2021-02-17 13:54:11 +01:00
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/*
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* Copyright 2021 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.buffer.api.adaptor;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.ByteBufAllocator;
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import io.netty.buffer.CompositeByteBuf;
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import io.netty.buffer.api.BufferAllocator;
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public class ByteBufAllocatorAdaptor implements ByteBufAllocator, AutoCloseable {
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private final BufferAllocator onheap;
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private final BufferAllocator offheap;
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private boolean closed;
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public ByteBufAllocatorAdaptor() {
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this(BufferAllocator.pooledHeap(), BufferAllocator.pooledDirect());
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}
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public ByteBufAllocatorAdaptor(BufferAllocator onheap, BufferAllocator offheap) {
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this.onheap = onheap;
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this.offheap = offheap;
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}
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@Override
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public ByteBuf buffer() {
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return buffer(256);
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}
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public BufferAllocator getOnHeap() {
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return onheap;
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}
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public BufferAllocator getOffHeap() {
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return offheap;
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}
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public boolean isClosed() {
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return closed;
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}
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@Override
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public ByteBuf buffer(int initialCapacity) {
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return new ByteBufAdaptor(this, onheap.allocate(initialCapacity));
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}
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@Override
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public ByteBuf buffer(int initialCapacity, int maxCapacity) {
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return buffer(maxCapacity);
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}
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@Override
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public ByteBuf ioBuffer() {
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return directBuffer();
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}
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@Override
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public ByteBuf ioBuffer(int initialCapacity) {
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return directBuffer(initialCapacity);
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}
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@Override
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public ByteBuf ioBuffer(int initialCapacity, int maxCapacity) {
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return directBuffer(initialCapacity, maxCapacity);
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}
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@Override
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public ByteBuf heapBuffer() {
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return buffer();
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}
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@Override
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public ByteBuf heapBuffer(int initialCapacity) {
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return buffer(initialCapacity);
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}
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@Override
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public ByteBuf heapBuffer(int initialCapacity, int maxCapacity) {
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return buffer(initialCapacity, maxCapacity);
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}
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@Override
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public ByteBuf directBuffer() {
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return directBuffer(256);
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}
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@Override
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public ByteBuf directBuffer(int initialCapacity) {
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2021-03-06 11:18:14 +01:00
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return new ByteBufAdaptor(this, offheap.allocate(initialCapacity));
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2021-02-17 13:54:11 +01:00
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}
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@Override
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public ByteBuf directBuffer(int initialCapacity, int maxCapacity) {
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return directBuffer(maxCapacity);
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}
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@Override
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public CompositeByteBuf compositeBuffer() {
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return compositeHeapBuffer();
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}
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@Override
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public CompositeByteBuf compositeBuffer(int maxNumComponents) {
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return compositeHeapBuffer(maxNumComponents);
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}
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@Override
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public CompositeByteBuf compositeHeapBuffer() {
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return compositeHeapBuffer(1024);
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}
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@Override
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public CompositeByteBuf compositeHeapBuffer(int maxNumComponents) {
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return new CompositeByteBuf(this, false, maxNumComponents, heapBuffer());
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}
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@Override
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public CompositeByteBuf compositeDirectBuffer() {
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return compositeDirectBuffer(1024);
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}
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@Override
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public CompositeByteBuf compositeDirectBuffer(int maxNumComponents) {
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return new CompositeByteBuf(this, true, maxNumComponents, directBuffer());
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}
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@Override
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public boolean isDirectBufferPooled() {
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return true;
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}
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@Override
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public int calculateNewCapacity(int minNewCapacity, int maxCapacity) {
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return 0;
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}
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@Override
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public void close() throws Exception {
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try (onheap) {
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try (offheap) {
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closed = true;
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}
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}
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}
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}
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