BOF7796_Rahman - ACTIVEevents.com

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

1

GlassFish BOF

Reza Rahman, GlassFish Evangelist

Anil Gaur, VP Software Development

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

2

The following is intended to outline our general product
direction.
It
is intended

for
information purposes only, and
may not be incorporated into any contract.

It
is not a
commitment to deliver any material, code,
or
functionality,
and should not be relied upon in making
purchasing
decisions
. The development, release, and timing of any
features or functionality described for Oracle
’
s products
remains at the sole discretion of Oracle.



Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

3

Agenda


Journey since JavaOne 2012


Road Ahead


Community Feedback


Your agenda…Q&A

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

4

GlassFish Community


Shipped Java EE 7 RI


More social: More Twitter followers


Community contributions

–
FishCat
–

Mohammed, Marcus, Adam & many more

–
Adopt
-
a
-
JSR effort with 20+ JUGs

–
Tic Tac Toe Sample
-

Johan


Since JavaOne 2012…


Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

5

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

6

Java EE 7

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

7

Java EE Past, Present, & Future

J2EE 1.3



CMP,

Connector

Architecture



J2EE
1.4


Web
Services

Mgmt,
Deployment,

Async

Connector


Java EE 5




Ease of

Development,

EJB 3, JPA,
JSF, JAXB,
JAX
-
WS,
StAX, SAAJ

Java EE 6


Pruning,

Extensibility,

Ease of Use,

CDI, JAX
-
RS


Web Profile


Servlet 3,
EJB 3.1

Lite


Java EE 7


JMS 2,
Batch, TX,
Concurrency,
Interceptor,
WebSocket,
JSON

Web Profile


JAX
-
RS 2


JAX
-
RPC
,
CMP/ BMP
,
JSR 88

J2EE 1.2


Servlet, JSP,
EJB, JMS,
RMI



Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

8

Java EE 7

Connector
1.6

Managed Beans 1.0

EJB 3.2

Servlet 3.1

Portable

Extension
s

JSF 2.2

JAX
-
RS
2.0

Bean Validation 1.1

JMS 2.0

JPA 2.1

EL 3.0

JTA 1.2

JSP 2.2

Interceptors 1.1

CDI 1.1

Common
Annotations 1.1

Updated

Major

Release

New

Concurrency Utilities

(JSR 236)

Batch Applications

(JSR 352)

Java API for JSON

(JSR 353)

Java API for WebSocket

(JSR 356)

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

9

Java API for WebSocket


Full
-
duplex, bidirectional communication over HTTP

–
Part of HTML 5


API for WebSocket Client/Server

–
Declarative, annotation
-
driven

–
Programmatic, interface
-
driven


Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

10

Java API for WebSocket

Connection Life Cycle

@Singleton

@ServerEndpoint(”/chat”)

public class ChatServer {


Set<Session> peers = ...



@OnOpen


public void onOpen(Session peer) {


peers.add(session);


}



@OnClose


public void onClose(Session session) {


peers.remove(session);


}


...

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

11

Java API for WebSocket

WebSocket Communication


...


@OnMessage


public void message(String message, Session client)


throws IOException {


for (Session session : peers) {


if (!session.equals(client)) {


session.getBasicRemote().sendObject(message);


}


}


}

}

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

12

JAX
-
RS 2


Client API


Message filters & entity interceptors


Asynchronous processing

–
Server and client


Hypermedia Support


Mime type negotiation

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

13

JAX
-
RS 2

Client API

// Get instance of Client

Client client =
ClientBuilder.newClient()
;



// Get customer name for the shipped products

String name = client.target(“
../orders/{orderId}/customer
”)


.pathParam(”orderId", ”10”)


.queryParam(”shipped", ”true”)


.request()


.get(String.class);

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

14

JMS 2


API modernization

–
Streamlined APIs

–
Dependency injection

–
Runtime exceptions

–
Builder pattern

–
Intelligent defaults


Delivery delay, async send, delivery count


MDB alignment


JMS resource definition

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

15

JMS 2

Old API

@Resource(lookup = "java:global/jms/demoConnectionFactory")

ConnectionFactory connectionFactory;

@Resource(lookup = "java:global/jms/demoQueue")

Queue demoQueue;


public void sendMessage(String payload) {


try {


Connection connection = connectionFactory.createConnection();


try {


Session session = connection.createSession(false,


Session.AUTO_ACKNOWLEDGE);


