public void write(org.apache.thrift.protocol.TProtocol oprot, Mutation struct) throws org.apache.thrift.TException {
      struct.validate();

      oprot.writeStructBegin(STRUCT_DESC);
      oprot.writeFieldBegin(IS_DELETE_FIELD_DESC);
      oprot.writeBool(struct.isDelete);
      oprot.writeFieldEnd();
      if (struct.column != null) {
        oprot.writeFieldBegin(COLUMN_FIELD_DESC);
        oprot.writeBinary(struct.column);
        oprot.writeFieldEnd();
      }
      if (struct.value != null) {
        oprot.writeFieldBegin(VALUE_FIELD_DESC);
        oprot.writeBinary(struct.value);
        oprot.writeFieldEnd();
      }
      oprot.writeFieldBegin(WRITE_TO_WAL_FIELD_DESC);
      oprot.writeBool(struct.writeToWAL);
      oprot.writeFieldEnd();
      oprot.writeFieldStop();
      oprot.writeStructEnd();
    }
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/thrift/generated/Mutation.java