Interface Handler<E>

All Known Subinterfaces:
APIKeyHandler, AuthenticationHandler, AuthenticationHandler, AuthenticationHandler, AuthorizationHandler, BasicAuthHandler, BodyHandler, BodyStream<T>, ChainAuthHandler, ClusterHealthCheck, CorsHandler, CSPHandler, CSRFHandler, DigestAuthHandler, ErrorHandler, FaviconHandler, FormLoginHandler, GraphQLHandler, GraphQLWSHandler, GrpcIoServer, GrpcServer, HealthCheckHandler, HSTSHandler, HttpProxy, InputTrustHandler, InputTrustHandler, InputTrustHandler, JsonParser, JWTAuthHandler, LoggerHandler, MethodOverrideHandler, MultiTenantHandler, OAuth2AuthHandler, OpenAPIRouterHandler, OtpAuthHandler, PlatformHandler, PlatformHandler, PlatformHandler, ProtocolUpgradeHandler, ProtocolUpgradeHandler, ProtocolUpgradeHandler, ProxyHandler, RecordParser, RedirectAuthHandler, ResponseContentTypeHandler, ResponseTimeHandler, Router, RouteToEBServiceHandler, SecurityAuditLoggerHandler, SecurityPolicyHandler, SecurityPolicyHandler, SecurityPolicyHandler, SessionHandler, SimpleAuthenticationHandler, SockJSTermHandler, StaticHandler, StompServerHandler, TemplateHandler, TimeoutHandler, ValidationHandler, WebAuthn4JHandler, XFrameHandler
All Known Implementing Classes:
APIKeyHandler, APIKeyHandler, AuthorizationHandler, AuthorizationHandler, BasicAuthHandler, BasicAuthHandler, BodyHandler, BodyHandler, ChainAuthHandler, ChainAuthHandler, CorsHandler, CorsHandler, CSPHandler, CSPHandler, CSRFHandler, CSRFHandler, DefaultAbortHandler, DefaultAckHandler, DefaultBeginHandler, DefaultCommitHandler, DefaultConnectHandler, DefaultNackHandler, DefaultSendHandler, DefaultSubscribeHandler, DefaultUnsubscribeHandler, DigestAuthHandler, DigestAuthHandler, ErrorHandler, ErrorHandler, EventBusHandler, FaviconHandler, FaviconHandler, FormLoginHandler, FormLoginHandler, GraphQLHandler, GraphQLHandler, GraphQLWSHandler, GraphQLWSHandler, GrpcServer, GrpcServer, HealthCheckHandler, HealthCheckHandler, HSTSHandler, HSTSHandler, HttpProxy, JsonParser, JsonParser, JWTAuthHandler, JWTAuthHandler, LoggerHandler, LoggerHandler, MethodOverrideHandler, MethodOverrideHandler, MultiTenantHandler, MultiTenantHandler, OAuth2AuthHandler, OAuth2AuthHandler, OtpAuthHandler, OtpAuthHandler, ProxyHandler, ProxyHandler, RecordParser, RecordParser, RedirectAuthHandler, RedirectAuthHandler, ResponseContentTypeHandler, ResponseContentTypeHandler, ResponseTimeHandler, ResponseTimeHandler, Router, Router, SecurityAuditLoggerHandler, SecurityAuditLoggerHandler, SessionHandler, SessionHandler, SimpleAuthenticationHandler, SimpleAuthenticationHandler, StaticHandler, StaticHandler, StompServerHandler, StompServerHandler, TemplateHandler, TemplateHandler, TimeoutHandler, TimeoutHandler, ValidationHandler, ValidationHandler, WebAuthn4JHandler, WebAuthn4JHandler, 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
    Description
    void
    handle(E event)
    Something has happened, so handle it.

  • Method Details

    • handle

      void handle(E event)
      Something has happened, so handle it.
      Parameters:
      event - the event to handle