Java EE and NoSQL using JBoss EAP 7 and OpenShift

1. Java
EE
and
NoSQL
using
JBoss
EAP
7
and
OpenShift
Arun Gupta, @arungupta
Matt Ingenthron, @ingenthr

2. • Java EE 7 and Java SE 8
• Optimized for containers & cloud
• Enhanced admin & monitoring
• DevOps productivity

3. DEVELOPER
PRODUCTIVITY
MEETING
ENTERPRISE
DEMANDS
Java EE 7
! Batch
! Concurrency
! Simplified JMS
! More annotated POJOs
! Less boilerplate code
! Cohesive integrated
platform
! WebSockets
! JSON
! Servlet 3.1 NIO
! REST

4. Top 10 Java EE 7 features
• WebSocket endpoints
• Batch Applications
• JSON Processing
• Concurrency Utilities
• Simplified JMS API
• Transactions in POJO
• JAX-RS Client API
• Default Resources
• More annotated POJOs
• Faces Flow

5. Optimized for Container & Clouds
• Low-memory footprint, faster startup and higher density
• OpenShift Container support
• Highly scalable Web Server (Undertow)
• Non/blocking I/O
• Port reduction
• HTTP/2, WebSockets, …

6. Enhanced Admin & Monitoring
• Faster, simpler, intuitive web console
• Powerful CLI
• Server suspend/Graceful shutdown

7. Types of NoSQL databases
• Key/Value
• Document
• Graph
• Columnar

8. NoSQL Databases: Key-Value
Key Value
Email devadvocates@couchbase.com
Profile {
“name”: “Bob”,
“location”: “Mountain View, CA”
}
Logo

9. NoSQL Databases - Document
{
“name”: “Erlich”,
“location”: “Mountain View, CA”,
“like”: [
“running”,
“reading”,
“music”
]
}
{
“name”: “Gilfoyle”,
“location”: “Mountain View, CA”,
“like”: [
“running”,
“reading”,
“music”
]
}
{
“name”: “Dinesh”,
“location”: “Mountain View, CA”,
“like”: [
“running”,
“reading”,
“music”
]
}
{
“name”: “Richard”,
“location”: “Silicon Valley”,
“like”: [
“running”,
“reading”,
“music”
]
}

10. NoSQL Databases - Columnar
Row Column1
JK Rowling
Harry Potter and the
Philosopher’s
Stone
Column2
Author Title Year of Release
Harry Potter and the
Chamber of Secrets
Harry Potter and the
NoSQL Journey
1997
1998
2016

11. NoSQL Databases - Graph
Richard Hendricks
Pied Piper
Erlich Bachman
House
ownsworks
founded part-owner
friends

12. ©2016
Couchbase
Inc.
NoSQL
catalog
12
Key-Value
Memcached
Cache
(memoryonly)
Database
(memory/disk)
Redis
Data Structure
Riak
Couchbase
MongoDB
Document Column
Cassandra
Graph
Neo4j
HBase InfiniteGraph
Coherence
Membase

13. ©2016
Couchbase
Inc.
What
is
Couchbase?
13
Managed'Cache Key-Value'Store Document'Database Embedded'Database Sync'Management

14. ©2016
Couchbase
Inc.
Couchbase
Developer
14

15. ©2016
Couchbase
Inc.
Couchbase
and
BigData
15

16. ©2016
Couchbase
Inc.
Cross-­‐data
Center
Replication
(XDCR)
16

17. ©2016
Couchbase
Inc.
▪Declarative query language that extends
SQL for JSON
▪SELECT, INSERT, UPDATE, DELETE,
MERGE, EXPLAIN
▪Sort, filter, transform, group, and
combine/join data
▪Query data via language integration
17

18. ©2016
Couchbase
Inc.
▪JSON documents
– Rich structure
– Structure evolution
▪SQL
– General query functionality
– Query across relationships
▪Why N1QL?
– Developers already know SQL
– No need for complex query frameworks
18

19. ©2016
Couchbase
Inc.
SELECT name, code
FROM `beer-sample`
WHERE city = 'San Francisco'
AND type = 'brewery';
19
SELECT DISTINCT brewery_id FROM `beer-sample`
WHERE brewery_id IS NOT MISSING
ORDER BY brewery_id
LIMIT 5;

