JMS Tutorial

Andreas

Description

????OverviewDescribe the concepts and some practical applications of messaging.basic structure of JMS.Write simple JMS messaging code using the publish and subscribe and point-to-point domains.Discuss advanced JMS issues such as guaranteed messaging, transactions, reliability, and recovery.Part 1: Enterprise Messaging and JMSEnterprise messagingApplication A Application BMessage-Messaging API Messaging APIOriented MiddlewareMessaging Clients Messaging ClientsTightly Coupled RPCBusinessBusinessApplication BApplication ARPCRPCClient/ServerClient/ServerBusinessBusinessApplication DApplication CRequires n * (n-1) / 2 connectionsRPCRPCClient/ServerClient/ServerJMS messagingCentralized message serverDecentralized message server (IP multicast)(hub and spoke)Application AJMS ClientJMS RouterJMS JMS ClientClientClientLocal "server"Message ServerLocal "server" Local "server" Local "server"JMS JMS JMS JMS JMS ClientClientClient Client ClientJMS Application B Application C Application DClientThe J2EE platformClient ApplicationJ2EE PlatformApplication EJB Web Client Container ContainerContainerJMS JDBC ServerDatabasePart 2: JMS Concepts and CodingWholesaler and retailer Retailer 1Update price(publish)Message Order productWholesalerServer(send)Retailer 2??????JMS featuresStandard Java APIMessage delivery modesTwo messaging modelsTransactionsReliability ...

Informations

• Publié par: Soeg
• Nombre de lectures: 26
• Langue: English

Extrait

Overview

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Describe the concepts and some practical applications of messaging. Describe the concepts and basic structure of JMS. Write simple JMS messaging code using the publish and subscribe and point-to-point domains. Discuss advanced JMS issues such as guaranteed messaging, transactions, reliability, and recovery.

Part 1: Enterprise Messaging and JMS

Enterprise messaging

Application A

Messaging API

Messaging Clients

Message- Oriented Middleware

Application B

Messaging API

Messaging Clients

Tightly Coupled RPC

Business Application A

RPC Client/Server

Business Application D

RPC Client/Server

Requires n * (n-1) / 2 connections

Business Application B

RPC Client/Server

Business Application C RPC Client/Server

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JMS Client

Message Server

Centralized message server (hub and spoke)

JMS messaging

Application A JMS Client Local "server"

Router

Local "server" JMS Client Application B

JMS Client

JMS Client

JMS Client

JMS Client

JMS Client

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The J2EE platform

Client Application

EJB Container

JMS Server

Web Container

J2EE Platform

Application Client Container

JDBC Database

Part 2: JMS Concepts and Coding

Wholesaler and retailer

Wholesaler

Update price (publish)

Message Server

Retailer 1

Order product (send)

Retailer 2

JMS features

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Standard Java API Message delivery modes Two messaging models Transactions Reliability levels Persistent messaging

JMS messaging domains

Publish and subscribe ¾Many consumers per message Point-to-point ¾One consumer per message

Pu m b a l n

Publisher

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Topic

bi:eSupplychain

Subscriber