| /* |
| * 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.mnemonic; |
| |
| /** |
| * Provide persist operations |
| */ |
| public interface Persistence<A extends RetrievableAllocator<A>> { |
| |
| /** |
| * Make any cached changes to a memory resource persistent. |
| * |
| * @param addr |
| * the address of a memory resource |
| * |
| * @param length |
| * the length of the memory resource |
| * |
| * @param autodetect |
| * if NULL == address and autodetect : persist whole pool |
| * if 0L == length and autodetect : persist block |
| */ |
| void syncToNonVolatileMemory(long addr, long length, boolean autodetect); |
| |
| /** |
| * flush processors cache for a memory resource |
| * |
| * @param addr |
| * the address of a memory resource |
| * |
| * @param length |
| * the length of the memory resource |
| * |
| * @param autodetect |
| * if NULL == address and autodetect : flush whole pool |
| * if 0L == length and autodetect : flush block |
| */ |
| void syncToLocal(long addr, long length, boolean autodetect); |
| |
| /** |
| * persist a buffer to persistent memory. |
| * |
| * @param mbuf |
| * specify a buffer to be persisted |
| */ |
| void syncToNonVolatileMemory(MemBufferHolder<A> mbuf); |
| |
| /** |
| * persist a chunk to persistent memory. |
| * |
| * @param mchunk |
| * specify a chunk to be persisted |
| */ |
| void syncToNonVolatileMemory(MemChunkHolder<A> mchunk); |
| |
| /** |
| * persist the memory pool to persistent memory. |
| */ |
| void persistAll(); |
| |
| /** |
| * flush a buffer to persistent memory. |
| * |
| * @param mbuf |
| * specify a buffer to be flushed |
| */ |
| void syncToLocal(MemBufferHolder<A> mbuf); |
| |
| /** |
| * flush a chunk to persistent memory. |
| * |
| * @param mchunk |
| * specify a chunk to be flushed |
| */ |
| void syncToLocal(MemChunkHolder<A> mchunk); |
| |
| /** |
| * flush the memory pool to persistent memory. |
| */ |
| void flushAll(); |
| |
| /** |
| * drain memory caches to persistent memory. |
| */ |
| void drain(); |
| |
| } |