throw new IllegalArgumentException("Root bean cannot be changed into a child bean with parent reference"); } } MutablePropertyValues 是为相应的对象设置属性值。 child 我这里使用了 GenericBeanDefinition,这个主要是做 child 的处理,最早有一个专门做 child 的 ChildBeanDefinition,不过自从 Spring2.5 开始提...
* 重写了childValue方法,实现上直接将父线程的属性作为子线程的本地变量对象。 */ @Override protected WeakHashMap<TransmittableThreadLocal<Object>, ?> childValue(WeakHashMap<TransmittableThreadLocal<Object>, ?>parentValue){ return new WeakHashMap<TransmittableThreadLocal<Object>, Object>(parentValue); }...
The ClassLoader class uses a delegation model to search for classes and resources. Each instance of ClassLoader has an associated parent class loader. When requested to find a class or resource, a ClassLoader instance will usually delegate the search for the class or resource to its parent clas...
*/ T childValue(T parentValue) { throw new UnsupportedOperationException(); } 上面过程如下图: 对于hash碰撞之后使用的开放定址法使用的nextIndex将在后面进行讨论。 2.3.3 Hash及hash碰撞的处理方法 在讨论后面的set、get、remove之前,有两个基本的内容需要先理解清楚,第一个内容就是ThreadLocalMap的hash及...
classThreadimplementsRunnable{//...///* ThreadLocal values pertaining to this thread. This map is maintained * by the ThreadLocal class. */ThreadLocal.ThreadLocalMap threadLocals=null;//...//} 我们接着看上面代码中出现的getMap和createMap方法的实现: 代码语言...
* for which the parent has values. Normally the child's values will be * identical to the parent's; however, the child's value can be made an * arbitrary function of the parent's by overriding the childValue * method in this class. * * Inheritable...
webAppLibURL =newURL[] {newURL("file:caller.jar"),newURL("file:referencer.jar")};3637//Child ClassLoader instance creation38URLClassLoader childClassLoader =newURLClassLoader(webAppLibURL);3940/*** Application code execution... ***/4142//1. Change the current Thread ClassLoader to the ...
Each child context can override configuration inherited from the parent context. 我们可以有多个共享父子关系的应用程序上下文。上下文层次结构允许多个子上下文共享驻留在父上下文中的bean。每个子上下文都可以覆盖从父上下文继承的配置。package org.springframework.beans.factory; import org.springframework.lang....
subclass(child) - the class that inherits from another class superclass(parent) - the class being inherited from To inherit from a class, use theextendskeyword. In the example below, theCarclass (subclass) inherits the attributes and methods from theVehicleclass (superclass): ...
{@code public static <E> void forEach(E[] array, Consumer<E> action) { class Task extends CountedCompleter<Void> { final int lo, hi; Task(Task parent, int lo, int hi) { super(parent); this.lo = lo; this.hi = hi; } public void compute() { if (hi - lo >= 2) { int mi...