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

      oprot.writeStructBegin(STRUCT_DESC);
      if (struct.row != null) {
        oprot.writeFieldBegin(ROW_FIELD_DESC);
        oprot.writeBinary(struct.row);
        oprot.writeFieldEnd();
      }
      if (struct.columns != null) {
        oprot.writeFieldBegin(COLUMNS_FIELD_DESC);
        {
          oprot.writeListBegin(new org.apache.thrift.protocol.TList(org.apache.thrift.protocol.TType.STRUCT, struct.columns.size()));
          for (TColumnValue _iter95 : struct.columns)
          {
            _iter95.write(oprot);
          }
          oprot.writeListEnd();
        }
        oprot.writeFieldEnd();
      }
      if (struct.attributes != null) {
        if (struct.isSetAttributes()) {
          oprot.writeFieldBegin(ATTRIBUTES_FIELD_DESC);
          {
            oprot.writeMapBegin(new org.apache.thrift.protocol.TMap(org.apache.thrift.protocol.TType.STRING, org.apache.thrift.protocol.TType.STRING, struct.attributes.size()));
            for (java.util.Map.Entry<java.nio.ByteBuffer, java.nio.ByteBuffer> _iter96 : struct.attributes.entrySet())
            {
              oprot.writeBinary(_iter96.getKey());
              oprot.writeBinary(_iter96.getValue());
            }
            oprot.writeMapEnd();
          }
          oprot.writeFieldEnd();
        }
      }
      if (struct.durability != null) {
        if (struct.isSetDurability()) {
          oprot.writeFieldBegin(DURABILITY_FIELD_DESC);
          oprot.writeI32(struct.durability.getValue());
          oprot.writeFieldEnd();
        }
      }
      if (struct.cellVisibility != null) {
        if (struct.isSetCellVisibility()) {
          oprot.writeFieldBegin(CELL_VISIBILITY_FIELD_DESC);
          struct.cellVisibility.write(oprot);
          oprot.writeFieldEnd();
        }
      }
      if (struct.isSetReturnResults()) {
        oprot.writeFieldBegin(RETURN_RESULTS_FIELD_DESC);
        oprot.writeBool(struct.returnResults);
        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/thrift2/generated/TAppend.java