Examples with ModuleClassLoader com.shulie.instrument.simulator.core.classloader.ModuleClassLoader used on opensource projects

Example 1 with ModuleClassLoader

use of com.shulie.instrument.simulator.core.classloader.ModuleClassLoader in project LinkAgent by shulieTech.

the class ClassLoaderFactoryImpl method getClassLoader.

@Override
public ClassLoader getClassLoader(ClassLoader businessClassLoader) {
    if (!isMiddlewareModule) {
        return defaultClassLoader;
    }
    try {
        int id = ObjectIdUtils.identity(businessClassLoader);
        /**
         * 如果还没有默认的模块业务类加载器，则将默认模块业务类加载器设置成当前请求的业务类加载器
         * 返回默认模块类加载器
         */
        if (defaultBizClassLoaderRef.compareAndSet(null, id)) {
            return defaultClassLoader;
        }
        /**
         * 如果默认的模块业务类加载器与当前请求的业务类加载器一致，则使用默认模块类加载器
         */
        if (defaultBizClassLoaderRef.get() == id) {
            return defaultClassLoader;
        }
        ModuleClassLoader moduleClassLoader = this.classLoaderCache.get(id);
        if (moduleClassLoader != null) {
            return moduleClassLoader;
        }
        moduleClassLoader = new ModuleClassLoader(classLoaderService, moduleJarFile, moduleId, businessClassLoader == null ? null : businessClassLoader.toString());
        ModuleClassLoader oldModuleClassLoader = classLoaderCache.putIfAbsent(id, moduleClassLoader);
        if (oldModuleClassLoader != null) {
            moduleClassLoader.closeIfPossible();
            moduleClassLoader = oldModuleClassLoader;
        }
        return moduleClassLoader;
    } catch (IOException e) {
        throw new ModuleRuntimeException("SIMULATOR: getModuleClassLoader err", ModuleRuntimeException.ErrorCode.MODULE_LOAD_ERROR);
    }
}