/* * 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. */ package org.apache.cassandra.utils.memory; import java.nio.ByteBuffer; public final class HeapAllocator extends AbstractAllocator { public static final HeapAllocator instance = new HeapAllocator(); /** * Normally you should use HeapAllocator.instance, since there is no per-Allocator state. * This is exposed so that the reflection done by Memtable works when SlabAllocator is disabled. */ private HeapAllocator() {} public ByteBuffer allocate(int size) { return ByteBuffer.allocate(size); } public boolean allocatingOnHeap() { return true; } }