com.r3corda.node.services.api / AbstractNodeService

AbstractNodeService

abstract class AbstractNodeService

Abstract superclass for services that a node can host, which provides helper functions.



Constructors

<init> AbstractNodeService(net: MessagingService)

Abstract superclass for services that a node can host, which provides helper functions.

Properties

net val net: MessagingService

Functions

addMessageHandler fun <Q : AbstractRequestMessage, R : Any> addMessageHandler(topic: String, handler: (Q) -> R, exceptionConsumer: (Message, Exception) -> Unit): Unit

Register a handler for a message topic. In comparison to using net.addMessageHandler() this manages a lot of common boilerplate code. Exceptions are caught and passed to the provided consumer.

fun <Q : AbstractRequestMessage, R : Any> addMessageHandler(topic: String, handler: (Q) -> R): Unit

Register a handler for a message topic. In comparison to using net.addMessageHandler() this manages a lot of common boilerplate code. Exceptions are propagated to the messaging layer.

Inheritors

DataVendingService class DataVendingService : AbstractNodeService

This class sets up network message handlers for requests from peers for data keyed by hash. It is a piece of simple glue that sits between the network layer and the database layer.

InMemoryNetworkMapService class InMemoryNetworkMapService : NetworkMapService, AbstractNodeService
NotaryService abstract class NotaryService : AbstractNodeService

A Notary service acts as the final signer of a transaction ensuring two things:

Service class Service : AcceptsFileUpload, AbstractNodeService

The Service that wraps Oracle and handles messages/network interaction/request scrubbing.