MessageProducer messageProducer =


session.createProducer(demoQueue);


TextMessage textMessage = session.createTextMessage(payload);


messageProducer.send(textMessage);


} finally {


connection.close();


}


} catch (JMSException ex) {


Logger.getLogger(getClass().getName()).log(Level.SEVERE, null, ex);


}

}

Boilerplate

Functional core

Checked exceptions

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

16

JMS 2

Simplified API

@Inject

private JMSContext context;


@Resource(mappedName = "jms/inboundQueue")

private Queue inboundQueue;


public void sendMessage (String payload) {


context.createProducer().send(inboundQueue, payload);

}

Reduced to functional core

Higher
-
level managed, injected API

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

17

Batch Applications for the Java Platform


Standard Java API for batch processing


Lingua franca for well understood batch concepts

–
Jobs, job specification language (JSL), steps, readers, writers,
processors, chunking, flow, parallelization, repositories

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

18

<step id=”
sendStatements
”
>


<chunk reader ref=”
accountReader
”


processor ref=”
accountProcessor
”


writer ref=
”
emailWriter
”


chunk
-
size=”10” />

</step>

Batch Applications for the Java Platform

Step Example

...implements ItemReader {

public Object readItem() {


// read account using JPA

}


...implements ItemProcessor {

Public Object processItems(Object account) {


// read Account, return Statement

}


...implements ItemWriter {

public void writeItems(List accounts) {


// use JavaMail to send email

}


Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

19

Concurrency Utilities for Java EE


Provides low
-
level asynchronous processing capabilities to Java EE
application components in a safe, reliable, consistent manner


Mostly extension of Java SE Concurrency Utilities APIs

–
Managed
ExecutorService

–
Managed
ScheduledExecutorService

–
Managed
ThreadFactory

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

20

Concurrency Utilities for Java EE

Managed Task Executor

public class TestServlet extends HTTPServlet {


@Resource(name=“concurrent/MyExecutorService”)


ManagedExecutorService executor;



Future future = executor.submit(new MyTask());



class MyTask implements Runnable {


public void run() {


...
// Task logic


}


}

}

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

21

Many others . . .

•
JSON
-
P:
Parsing, writing and querying JSON

•
JSF 2.2:

@FlowScoped, HTML5 forms, CDI alignment…

•
Bean Validation 1.1:

Method validation, CDI alignment…

•
Servlet 3.1:

Non
-
blocking IO, Upgrade to WebSocket…

•
EL 3.0:

Lambda expressions, Collection, Operators…

•
JPA 2.1
: Schema generation, stored procedures, converters…

•
JTA 1.2
: @Transactional, @TransactionScoped…

•
CDI 1.1
: Ordering of interceptors, Servlet events, @Vetoed…

•
EJB 3.2:

Optional CMP/BMP…

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

22

GlassFish 4

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

23

GlassFish 4


Primary focus on making Java EE 7 usable by developers


Java EE 7 support in the Admin Console

–
Java EE Concurrency, JBatch


Background execution of admin commands


More REST/SSE support for administration


Log format changes


Configuration defaults


OSGi administration

Feature Summary

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

24

GlassFish 4 and Java EE 7 Concurrency





Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

25

GlassFish 4 and JBatch

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

26

GlassFish 4 and JBatch



list
-
batch
-
job
-
executions



list
-
batch
-
job
-
steps



list
-
batch
-
jobs


Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

27

Attach/Detach Admin Commands


Commands can be executed in the background

–
Use
--
detach
with any command to send to the background

–
Use
--
terse in scripts to receive just job id


Show all running jobs using
list
-
jobs


Bring a job back to the foreground using the
attach

command


Use the configure
-
managed
-
jobs command to further control the
lifecycle of jobs

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

28

More Support for REST/SSE


A more REST centric approach with /command/{command_name}

–
GET for command syntax, POST to execute

–
JSON for data interchange


curl
-
X POST
-
H "X
-
Requested
-
By: reza"
http://localhost:4848/command/uptime



Supports Server Sent Events (SSE)

–
Try the [start|stop]
-
cluster command


curl
-
X POST
-
H "X
-
Requested
-
By: reza"


-
H "Accept: text/event
-
stream"
-
d "clusterName=c01"
http://localhost:4848/command/stop
-
cluster

