Moritz Halbritter
1 year ago
parent
bf48819222
commit
9e212875c3
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/*
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* Copyright 2012-2023 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.autoconfigure.thread;
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import java.lang.reflect.Method;
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import java.util.concurrent.Executor;
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import java.util.concurrent.Executors;
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import org.springframework.util.Assert;
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import org.springframework.util.ReflectionUtils;
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/**
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* Virtual thread support.
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*
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* @author Moritz Halbritter
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* @since 3.2.0
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*/
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public class VirtualThreads {
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private final Executor executor;
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VirtualThreads() {
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Method method = ReflectionUtils.findMethod(Executors.class, "newVirtualThreadPerTaskExecutor");
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Assert.notNull(method, "Executors.newVirtualThreadPerTaskExecutor() method is missing");
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this.executor = (Executor) ReflectionUtils.invokeMethod(method, null);
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}
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/**
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* Returns the virtual thread executor.
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* @return the virtual thread executor
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*/
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public Executor getExecutor() {
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return this.executor;
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}
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}
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@ -1,39 +0,0 @@
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/*
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* Copyright 2012-2023 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.autoconfigure.thread;
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import org.springframework.boot.autoconfigure.AutoConfiguration;
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import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnVirtualThreads;
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import org.springframework.context.annotation.Bean;
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/**
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* {@link EnableAutoConfiguration Auto-configuration} for virtual threads.
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*
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* @author Moritz Halbritter
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* @since 3.2.0
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*/
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@AutoConfiguration
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@ConditionalOnVirtualThreads
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public class VirtualThreadsAutoConfiguration {
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@Bean
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VirtualThreads virtualThreads() {
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return new VirtualThreads();
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}
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}
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@ -1,60 +0,0 @@
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/*
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* Copyright 2012-2023 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.autoconfigure.thread;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.condition.EnabledForJreRange;
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import org.junit.jupiter.api.condition.JRE;
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import org.springframework.boot.autoconfigure.AutoConfiguration;
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import org.springframework.boot.autoconfigure.AutoConfigurations;
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import org.springframework.boot.context.annotation.ImportCandidates;
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import org.springframework.boot.test.context.runner.ApplicationContextRunner;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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* Tests for {@link VirtualThreadsAutoConfiguration}.
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*
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* @author Moritz Halbritter
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*/
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class VirtualThreadsAutoConfigurationTests {
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private final ApplicationContextRunner runner = new ApplicationContextRunner()
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.withConfiguration(AutoConfigurations.of(VirtualThreadsAutoConfiguration.class));
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@Test
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void shouldBeRegisteredInAutoConfigurationImports() {
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assertThat(ImportCandidates.load(AutoConfiguration.class, null).getCandidates())
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.contains(VirtualThreadsAutoConfiguration.class.getName());
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}
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@Test
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@EnabledForJreRange(min = JRE.JAVA_21)
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void shouldSupplyBeans() {
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this.runner.withPropertyValues("spring.threads.virtual.enabled=true")
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.run((context) -> assertThat(context).hasSingleBean(VirtualThreads.class));
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}
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@Test
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@EnabledForJreRange(min = JRE.JAVA_21)
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void shouldNotSupplyBeansIfVirtualThreadsAreNotEnabled() {
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this.runner.withPropertyValues("spring.threads.virtual.enabled=false")
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.run((context) -> assertThat(context).doesNotHaveBean(VirtualThreads.class));
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}
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}
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@ -1,47 +0,0 @@
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/*
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* Copyright 2012-2023 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.autoconfigure.thread;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.condition.EnabledForJreRange;
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import org.junit.jupiter.api.condition.JRE;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.assertj.core.api.Assertions.assertThatThrownBy;
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/**
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* Tests for {@link VirtualThreads}.
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*
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* @author Moritz Halbritter
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*/
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class VirtualThreadsTests {
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@Test
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@EnabledForJreRange(max = JRE.JAVA_20)
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void shouldThrowExceptionBelowJava21() {
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assertThatThrownBy(VirtualThreads::new).isInstanceOf(IllegalArgumentException.class)
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.hasMessage("Executors.newVirtualThreadPerTaskExecutor() method is missing");
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}
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@Test
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@EnabledForJreRange(min = JRE.JAVA_21)
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void shouldReturnExecutorOnJava21AndUp() {
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VirtualThreads virtualThreads = new VirtualThreads();
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assertThat(virtualThreads.getExecutor()).isNotNull();
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}
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}
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