org.apache.dubbo.rpc.cluster

Class RouterChain<T>

java.lang.Object

org.apache.dubbo.rpc.cluster.RouterChain<T>

public class RouterChain<T>
extends Object

Router chain

Constructor Summary

Constructors

Constructor and Description
RouterChain(List<Router> routers, List<StateRouter<T>> stateRouters, boolean shouldFailFast, RouterSnapshotSwitcher routerSnapshotSwitcher)

Method Summary

Modifier and Type	Method and Description
void	addRouters(List<Router> routers) If we use route:// protocol in version before 2.7.0, each URL will generate a Router instance, so we should keep the routers up to date, that is, each time router URLs changes, we should update the routers list, only keep the builtinRouters which are available all the time and the latest notified routers which are generated from URLs.
static <T> RouterChain<T>	buildChain(Class<T> interfaceClass, org.apache.dubbo.common.URL url)
RouterSnapshotNode<T>	buildRouterSnapshot(org.apache.dubbo.common.URL url, BitList<Invoker<T>> availableInvokers, Invocation invocation) Build each router's result
void	destroy()
StateRouter<T>	getHeadStateRouter()
List<Router>	getRouters()
List<StateRouter<T>>	getStateRouters() Deprecated.
void	initWithRouters(List<Router> builtinRouters) the resident routers must being initialized before address notification.
List<Invoker<T>>	route(org.apache.dubbo.common.URL url, BitList<Invoker<T>> availableInvokers, Invocation invocation)
List<Invoker<T>>	routeAndPrint(org.apache.dubbo.common.URL url, BitList<Invoker<T>> availableInvokers, Invocation invocation)
void	setHeadStateRouter(StateRouter<T> headStateRouter) Deprecated.
void	setInvokers(BitList<Invoker<T>> invokers) Notify router chain of the initial addresses from registry at the first time.
List<Invoker<T>>	simpleRoute(org.apache.dubbo.common.URL url, BitList<Invoker<T>> availableInvokers, Invocation invocation)

Methods inherited from class java.lang.Object

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

Constructor Detail

RouterChain

public RouterChain(List<Router> routers,
                   List<StateRouter<T>> stateRouters,
                   boolean shouldFailFast,
                   RouterSnapshotSwitcher routerSnapshotSwitcher)

Method Detail

buildChain

public static <T> RouterChain<T> buildChain(Class<T> interfaceClass,
                                            org.apache.dubbo.common.URL url)

initWithRouters

public void initWithRouters(List<Router> builtinRouters)

the resident routers must being initialized before address notification. only for ut

addRouters

public void addRouters(List<Router> routers)

If we use route:// protocol in version before 2.7.0, each URL will generate a Router instance, so we should keep the routers up to date, that is, each time router URLs changes, we should update the routers list, only keep the builtinRouters which are available all the time and the latest notified routers which are generated from URLs.

Parameters:

routers - routers from 'router://' rules in 2.6.x or before.

getRouters

public List<Router> getRouters()

getHeadStateRouter

public StateRouter<T> getHeadStateRouter()

route

public List<Invoker<T>> route(org.apache.dubbo.common.URL url,
                              BitList<Invoker<T>> availableInvokers,
                              Invocation invocation)

routeAndPrint

public List<Invoker<T>> routeAndPrint(org.apache.dubbo.common.URL url,
                                      BitList<Invoker<T>> availableInvokers,
                                      Invocation invocation)

simpleRoute

public List<Invoker<T>> simpleRoute(org.apache.dubbo.common.URL url,
                                    BitList<Invoker<T>> availableInvokers,
                                    Invocation invocation)

buildRouterSnapshot

public RouterSnapshotNode<T> buildRouterSnapshot(org.apache.dubbo.common.URL url,
                                                 BitList<Invoker<T>> availableInvokers,
                                                 Invocation invocation)

Build each router's result

setInvokers

public void setInvokers(BitList<Invoker<T>> invokers)

Notify router chain of the initial addresses from registry at the first time. Notify whenever addresses in registry change.

setHeadStateRouter

@Deprecated
public void setHeadStateRouter(StateRouter<T> headStateRouter)

Deprecated.

for uts only

getStateRouters

@Deprecated
public List<StateRouter<T>> getStateRouters()

Deprecated.

for uts only

destroy

public void destroy()