1 /* 2 * Copyright 2017 The Netty Project 3 * 4 * The Netty Project licenses this file to you under the Apache License, 5 * version 2.0 (the "License"); you may not use this file except in compliance 6 * with the License. You may obtain a copy of the License at: 7 * 8 * https://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, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations 14 * under the License. 15 */ 16 package io.netty5.util.internal; 17 18 import java.nio.ByteBuffer; 19 20 /** 21 * Allows to free direct {@link ByteBuffer}s. 22 */ 23 interface Cleaner { 24 25 /** 26 * Free a direct {@link ByteBuffer} if possible 27 */ 28 void freeDirectBuffer(ByteBuffer buffer); 29 }