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

29

ODL vs. ULF


Default log format changed to align with Oracle products


Oracle Diagnostics Logging

–
[
yyyy
-
mm
-
dd
T
hh
:
mm
:
ss
.
SSS
-
Z
][
ProductName
-
Version
][
Log Level
]
[
Message ID
][
LoggerName
][
Key Value Pairs
][[
Message
]]


Uniform Log Formatter

–
[#|
yyyy
-
mm
-
dd
T
hh
:
mm
:
ss
.
SSS
-
Z
|
Log Level
|
ProductName
-
Version
|
LoggerName
|
Key Value Pairs
|
Message
|#]

–
Well understood from GlassFish 3.1

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

30

More Logging Commands


Large set of existing logging related commands

–
Define threshold, file rotation, file names, …


New commands

–
list
-
loggers
helps in understanding logger hierarchy

–
set
-
log
-
file
-
format

to choose ODL, ULF or custom


Still possible to use log viewer in the Admin Console

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

31

Configuration Defaults


GlassFish 3.1
–

configuration values must be specified


GlassFish 4
–

introduce default values where possible

–
Convergence to zero initial configuration


get
-
active
-
module
-
config
prints effective values


create
-
module
-
config
forces default values into the configuration

–
Use as a template for configuration changes

–
--
dryrun
just prints what’s being added


delete
-
module
-
config
removes actual configuration

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

32

OSGi Administration


GlassFish modularity is based on OSGi

–
Default OSGi subsystem is Apache Felix


Integrated GoGo interface

–
The
osgi

command executes one GoGo command

–
The
osgi
-
shell

command opens interactive GoGo console


Optional OSGi admin console

–
Add on to GlassFish

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

33

More Details/Demos


CON3319: GlassFish 4 Overview: What’s Under the Hood?

–
Chanda Patel/Martin Mares

–
Wednesday, September 25, 11:30 AM
-

12:30 PM

–
Parc 55
-

Cyril Magnin I

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

34

GlassFish Server

The Ecosystem

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

35

GlassFish.org
–

New Look and Feel!

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

36

Project Avatar

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

37

What is Avatar?


Industry trends

–
HTML5 and JavaScript is a significant trendsetter in market

–
HTML5 Connectivity
–

need a server

–
Strong interest in server
-
side JavaScript; horizontally scale

–
Native Applications gaining ground (but expensive)

–
Simplified user interface for browser
-
based applications for mobile, tablets and desktops


Avatar Scope

–
Java EE features to support HTML5 connectivity


WebSocket, JAX
-
RS, Server Sent Events

–
JavaScript services on the server

–
Enable Thin Server Architecture


Web Application Framework

R&D on HTML5/JavaScript

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

38

Project Avatar Architecture

1.
Publishing services using
3 programming models:

1.
WebSockets

2.
RESTful WebServices

3.
Server
-
Sent Events (SSE)

2.
Node.js services &
programming model
hosted on the JVM
(avatar.js on Nashorn)

3.
Optional server
-
side
template support for
HTML5 data binding

4.
Optional client library to
consume all the above

HTML
5

Client

*.html

*.js

*.
css

HTTP

(REST)

Web
Sockets

SSE

Application
Server

Java EE

JAX
-
RS

JMS

EJB

Data Sources

JPA

Avatar

Server

JAXB

JSONB

Scripting

Container

WebSockets

SSE

Data
Access

Change

Notification

Databases

Node.jar

Nashorn

4

1

3

2

Servlets

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

39

Avatar Demo


Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

40

Project Avatar


Participate and provide feedback

–
Join avatar.java.net

–
Download and Review sample applications

–
Use Project Avatar

–
Ask questions

–
What is the direction we should take?


GlassFish Open Source Project


Java EE .next

Call to Action

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

41

Roadmap

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

42

GlassFish Server Roadmap

GlassFish Server 4.0

GlassFish Server 4.1

2012

2013

2014

GlassFish Server 3.1.2.2

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

43

The Future of Java EE

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

44

Summary


Java EE 7 themes are HTML5, productivity and enterprise needs


Well received by the community


GlassFish 4 reference implementation and first application server
implementing Java EE 7


Oracle continues to invest in Java EE/GlassFish


Get involved in shaping the future!

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

45

Try it Out!

4.0

http://glassfish.org

Copyright © 2013, Oracle and/or its affiliates. All rights reserved.

46