alluxio.client.table.TableMasterClient;
  import alluxio.conf.AlluxioConfiguration;
  import alluxio.exception.AlluxioException;
  import alluxio.exception.status.InvalidArgumentException;
  import alluxio.grpc.table.TransformJobInfo;
  
  import org.apache.commons.cli.CommandLine;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.io.IOException;
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * Check transformation status.
   */
  @ThreadSafe
  public final class TransformStatusCommand extends AbstractTableCommand {
    private static final Logger LOG = LoggerFactory.getLogger(TransformStatusCommand.class);
  
    private static final String COMMAND_NAME = "transformStatus";
  
    /**
     * creates the command.
     *
     * @param conf alluxio configuration
     * @param client the table master client used to make RPCs
     * @param fsContext the filesystem of Alluxio
     */
    public TransformStatusCommand(AlluxioConfiguration conf, TableMasterClient client,
        FileSystemContext fsContext) {
      super(conf, client, fsContext);
    }
  
    @Override
    public String getCommandName() {
      return COMMAND_NAME;
    }
  
    @Override
    public String getUsage() {
      return COMMAND_NAME + " [<job ID>]";
    }
  
    @Override
    public String getDescription() {
      return "Check status of transformations.";
    }
  
    @Override
    public void validateArgs(CommandLine cl) throws InvalidArgumentException {
      CommandUtils.checkNumOfArgsNoMoreThan(this, cl, 1);
    }
  
    private String toString(TransformJobInfo info) {
      StringBuilder sb = new StringBuilder();
      sb.append("database: ").append(info.getDbName()).append("\n");
      sb.append("table: ").append(info.getTableName()).append("\n");
      sb.append("transformation: ").append(info.getDefinition()).append("\n");
      sb.append("job ID: ").append(info.getJobId()).append("\n");
      sb.append("job status: ").append(info.getJobStatus()).append("\n");
      if (!info.getJobError().isEmpty()) {
        sb.append("job error: ").append(info.getJobError());
      }
      return sb.toString();
    }
  
    @Override
    public int run(CommandLine cl) throws IOException, AlluxioException {
      String[] args = cl.getArgs();
      if (args.length == 0) {
        for (TransformJobInfo info : mClient.getAllTransformJobInfo()) {
          System.out.println(toString(info));
          System.out.println();
        }
      } else {
        long jobId = Long.parseLong(args[0]);
        TransformJobInfo info = mClient.getTransformJobInfo(jobId);
        System.out.println(toString(info));
      }
      return 0;
    }
  }
  