| /* |
| * 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.rocketmq.tieredstore.mock; |
| |
| import java.io.File; |
| import java.nio.ByteBuffer; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.ExecutionException; |
| import org.apache.rocketmq.common.message.MessageQueue; |
| import org.apache.rocketmq.tieredstore.common.TieredMessageStoreConfig; |
| import org.apache.rocketmq.tieredstore.provider.TieredFileSegment; |
| import org.junit.Assert; |
| |
| public class MemoryFileSegment extends TieredFileSegment { |
| protected final ByteBuffer memStore; |
| |
| public CompletableFuture<Boolean> blocker; |
| |
| protected boolean checkSize = true; |
| |
| public MemoryFileSegment(TieredFileSegment.FileSegmentType fileType, MessageQueue messageQueue, long baseOffset, |
| TieredMessageStoreConfig storeConfig) { |
| super(fileType, messageQueue, baseOffset, storeConfig); |
| switch (fileType) { |
| case COMMIT_LOG: |
| memStore = ByteBuffer.allocate(10000); |
| break; |
| case CONSUME_QUEUE: |
| memStore = ByteBuffer.allocate(10000); |
| break; |
| case INDEX: |
| memStore = ByteBuffer.allocate(10000); |
| break; |
| default: |
| memStore = null; |
| break; |
| } |
| memStore.position((int) getSize()); |
| } |
| |
| @Override |
| public String getPath() { |
| return "/tiered/" + fileType + File.separator + baseOffset; |
| } |
| |
| @Override |
| public long getSize() { |
| if (checkSize) { |
| return 1000; |
| } |
| return 0; |
| } |
| |
| @Override |
| public void createFile() { |
| |
| } |
| |
| @Override |
| public CompletableFuture<ByteBuffer> read0(long position, int length) { |
| ByteBuffer buffer = memStore.duplicate(); |
| buffer.position((int) position); |
| ByteBuffer slice = buffer.slice(); |
| slice.limit(length); |
| return CompletableFuture.completedFuture(slice); |
| } |
| |
| @Override |
| public CompletableFuture<Boolean> commit0(TieredFileSegmentInputStream inputStream, long position, int length, |
| boolean append) { |
| try { |
| if (blocker != null && !blocker.get()) { |
| throw new IllegalStateException(); |
| } |
| } catch (InterruptedException | ExecutionException e) { |
| Assert.fail(e.getMessage()); |
| } |
| |
| Assert.assertTrue(!checkSize || position >= getSize()); |
| |
| byte[] buffer = new byte[1024]; |
| |
| int startPos = memStore.position(); |
| try { |
| int len; |
| while ((len = inputStream.read(buffer)) > 0) { |
| memStore.put(buffer, 0, len); |
| } |
| Assert.assertEquals(length, memStore.position() - startPos); |
| } catch (Exception e) { |
| Assert.fail(e.getMessage()); |
| return CompletableFuture.completedFuture(false); |
| } |
| return CompletableFuture.completedFuture(true); |
| } |
| |
| @Override |
| public boolean exists() { |
| return false; |
| } |
| |
| @Override |
| public void destroyFile() { |
| |
| } |
| } |