Spring Data (GemFire) Overview

2© 2014 Pivotal Software, Inc. All rights reserved.
Presenter
John Blum
@john_blum jxblum
Senior Software Engineer
Spring Data Team
Pivotal Software, Inc.
Roles
✧ Spring Data Team
✧ Spring Data GemFire Lead
✧ Spring Data Cassandra Lead
✧ Apache Geode Committer
✧ Previously Pivotal GemFire Engineer
& Technical Lead

3© 2014 Pivotal Software, Inc. All rights reserved. 3© 2014 Pivotal Software, Inc. All rights reserved.
Spring Data GemFire
Past, Present & Future
John Blum
Spring Data Team

Agenda
✧ Background
✧ Project-Release Management
✧ Project Intent
✧ Recommended Practices (Tips)
✧ Improvements
✧ What’s next?
✧ QA

Spring Data Team
✧ John Blum
✧ Spring Data GemFire
✧ Spring Data Cassandra
✧ Mark Paluch
✧ Spring Data Redis
✧ Christoph Strobl
✧ Spring Data MongoDB
✧ Greg Turnquist
✧ Spring Data REST
✧ Oliver Gierke
✧ Spring Data Team Lead
Spring
Data
✧ Spring Data Commons
✧ Spring Data JPA
✧ Spring Data MongoDB
✧ Spring Data Solr
✧ Spring Data GemFire
✧ Spring Data KeyValue
✧ Spring Data REST
http://projects.spring.io/spring-data/

Spring Data GemFire Leadership
✧ Costin Leau – Spring Team
✧ June 2010 – July 2012
✧ David Turanski – Spring Data/XD Teams
✧ August 2012 – August 2013
✧ John Blum – Spring Data Team
✧ August 2013 – Present Spring
Data

July 2013
July 2014
July 2015
July 2016
2012 - 2013
SDG 1.2 – 1.3.2
GemFire 7.0
David Turanski
2010-06-29
Initial Commit
GemFire 6.0.1
Costin Leau
2013-08
SDG 1.3.x
GemFire 7.0.1
John Blum
2013-11-12
SDG 1.3.3
GemFire 7.0.1
2014-04-03
SDG 1.3.4
GemFire 7.0.1
2014-05-20
SDG 1.4 GA
Dijkstra (1.4.6)
GemFire 7.0.2
2014-09-05
SDG 1.5 GA
Evans (1.5.4)
GemFire 7.0.2
2015-03-23
SDG 1.6 GA
Fowler (1.6.3)
GemFire 8.0.0
2015-09-01
SDG 1.7 GA
Gosling (1.7.4)
GemFire 8.1.0
2016-04-06
SDG 1.8 GA
Hopper (1.8.2)
GemFire 8.2.0
2016-07 ?
SDG 1.9 M1
Ingalls
GemFire 8.2.1
2015-06-12
SDG 1.7
(1.7.0.APACHE-GEODE-EA-SNAPSHOT)
Apache Geode
1.0.0-incubating.SNAPSHOT
2016-02-10
SDG 1.7
(1.7.0.APACHE-GEODE-EA-M1)
Apache Geode
1.0.0-incubating-M1
2016-04-28
Spring Data Geode 1.0.0
(1.0.0.APACHE-GEODE-INCUBATING-M2)
Apache Geode
1.0.0-incubating.M2
2016-07 ?
(1.0.0.APACHE-GEODE-
INCUBATING-M3)
Apache Geode
1.0.0-incubating.M3

