import net.floodlightcontroller.core.internal.Controller.ModuleLoaderState; //导入依赖的package包/类
@Override
public ModuleLoaderState getModuleLoaderState() {
    return null;
}
 

import net.floodlightcontroller.core.internal.Controller.ModuleLoaderState; //导入依赖的package包/类
@Override
public void registerHandshakePlugin(IAppHandshakePluginFactory factory) {
	Preconditions.checkState(floodlightProvider.getModuleLoaderState() == ModuleLoaderState.INIT,
			"handshakeplugins can only be registered when the module loader is in state INIT!");
	handshakePlugins.add(factory);
}
 

import net.floodlightcontroller.core.internal.Controller.ModuleLoaderState; //导入依赖的package包/类
/**
 * Gets the current module loading state.
 * @return the current module loading state.
 */
ModuleLoaderState getModuleLoaderState();
 

import net.floodlightcontroller.core.internal.Controller.ModuleLoaderState; //导入依赖的package包/类
/**
 * Gets the current module loading state.
 * 获得当前模块的载入状态
 * @return the current module loading state.
 */
ModuleLoaderState getModuleLoaderState();