}
            pad = parameterOffset % PADDING_SIZE;
            pad = pad == 0 ? 0 : PADDING_SIZE - pad;
            parameterOffset += pad;

            totalParameterCount = writeParametersWireFormat( txn_buf, bufParameterOffset );
            bufDataOffset = totalParameterCount; // data comes right after data

            int available = maxBufferSize - parameterOffset;

            }

            this.pad1 = pad(this.parameterOffset);
            this.parameterOffset += this.pad1;

            this.totalParameterCount = writeParametersWireFormat(this.txn_buf, this.bufParameterOffset);
            this.bufDataOffset = this.totalParameterCount; // data comes right after data

            int available = this.maxBufferSize - this.parameterOffset;