io.vertx.core

Interface Handler<E>

All Known Subinterfaces:

APIKeyHandler, ApolloWSConnectionInitEvent, ApolloWSHandler, AuthenticationHandler, AuthenticationHandler, AuthenticationHandler, AuthenticationHandler, AuthorizationHandler, BaseBridgeEvent, BasicAuthHandler, BodyHandler, BodyStream<T>, BridgeEvent, BridgeEvent, ChainAuthHandler, ClusterHealthCheck, ConnectionInitEvent, CorsHandler, CSPHandler, CSRFHandler, DigestAuthHandler, ErrorHandler, FaviconHandler, FormLoginHandler, GraphiQLHandler, GraphQLHandler, GraphQLWSHandler, GrpcIoServer, GrpcServer, HandlerReceiverAdaptor<T>, HealthCheckHandler, HSTSHandler, HTTPOperationRequestValidationHandler, HTTPOperationRequestValidationHandler, HTTPOperationRequestValidationHandler, HTTPOperationRequestValidationHandler, HttpProxy, HTTPRequestValidationHandler, HystrixMetricHandler, InputTrustHandler, InputTrustHandler, InputTrustHandler, InputTrustHandler, JsonParser, JWTAuthHandler, LoggerHandler, MethodOverrideHandler, MultiTenantHandler, OAuth2AuthHandler, OpenAPI3RequestValidationHandler, OtpAuthHandler, PlatformHandler, PlatformHandler, PlatformHandler, PlatformHandler, Promise<T>, ProtocolUpgradeHandler, ProtocolUpgradeHandler, ProtocolUpgradeHandler, ProtocolUpgradeHandler, ProxyHandler, RecordParser, RedirectAuthHandler, ResponseContentTypeHandler, ResponseTimeHandler, Router, RouteToEBServiceHandler, SecurityPolicyHandler, SecurityPolicyHandler, SecurityPolicyHandler, SecurityPolicyHandler, SessionHandler, SimpleAuthenticationHandler, SockJSHandler, SockJSTermHandler, StaticHandler, StompServerHandler, TemplateHandler, TimeoutHandler, ValidationHandler, ValidationHandler, ValidationHandler, ValidationHandler, ValidationHandler, WebAuthnHandler, XFrameHandler

All Known Implementing Classes:

APIKeyHandler, APIKeyHandler, APIKeyHandler, ApolloWSHandler, ApolloWSHandler, ApolloWSHandler, AuthorizationHandler, AuthorizationHandler, AuthorizationHandler, BasicAuthHandler, BasicAuthHandler, BasicAuthHandler, BodyHandler, BodyHandler, BodyHandler, ChainAuthHandler, ChainAuthHandler, ChainAuthHandler, CorsHandler, CorsHandler, CorsHandler, CSPHandler, CSPHandler, CSPHandler, CSRFHandler, CSRFHandler, CSRFHandler, DefaultAbortHandler, DefaultAckHandler, DefaultBeginHandler, DefaultCommitHandler, DefaultConnectHandler, DefaultNackHandler, DefaultSendHandler, DefaultSubscribeHandler, DefaultUnsubscribeHandler, DigestAuthHandler, DigestAuthHandler, DigestAuthHandler, ErrorHandler, ErrorHandler, ErrorHandler, FaviconHandler, FaviconHandler, FaviconHandler, FormLoginHandler, FormLoginHandler, FormLoginHandler, GraphiQLHandler, GraphiQLHandler, GraphiQLHandler, GraphQLHandler, GraphQLHandler, GraphQLHandler, GraphQLWSHandler, GraphQLWSHandler, GraphQLWSHandler, GrpcIoServer, GrpcIoServer, GrpcIoServer, GrpcServer, GrpcServer, GrpcServer, HandlerAdapter, HealthCheckHandler, HealthCheckHandler, HealthCheckHandler, HSTSHandler, HSTSHandler, HSTSHandler, HttpProxy, HTTPRequestValidationHandler, HTTPRequestValidationHandler, HTTPRequestValidationHandler, HystrixMetricHandler, HystrixMetricHandler, HystrixMetricHandler, JsonParser, JsonParser, JsonParser, JWTAuthHandler, JWTAuthHandler, JWTAuthHandler, LoggerHandler, LoggerHandler, LoggerHandler, MethodOverrideHandler, MethodOverrideHandler, MethodOverrideHandler, MultiTenantHandler, MultiTenantHandler, MultiTenantHandler, OAuth2AuthHandler, OAuth2AuthHandler, OAuth2AuthHandler, OpenAPI3RequestValidationHandler, OpenAPI3RequestValidationHandler, OpenAPI3RequestValidationHandler, OtpAuthHandler, OtpAuthHandler, OtpAuthHandler, ProxyHandler, ProxyHandler, RecordParser, RecordParser, RecordParser, RedirectAuthHandler, RedirectAuthHandler, RedirectAuthHandler, ResponseContentTypeHandler, ResponseContentTypeHandler, ResponseContentTypeHandler, ResponseTimeHandler, ResponseTimeHandler, ResponseTimeHandler, Router, Router, Router, SessionHandler, SessionHandler, SessionHandler, SimpleAuthenticationHandler, SimpleAuthenticationHandler, SimpleAuthenticationHandler, SockJSHandler, SockJSHandler, SockJSHandler, SockJSTermHandler, SockJSTermHandler, SockJSTermHandler, StaticHandler, StaticHandler, StaticHandler, StompServerHandler, StompServerHandler, StompServerHandler, TemplateHandler, TemplateHandler, TemplateHandler, TimeoutHandler, TimeoutHandler, TimeoutHandler, ValidationHandler, ValidationHandler, ValidationHandler, WebAuthnHandler, WebAuthnHandler, WebAuthnHandler, XFrameHandler, XFrameHandler, XFrameHandler

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface Handler<E>

A generic event handler.

This interface is used heavily throughout Vert.x as a handler for all types of asynchronous occurrences.

Author:

Tim Fox

Method Summary

Modifier and Type	Method and Description
void	handle(E event) Something has happened, so handle it.

Method Detail

handle

void handle(E event)

Something has happened, so handle it.

Parameters:

event - the event to handle