@Override
    public void read(org.apache.thrift.protocol.TProtocol prot, TColumnFamilyDescriptor struct) throws org.apache.thrift.TException {
      org.apache.thrift.protocol.TTupleProtocol iprot = (org.apache.thrift.protocol.TTupleProtocol) prot;
      struct.name = iprot.readBinary();
      struct.setNameIsSet(true);
      java.util.BitSet incoming = iprot.readBitSet(19);
      if (incoming.get(0)) {
        {
          org.apache.thrift.protocol.TMap _map154 = iprot.readMapBegin(org.apache.thrift.protocol.TType.STRING, org.apache.thrift.protocol.TType.STRING); 
          struct.attributes = new java.util.HashMap<java.nio.ByteBuffer,java.nio.ByteBuffer>(2*_map154.size);
          @org.apache.thrift.annotation.Nullable java.nio.ByteBuffer _key155;
          @org.apache.thrift.annotation.Nullable java.nio.ByteBuffer _val156;
          for (int _i157 = 0; _i157 < _map154.size; ++_i157)
          {
            _key155 = iprot.readBinary();
            _val156 = iprot.readBinary();
            struct.attributes.put(_key155, _val156);
          }
        }
        struct.setAttributesIsSet(true);
      }
      if (incoming.get(1)) {
        {
          org.apache.thrift.protocol.TMap _map158 = iprot.readMapBegin(org.apache.thrift.protocol.TType.STRING, org.apache.thrift.protocol.TType.STRING); 
          struct.configuration = new java.util.HashMap<java.lang.String,java.lang.String>(2*_map158.size);
          @org.apache.thrift.annotation.Nullable java.lang.String _key159;
          @org.apache.thrift.annotation.Nullable java.lang.String _val160;
          for (int _i161 = 0; _i161 < _map158.size; ++_i161)
          {
            _key159 = iprot.readString();
            _val160 = iprot.readString();
            struct.configuration.put(_key159, _val160);
          }
        }
        struct.setConfigurationIsSet(true);
      }
      if (incoming.get(2)) {
        struct.blockSize = iprot.readI32();
        struct.setBlockSizeIsSet(true);
      }
      if (incoming.get(3)) {
        struct.bloomnFilterType = org.apache.hadoop.hbase.thrift2.generated.TBloomFilterType.findByValue(iprot.readI32());
        struct.setBloomnFilterTypeIsSet(true);
      }
      if (incoming.get(4)) {
        struct.compressionType = org.apache.hadoop.hbase.thrift2.generated.TCompressionAlgorithm.findByValue(iprot.readI32());
        struct.setCompressionTypeIsSet(true);
      }
      if (incoming.get(5)) {
        struct.dfsReplication = iprot.readI16();
        struct.setDfsReplicationIsSet(true);
      }
      if (incoming.get(6)) {
        struct.dataBlockEncoding = org.apache.hadoop.hbase.thrift2.generated.TDataBlockEncoding.findByValue(iprot.readI32());
        struct.setDataBlockEncodingIsSet(true);
      }
      if (incoming.get(7)) {
        struct.keepDeletedCells = org.apache.hadoop.hbase.thrift2.generated.TKeepDeletedCells.findByValue(iprot.readI32());
        struct.setKeepDeletedCellsIsSet(true);
      }
      if (incoming.get(8)) {
        struct.maxVersions = iprot.readI32();
        struct.setMaxVersionsIsSet(true);
      }
      if (incoming.get(9)) {
        struct.minVersions = iprot.readI32();
        struct.setMinVersionsIsSet(true);
      }
      if (incoming.get(10)) {
        struct.scope = iprot.readI32();
        struct.setScopeIsSet(true);
      }
      if (incoming.get(11)) {
        struct.timeToLive = iprot.readI32();
        struct.setTimeToLiveIsSet(true);
      }
      if (incoming.get(12)) {
        struct.blockCacheEnabled = iprot.readBool();
        struct.setBlockCacheEnabledIsSet(true);
      }
      if (incoming.get(13)) {
        struct.cacheBloomsOnWrite = iprot.readBool();
        struct.setCacheBloomsOnWriteIsSet(true);
      }
      if (incoming.get(14)) {
        struct.cacheDataOnWrite = iprot.readBool();
        struct.setCacheDataOnWriteIsSet(true);
      }
      if (incoming.get(15)) {
        struct.cacheIndexesOnWrite = iprot.readBool();
        struct.setCacheIndexesOnWriteIsSet(true);
      }
      if (incoming.get(16)) {
        struct.compressTags = iprot.readBool();
        struct.setCompressTagsIsSet(true);
      }
      if (incoming.get(17)) {
        struct.evictBlocksOnClose = iprot.readBool();
        struct.setEvictBlocksOnCloseIsSet(true);
      }
      if (incoming.get(18)) {
        struct.inMemory = iprot.readBool();
        struct.setInMemoryIsSet(true);
      }
    }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/generated/TColumnFamilyDescriptor.java