| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| using System; |
| using System.Buffers; |
| using System.Runtime.CompilerServices; |
| using System.Threading.Tasks; |
| |
| namespace Apache.Arrow |
| { |
| internal static class ArrayPoolExtensions |
| { |
| [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| public static void RentReturn(this ArrayPool<byte> pool, int length, Action<Memory<byte>> action) |
| { |
| byte[] array = null; |
| |
| try |
| { |
| array = pool.Rent(length); |
| action(array.AsMemory(0, length)); |
| } |
| finally |
| { |
| if (array != null) |
| { |
| pool.Return(array); |
| } |
| } |
| } |
| |
| [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| public static ValueTask RentReturnAsync(this ArrayPool<byte> pool, int length, Func<Memory<byte>, ValueTask> action) |
| { |
| byte[] array = null; |
| |
| try |
| { |
| array = pool.Rent(length); |
| return action(array.AsMemory(0, length)); |
| } |
| finally |
| { |
| if (array != null) |
| { |
| pool.Return(array); |
| } |
| } |
| } |
| } |
| } |