com.vaadin.flow.server.communication.rpc.

java.lang.Object
- com.vaadin.flow.server.communication.rpc.AbstractRpcInvocationHandler

All Implemented Interfaces:

RpcInvocationHandler, Serializable

Direct Known Subclasses:

AttachExistingElementRpcHandler, AttachTemplateChildRpcHandler, EventRpcHandler, MapSyncRpcHandler, PublishedServerEventHandlerRpcHandler, ReturnChannelHandler
```
public abstract class AbstractRpcInvocationHandler
extends Object
implements RpcInvocationHandler
```
Abstract invocation handler implementation with common methods.
For internal use only. May be renamed or removed in a future release.

Since:

1.0

Author:

Vaadin Ltd

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

AbstractRpcInvocationHandler()

Method Summary

All Methods
Modifier and Type	Method	Description
`protected boolean`	`allowInert(StateNode node)`
`protected boolean`	`allowInvocationWhileInert(UI ui, elemental.json.JsonObject invocationJson)`	Specifies whether RPC invocations are allowed while the node is inert.
`Optional<Runnable>`	`handle(UI ui, elemental.json.JsonObject invocationJson)`	Handles RPC data `invocationJson` using `ui` as a context.
`protected abstract Optional<Runnable>`	`handleNode(StateNode node, elemental.json.JsonObject invocationJson)`	Handle the RPC data `invocationJson` using target `node` as a context.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.vaadin.flow.server.communication.rpc.RpcInvocationHandler
getRpcType

- Constructor Detail
  - AbstractRpcInvocationHandler
```
public AbstractRpcInvocationHandler()
```
- Method Detail
  - handle
```
public Optional<Runnable> handle(UI ui,
                                 elemental.json.JsonObject invocationJson)
```
    Description copied from interface: RpcInvocationHandler
    
    Handles RPC data invocationJson using ui as a context.
    
    Specified by:
    
    handle in interface RpcInvocationHandler
    
    Parameters:
    
    ui - the UI to handle against, not null
    
    invocationJson - the RPC data to handle, not null
    
    Returns:
    
    an optional runnable
  - allowInvocationWhileInert
```
protected boolean allowInvocationWhileInert(UI ui,
                                            elemental.json.JsonObject invocationJson)
```
    Specifies whether RPC invocations are allowed while the node is inert. The default behaviour checks the validity of the polling invocations on the ui.
    
    Parameters:
    
    ui - the UI instance that RPC invocation originated from.
    
    invocationJson - the JsonObject containing invocation properties.
    
    Returns:
    
    a boolean indicating that the whether the current invocation is allowed for the ui while the node is inert.
  - allowInert
```
protected boolean allowInert(StateNode node)
```
  - handleNode
```
protected abstract Optional<Runnable> handleNode(StateNode node,
                                                 elemental.json.JsonObject invocationJson)
```
    Handle the RPC data invocationJson using target node as a context.
    
    Parameters:
    
    node - node to handle invocation with, not null
    
    invocationJson - the RPC data to handle, not null
    
    Returns:
    
    an optional runnable

com.vaadin.flow.server.communication.rpc.

Class AbstractRpcInvocationHandler

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface com.vaadin.flow.server.communication.rpc.RpcInvocationHandler

Constructor Detail

AbstractRpcInvocationHandler

Method Detail

handle

allowInvocationWhileInert

allowInert

handleNode