44 lines
1.4 KiB
Java
44 lines
1.4 KiB
Java
/*
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* Copyright 2020 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.memseg;
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import io.netty.buffer.api.Buffer;
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import io.netty.buffer.api.Drop;
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import jdk.incubator.foreign.MemorySegment;
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public class HeapMemorySegmentManager extends AbstractMemorySegmentManager {
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@Override
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public boolean isNative() {
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return false;
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}
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@Override
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protected MemorySegment createSegment(long size) {
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return MemorySegment.ofArray(new byte[Math.toIntExact(size)]);
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}
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@Override
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public Drop<Buffer> drop() {
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return convert(buf -> buf.makeInaccessible());
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}
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@SuppressWarnings({ "unchecked", "UnnecessaryLocalVariable" })
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private static Drop<Buffer> convert(Drop<MemSegBuffer> drop) {
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Drop<?> tmp = drop;
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return (Drop<Buffer>) tmp;
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}
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}
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