spring ConcurrentBeanFactoryBenchmark 源码
spring ConcurrentBeanFactoryBenchmark 代码
文件路径：/spring-beans/src/jmh/java/org/springframework/beans/factory/ConcurrentBeanFactoryBenchmark.java
/*
* Copyright 2002-2020 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.beans.factory;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.infra.Blackhole;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import static org.springframework.core.testfixture.io.ResourceTestUtils.qualifiedResource;
/**
* Benchmark for creating prototype beans in a concurrent fashion.
* This benchmark requires to customize the number of worker threads {@code -t <int>} on the
* CLI when running this particular benchmark to leverage concurrency.
*
* @author Brian Clozel
*/
@BenchmarkMode(Mode.Throughput)
public class ConcurrentBeanFactoryBenchmark {
@State(Scope.Benchmark)
public static class BenchmarkState {
public DefaultListableBeanFactory factory;
@Setup
public void setup() {
this.factory = new DefaultListableBeanFactory();
new XmlBeanDefinitionReader(this.factory).loadBeanDefinitions(
qualifiedResource(ConcurrentBeanFactoryBenchmark.class, "context.xml"));
this.factory.addPropertyEditorRegistrar(
registry -> registry.registerCustomEditor(Date.class,
new CustomDateEditor(new SimpleDateFormat("yyyy/MM/dd"), false)));
}
}
@Benchmark
public void concurrentBeanCreation(BenchmarkState state, Blackhole bh) {
bh.consume(state.factory.getBean("bean1"));
bh.consume(state.factory.getBean("bean2"));
}
public static class ConcurrentBean {
private Date date;
public Date getDate() {
return this.date;
}
public void setDate(Date date) {
this.date = date;
}
}
}
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