| /** |
| * 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.distributedlog.benchmark.stream; |
| |
| import org.apache.distributedlog.DistributedLogConstants; |
| import org.apache.commons.cli.CommandLine; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| abstract class AbstractReaderBenchmark extends StreamBenchmark { |
| |
| private static final Logger logger = LoggerFactory.getLogger(SyncReaderBenchmark.class); |
| |
| protected ReadMode readMode = ReadMode.LATEST; |
| protected long fromTxId = DistributedLogConstants.INVALID_TXID; |
| protected long rewindMs = 0L; |
| protected int batchSize = 1; |
| |
| protected AbstractReaderBenchmark() { |
| options.addOption("t", "tx-id", true, |
| "Transaction ID to start read from when reading in mode 'position'"); |
| options.addOption("r", "rewind", true, |
| "Time to rewind back to read from when reading in mode 'rewind' (in milliseconds)"); |
| options.addOption("m", "mode", true, |
| "Read Mode : [oldest, latest, rewind, position]"); |
| options.addOption("b", "batch-size", true, "Read batch size"); |
| } |
| |
| @Override |
| protected void parseCommandLine(CommandLine cmdline) { |
| if (cmdline.hasOption("m")) { |
| String mode = cmdline.getOptionValue("m"); |
| try { |
| readMode = ReadMode.valueOf(mode.toUpperCase()); |
| } catch (IllegalArgumentException iae) { |
| logger.error("Invalid read mode {}.", mode); |
| printUsage(); |
| System.exit(0); |
| } |
| } else { |
| printUsage(); |
| System.exit(0); |
| } |
| if (cmdline.hasOption("t")) { |
| fromTxId = Long.parseLong(cmdline.getOptionValue("t")); |
| } |
| if (cmdline.hasOption("r")) { |
| rewindMs = Long.parseLong(cmdline.getOptionValue("r")); |
| } |
| if (cmdline.hasOption("b")) { |
| batchSize = Integer.parseInt(cmdline.getOptionValue("b")); |
| } |
| logger.info("Start reading from transaction id {}, rewind {} ms.", fromTxId, rewindMs); |
| } |
| } |