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 cursor catches the tail it means that the ring buffer is empty, any more buffer take 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 RejectedTakeBufferHandler { 26 27 /** 28 * Reject take buffer request 29 * 30 * @param ringBuffer 31 */ 32 void rejectTakeBuffer(RingBuffer ringBuffer); 33 }