1 /* 2 * Copyright 2015 The gRPC Authors 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 io.grpc.internal; 18 19 /** 20 * An allocator of buffers provided by the transport implementation to {@link MessageFramer} so 21 * it can send chunks of data to the transport in a form that the transport can directly serialize. 22 */ 23 public interface WritableBufferAllocator { 24 25 /** 26 * Request a new {@link WritableBuffer} with the given {@code capacityHint}. The allocator is 27 * free to return a buffer with a greater or lesser capacity. 28 */ allocate(int capacityHint)29 WritableBuffer allocate(int capacityHint); 30 } 31