1 /*
2 * Copyright (c) 2017 Baidu, Inc. All Rights Reserve.
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 package com.baidu.fsg.uid.buffer;
17
18 /**
19 * If tail catches the cursor it means that the ring buffer is full, any more buffer put request will be rejected.
20 * Specify the policy to handle the reject. This is a Lambda supported interface
21 *
22 * @author yutianbao
23 */
24 @FunctionalInterface
25 public interface RejectedPutBufferHandler {
26
27 /**
28 * Reject put buffer request
29 *
30 * @param ringBuffer
31 * @param uid
32 */
33 void rejectPutBuffer(RingBuffer ringBuffer, long uid);
34 }