/* * 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.geode.internal.offheap; /** * A "slab" of memory. Slabs can be created by calling * {@link AddressableMemoryManager#allocateSlab(int)}. Slabs have an address, a size, and can be * freed. */ public interface Slab { /** * Return the address of the memory of this slab. */ public long getMemoryAddress(); /** * Returns the size of this memory chunk in bytes. */ public int getSize(); /** * Returns any memory allocated for this slab. Note that after free is called the address of this * slab should no longer be used. */ public void free(); }