spring NamedInheritableThreadLocal 源码
spring NamedInheritableThreadLocal 代码
文件路径：/spring-core/src/main/java/org/springframework/core/NamedInheritableThreadLocal.java
/*
* Copyright 2002-2018 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.core;
import org.springframework.util.Assert;
/**
* {@link InheritableThreadLocal} subclass that exposes a specified name
* as {@link #toString()} result (allowing for introspection).
*
* @author Juergen Hoeller
* @since 2.5.2
* @param <T> the value type
* @see NamedThreadLocal
*/
public class NamedInheritableThreadLocal<T> extends InheritableThreadLocal<T> {
private final String name;
/**
* Create a new NamedInheritableThreadLocal with the given name.
* @param name a descriptive name for this ThreadLocal
*/
public NamedInheritableThreadLocal(String name) {
Assert.hasText(name, "Name must not be empty");
this.name = name;
}
@Override
public String toString() {
return this.name;
}
}
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