1 /*
2  * Copyright (C) 2023 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.adservices.service.adselection;
18 
19 /**
20  * Payload formatter interface defines methods for a payload formatter.
21  *
22  * <p>Each formatted data contains a meta info byte as its first byte where the first 3 bits are for
23  * compression algorithm version and the last 5 bits are for the formatter version.
24  */
25 public interface AuctionServerPayloadFormatter {
26 
27     /** Generates payload from given data */
apply( AuctionServerPayloadUnformattedData unformattedData, int compressorVersion)28     AuctionServerPayloadFormattedData apply(
29             AuctionServerPayloadUnformattedData unformattedData, int compressorVersion);
30 }
31