Package org.apache.nifi.controller.service

Class StandardControllerServiceInvocationHandler

java.lang.Object

org.apache.nifi.controller.service.StandardControllerServiceInvocationHandler

All Implemented Interfaces:

InvocationHandler, ControllerServiceInvocationHandler

public class StandardControllerServiceInvocationHandler
extends Object
implements ControllerServiceInvocationHandler

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	StandardControllerServiceInvocationHandler.ProxiedReturnObjectInvocationHandler

Field Summary

Fields

Modifier and Type	Field	Description
private final ExtensionManager	extensionManager
private static final org.slf4j.Logger	logger
private final ControllerService	originalService
private static final Method	PROXY_WRAPPER_GET_WRAPPED_METHOD
private final AtomicReference<ControllerServiceNode>	serviceNodeHolder
private static final Set<Method>	validDisabledMethods

Constructor Summary

Constructors

Constructor	Description
StandardControllerServiceInvocationHandler(ExtensionManager extensionManager, ControllerService originalService)
StandardControllerServiceInvocationHandler(ExtensionManager extensionManager, ControllerService originalService, ControllerServiceNode serviceNode)

Method Summary

Modifier and Type	Method	Description
private boolean	containsWrappedProxy(Object[] values)
Object	invoke(Object proxy, Method method, Object[] args)
private Object	invoke(Object bareObject, Method method, Object[] args, ClassLoader bareObjectClassLoader, ClassLoader callerClassLoader)
private boolean	isInHierarchy(ClassLoader objectClassLoader, ClassLoader classLoaderHierarchy)
private boolean	isWrappedProxy(Object value)
private Object	proxy(Object bareObject, Class<?> declaredType)
void	setServiceNode(ControllerServiceNode serviceNode)
private Object	unwrap(Object value, ClassLoader expectedClassLoader, Method method)
private Object[]	unwrapProxies(Object[] values, ClassLoader expectedClassLoader, Method method)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

logger

private static final org.slf4j.Logger logger

PROXY_WRAPPER_GET_WRAPPED_METHOD

private static final Method PROXY_WRAPPER_GET_WRAPPED_METHOD

validDisabledMethods

private static final Set<Method> validDisabledMethods

originalService

private final ControllerService originalService

serviceNodeHolder

private final AtomicReference<ControllerServiceNode> serviceNodeHolder

extensionManager

private final ExtensionManager extensionManager

Constructor Details

StandardControllerServiceInvocationHandler

public StandardControllerServiceInvocationHandler(ExtensionManager extensionManager,
 ControllerService originalService)

Parameters:

originalService - the original service being proxied

StandardControllerServiceInvocationHandler

public StandardControllerServiceInvocationHandler(ExtensionManager extensionManager,
 ControllerService originalService,
 ControllerServiceNode serviceNode)

Parameters:

originalService - the original service being proxied

serviceNode - the node holding the original service which will be used for checking the state (disabled vs running)

Method Details

setServiceNode

public void setServiceNode(ControllerServiceNode serviceNode)

Specified by:

setServiceNode in interface ControllerServiceInvocationHandler

invoke

public Object invoke(Object proxy,
 Method method,
 Object[] args)
              throws Throwable

Specified by:

invoke in interface InvocationHandler

Throws:

Throwable

isInHierarchy

private boolean isInHierarchy(ClassLoader objectClassLoader,
 ClassLoader classLoaderHierarchy)

proxy

private Object proxy(Object bareObject,
 Class<?> declaredType)

unwrapProxies

private Object[] unwrapProxies(Object[] values,
 ClassLoader expectedClassLoader,
 Method method)

unwrap

private Object unwrap(Object value,
 ClassLoader expectedClassLoader,
 Method method)

containsWrappedProxy

private boolean containsWrappedProxy(Object[] values)

isWrappedProxy

private boolean isWrappedProxy(Object value)

invoke

private Object invoke(Object bareObject,
 Method method,
 Object[] args,
 ClassLoader bareObjectClassLoader,
 ClassLoader callerClassLoader)
               throws IllegalAccessException,
InvocationTargetException

Throws:

IllegalAccessException

InvocationTargetException