Paul Duffin | 7fc0b45 | 2015-11-10 17:45:15 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 Google Inc. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.google.caliper; |
| 18 | |
| 19 | import com.google.common.base.Supplier; |
| 20 | |
| 21 | import java.io.PrintStream; |
| 22 | |
| 23 | abstract class Measurer { |
| 24 | |
| 25 | private PrintStream logStream = System.out; |
| 26 | |
| 27 | /** |
| 28 | * Sets the stream used to log caliper events. |
| 29 | */ |
| 30 | void setLogStream(PrintStream logStream) { |
| 31 | this.logStream = logStream; |
| 32 | } |
| 33 | |
| 34 | public abstract MeasurementSet run(Supplier<ConfiguredBenchmark> testSupplier) throws Exception; |
| 35 | |
| 36 | protected void prepareForTest() { |
| 37 | System.gc(); |
| 38 | System.gc(); |
| 39 | } |
| 40 | |
| 41 | protected final void log(String message) { |
| 42 | logStream.println(LogConstants.CALIPER_LOG_PREFIX + message); |
| 43 | } |
| 44 | } |