An integrated, fail safe e-business platform based on open source solutions
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2015 An integrated, fail-safe e-business platform 2015 schweizmobilplus.ch
Transcript of An integrated, fail safe e-business platform based on open source solutions
2015
An integrated, fail-safe e-business platform
2015
schweizmobilplus.ch
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fastforwardMagnolia integration
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fully certified lots of
experience with migration to
Magnolia 5
let’s talk!
since first release
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The clientSchweizMobil
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Trails
Guide books
map.schweizmobil.ch
App
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Premium featuresSchweizMobilPlus
draw
save
export
offline
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The websiteSchweizMobil
promotesell
FAQ
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The websiteSchweizMobil
responsive(Bootstrap)
live server-side validation
(AJAX)
coupons
e-payment
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System architecture
Website
Address DB
User authentication
Map
SwissPass
E-Payment
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Unreliable data exchangeProblem # 1
web serviceAddress
DB Problem # 2
Demanding users
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Website
Address DB
User authentication
Map
SwissPass
E-Payment
R1: independentsystems
R2:
no data
loss
R3:
automatic
synching
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LDAP master + slaves
Website
Address DB
User authentication
Map
SwissPass
E-Payment
Decoupling solution#1
+
LDAP master
LDAP slave
LDAP slave
LDAP slave
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Import text files with updates
Website
Address company
User administration
Map
SwissPass
E-Payment
Data module Importer triggers
import jobs with
Scheduler module
Decoupling solution#2slave DB
custom Importer: (scp)
master DB
m5.txt
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Message Queue
Tomcat
Message Queue
publicauthor
web service
DB
Decoupling solution#3
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Message Queue
Tomcat
Message Queue
publicauthor
web service
DB
R4: simple
integrated Message Queue
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Message Queue
Java VM
Tomcat
publicauthorsaveOrder()onMessage()
web service
DB
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Implementation details
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1. Share librariesJava VM
Tomcat
Message Queue
publicauthor
lib/activemq
web service
DB
Class loader
lib/jms
lib/activemqlib/jms
lib/activemqlib/jms
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2. JNDI: define resourceJava VM
Tomcat
Message Queue
publicauthor
conf/server.xml
web service
DB
<GlobalNamingResources> <Resource
name=„jms/ConnectionFactory“auth=„Container"type=„org.apache.activemq.ActiveMQConnectionFactory"description="JMS Connection Factory“factory=„org.apache.activemq.jndi.JNDIReferenceFactory"brokerName=„MyActiveMQBroker"brokerURL=„vm://schweizmobil" />…
</GlobalNamingResources>
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3. JNDI: configure contextJava VM
Tomcat
Message Queue
publicauthor
conf/context.xml
web service
DB
<ResourceLink global="jms/ConnectionFactory" name="jms/ConnectionFactory" />
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4. JNDI: lookup objects
Tomcat
Message Queue
publicauthor
conf/context.xml
web service
DB
import javax.naming.Context;import javax.naming.InitialContext;import javax.naming.NamingException;…ActiveMQConnectionFactory connectionFactory;Context initCtx = new InitialContext();Context envCtx = (Context) initCtx.lookup("java:comp/env");connectionFactory = (ActiveMQConnectionFactory) envCtx.lookup("jms/ConnectionFactory");
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5. Produce message
Message Queue
publicauthor
web service
DB
saveOrder()
shared repository
pitfall:
time lag with
clustered repo
delay message(a couple of seconds)
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6. Consume message: configure queue
Message Queue
publicauthor
web service
DB
/WEB-INF/config/default/magnolia.properties
onMessage()
pitfall*: consumer on more than instance
/WEB-INF/config/author/magnolia.properties
magnolia.activemq.brokerURI=vm://schweizmobilmagnolia.activemq.enableProducer=falsemagnolia.activemq.enableConsumer=truemagnolia.activemq.consumerRedeliveries=3magnolia.activemq.consumerRedeliveryDelay=30000magnolia.activemq.consumerUseExponentialBackOff=true
magnolia.activemq.brokerURI=vm://schweizmobilmagnolia.activemq.enableProducer=falsemagnolia.activemq.enableConsumer=falsemagnolia.activemq.consumerRedeliveries=3magnolia.activemq.consumerRedeliveryDelay=30000magnolia.activemq.consumerUseExponentialBackOff=true
magnolia.activemq.brokerURI=vm://schweizmobilmagnolia.activemq.enableProducer=falsemagnolia.activemq.enableConsumer=truemagnolia.activemq.consumerRedeliveries=3magnolia.activemq.consumerRedeliveryDelay=30000magnolia.activemq.consumerUseExponentialBackOff=true
*single-war deployment
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Message Queue
publicauthor
web service
DB
if (!MgnlContext.hasInstance()) { MgnlContext.setInstance(new SimpleContext(Components.getComponent(SystemContext.class)));}// Do the work ...// ... then:MgnlContext.release();
pitfall:
MgnlContext.
getInstance()
NullPointerException
6. Consume message: MgnlContext
onMessage()
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Demo
