content: package com.alibaba.datax.plugin.writer.hdfswriter;
  
  /**
   * Created by shf on 15/10/8.
   */
  public class Key {
      // must have
      public static final String PATH = "path";
      //must have
      public final static String DEFAULT_FS = "defaultFS";
      //must have
      public final static String FILE_TYPE = "fileType";
      // must have
      public static final String FILE_NAME = "fileName";
      // must have for column
      public static final String COLUMN = "column";
      public static final String NAME = "name";
      public static final String TYPE = "type";
      public static final String DATE_FORMAT = "dateFormat";
      // must have
      public static final String WRITE_MODE = "writeMode";
      // must have
      public static final String FIELD_DELIMITER = "fieldDelimiter";
      // not must, default UTF-8
      public static final String ENCODING = "encoding";
      // not must, default no compress
      public static final String COMPRESS = "compress";
      // not must, not default \N
      public static final String NULL_FORMAT = "nullFormat";
      // Kerberos
      public static final String HAVE_KERBEROS = "haveKerberos";
      public static final String KERBEROS_KEYTAB_FILE_PATH = "kerberosKeytabFilePath";
      public static final String KERBEROS_PRINCIPAL = "kerberosPrincipal";
      // hadoop config
      public static final String HADOOP_CONFIG = "hadoopConfig";
  
      // useOldRawDataTransf
      public final static String PARQUET_FILE_USE_RAW_DATA_TRANSF = "useRawDataTransf";
  
      public final static String DATAX_PARQUET_MODE = "dataxParquetMode";
  
      // hdfs username 默认值 admin
      public final static String HDFS_USERNAME = "hdfsUsername";
  
      public static final String PROTECTION = "protection";
  
      public static final String PARQUET_SCHEMA = "parquetSchema";
      public static final String PARQUET_MERGE_RESULT = "parquetMergeResult";
  
      /**
       * hive 3.x 或 cdh高版本，使用UTC时区存储时间戳，如果发现时区偏移，该配置项要配置成 true
       */
      public static final String PARQUET_UTC_TIMESTAMP = "parquetUtcTimestamp";
  
      // Kerberos
      public static final String KERBEROS_CONF_FILE_PATH = "kerberosConfFilePath";
  
      // PanguFS
      public final static String PANGU_FS_CONFIG = "panguFSConfig";
      public final static String PANGU_FS_CONFIG_NUWA_CLUSTER = "nuwaCluster";
      public final static String PANGU_FS_CONFIG_NUWA_SERVERS = "nuwaServers";
      public final static String PANGU_FS_CONFIG_NUWA_PROXIES = "nuwaProxies";
      public final static String PANGU_FS_CONFIG_CAPABILITY = "capability";
  
  
      public static final String FS_OSS_UPLOAD_THREAD_CONCURRENCY = "ossUploadConcurrency";
      //  <!-- oss 并发上传任务队列大小 -->
      public static final String FS_OSS_UPLOAD_QUEUE_SIZE = "ossUploadQueueSize";
      //    <!-- 进程内 oss 最大并发上传任务数 -->
      public static final String FS_OSS_UPLOAD_MAX_PENDING_TASKS_PER_STREAM = "ossUploadMaxPendingTasksPerStream";
  
      public static final String FS_OSS_BLOCKLET_SIZE_MB = "ossBlockSize";
  
      public static final String FILE_SYSTEM_TYPE = "fileSystemType";
      public static final String ENABLE_COLUMN_EXCHANGE = "enableColumnExchange";
      public static final String SUPPORT_HIVE_DATETIME = "supportHiveDateTime";
  }
  