20. ©2016
Couchbase
Inc.
Couchbase
Java
SDK
//connect to the cluster
CouchbaseCluster cluster = CouchbaseCluster.create("localhost");
//open a bucket
Bucket bucket = cluster.openBucket(“bucket", "password");
//create JSON and a document
JsonObject json = JsonObject.create().put("name", "John");
JsonDocument doc = JsonDocument.create("key1", json);
//store the document
bucket.insert(doc);
20

21. ©2016
Couchbase
Inc.
Access
NoSQL
using
JDBC
▪JDBC driver for accessing Couchbase
▪Run N1QL queries
▪Get JSON data through standard JDBC interfaces
▪JSON types supported
– Simple values (string, numbers, boolean, …)
– Compound (objects, arrays, …)
▪Users
– BI/ETL Tools (Tableau, Informatica, …)
– Persistence providers (EclipseLink, Hibernate, …)
▪github.com/jdbc-json/jdbc-cb
21

22. ©2016
Couchbase
Inc.
Getting
Started
with
JDBC
Driver
<dependency>
<groupId>com.couchbase.jdbc</groupId>
<artifactId>jdbc-n1ql</artifactId>
<version>1.0-BETA</version>
</dependency>
22

23. ©2016
Couchbase
Inc.
Accessing
Couchbase
using
JDBC
package com.couchbase.jdbc.examples;
import java.sql.*;
public class SimpleVerification {
public static void main(String[] args) throws Exception {
Connection con = DriverManager.getConnection("jdbc:couchbase://localhost:8093");
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery("select name, code from `beer-sample` " +
"where city = 'San Francisco' and type = 'brewery'");
while (rs.next()) {
String name = rs.getString("name");
String code = rs.getString("code");
System.out.println("name: " + name + ", code: " + code);
}
}
}
23

24. ©2016
Couchbase
Inc.
Hibernate
OGM
▪Power and simplicity of JPA for NoSQL databases
▪Currently supported
– Key/value: Infinispan, Ehcache
– Document: MongoDB, Couchbase
– Graph: Neo4J
▪hibernate.org/ogm
24

26. Community Powered Innovation

27. OpenShift 3

28. ©2016
Couchbase
Inc. 28

29. ©2016
Couchbase
Inc.
▪Technical readiness
for OpenShift
▪First and only NoSQL
database primed for
OpenShift
29

30. ©2016
Couchbase
Inc.
OpenShift
All-­‐in-­‐One
VM
30

31. ©2016
Couchbase
Inc. 31

32. ©2016
Couchbase
Inc. 32

33. ©2016
Couchbase
Inc.
WildFly
Swarm
▪Package and run Java EE applications
▪Just enough of the server runtime
▪Creates an über JAR
▪Integrated stack
– Single sign-on using Keycloak
– Monitoring using Hawkular
– Swagger
– Netflix OSS stack - Hystrix, Turbine, …
33

34. ©2016
Couchbase
Inc.
Java
EE
Microservices
Stack
34
https://github.com/arun-gupta/wildfly-swarm-couchbase

35. ©2016
Couchbase
Inc. 35
@Path("airline")
public class AirlineResource {
@Inject Database database;
@GET
public String getAll() {
N1qlQuery query = N1qlQuery.simple("SELECT * FROM `travel-sample` LIMIT 10");
N1qlQueryResult result = database.getBucket().query(query);
return result.allRows().toString();
}
}
@Singleton
@Startup
public class Database {
CouchbaseCluster cluster;
public CouchbaseCluster getCluster() {
return CouchbaseCluster.create(“localhost”);
}
public Bucket getBucket() {
return getCluster().openBucket("travel-sample");
}
}

36. ©2016
Couchbase
Inc.
Demo
36

37. ©2016
Couchbase
Inc.
References
▪JBoss EAP: jboss.org/products/eap
▪OpenShift: openshift.com
▪Getting Started with NoSQL: couchbase.com/get-started-
developing-nosql
▪Couchbase Developer Portal: developer.couchbase.com
▪N1QL interactive tutorial: query.pub.couchbase.com/tutorial/
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38. ©2016
Couchbase
Inc.