| /* |
| * 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. |
| */ |
| long getMemoryAddress(); |
| |
| /** |
| * Returns the size of this memory chunk in bytes. |
| */ |
| 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. |
| */ |
| void free(); |
| } |