2013
2014
2015
2016
2017
2015
2016
2017
2015-09-01
SDG 1.7 GA
Gosling (1.7.4)
GemFire 8.1.0
2016-04-06
SDG 1.8 GA
Hopper (1.8.2)
GemFire 8.2.0
2016-12 ?
SDG 1.9 GA
Ingalls
GemFire 8.2.1
…
2015-06-12
SDG 1.7.0.APACHE-GEODE-EA-SNAPSHOT
Apache Geode 1.0.0-incubating.SNAPSHOT
2016-02-10
SDG 1.7.0.APACHE-GEODE-EA-M1
Apache Geode 1.0.0-incubating-M1
2016-04-28
Spring Data Geode 1.0.0.APACHE-GEODE-INCUBATING-M2
Apache Geode 1.0.0-incubating.M2
2016-07 ?
(1.0.0.APACHE-GEODE-
INCUBATING-M3)
Apache Geode
1.0.0-incubating.M3
SDG forks April 27, 2015
SGF-398 – Support for Apache Geode
apache-geode GitHub branch
SDG with Apache Geode support
Released June 12th
, 2015
Announcement on spring.io/blog
SDG for Apache Geode name/version change
Spring Data Geode/1.0.0
Announcement on spring.io/blog
Artifact in Maven Central
Spring Data GemFire
Spring Data Geode

Spring Data GemFire / Geode
Maven Artifacts
Spring Data GemFire
<dependency>
<groupId>org.springframework.data </groupId>
<artifactId>spring-data-
gemfire</artifactId>
<version>1.8.2.RELEASE </version>
</dependency>
Spring Data Geode
<dependency>
<groupId>org.springframework.data </groupId>
<artifactId>spring-data- geode</artifactId>
<version>1.0.0.APACHE-GEODE-INCUBATING-
M2</version>
</dependency>
Pivotal
GemFire
http://search.maven.org/#artifactdetails%7Corg.springframework.data%7Cspring-data-
gemfire%7C1.8.2.RELEASE%7Cjar
http://search.maven.org/#artifactdetails%7Corg.springframework.data%7Cspring-data-geode%7C1.
0.0.APACHE-GEODE-INCUBATING-M2%7Cjar

Spring Data GemFire
Spring Data Release Train
Dijkstra
Evans
Fowler
Gosling
Hopper
Ingalls
Spring Data Release Planning Page
SDG 1.4 SDG 1.5 SDG 1.6 SDG 1.7 SDG 1.8 SDG 1.9
M1
RC1
RELEASE (GA)
SR1
SR2
…
SR-N
✧ M – Milestone
✧ RC – Release Candidate
✧ SR – Service Release

Release Timeline
Spring Data Geode
✧ Spring Data Geode is not part of the Spring Data Release Train.
✧ Spring Data Geode releases correspond to Apache Geode releases.
✧ Release Management Wiki Page

Version Support
Spring Data GemFire
SDG Version Latest Version Spring Framework Spring Boot GemFire
1.3.x 1.3.4.RELEASE 3.0.x -- 7.0.1
1.4.x
(Dijkstra)
1.4.6.RELASE 3.1.x 1.1.x 7.0.2
1.5.x
(Evans)
1.5.4.RELEASE 3.2.x (3.2.17.
RELEASE)
1.2.x (1.2.8.
RELEASE)
7.0.2
1.6.x
(Fowler)
1.6.3.RELEASE 4.0.x -- 8.0.0
1.7.x
(Gosling)
1.7.4.RELEASE 4.1.x 1.3.x (1.3.6.
RELEASE)
8.1.0
1.8.x
(Hopper)
1.8.2.RELEASE 4.2.x (4.2.7.
RELEASE)
1.4.0.RC1 8.2.0
1.9.x
(Ingalls)
1.9.0.BUILD-SNAPSHOT 4.2.x (4.2.7.
RELEASE)
-- 8.2.1
https://github.com/spring-projects/spring-data-
gemfire/wiki/Spring-Data-GemFire-to-GemFire-Version-
Compatibility

Spring Data Support
Spring Boot
1.2
(1.2.8.RELEASE)
1.3
(1.3.6.RELEASE)
1.4
(1.4.0.RC1)
Spring Data Evans
SDG 1.5.4.RELEASE
Spring Data Gosling
SDG 1.7.4.RELEASE
Spring Data Hopper
SDG 1.8.2.RELEASE
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-gemfire</artifactId>
<version>1.4.0.RC1</version>
</dependency>`

“Simple things should be simple;
complex things should be possible”
– Alan Kay

Intent & Purpose
1. Focus on integrating the core Spring Framework’s powerful, non-
invasive programming model & concepts to simplify the configuration
and development of highly-scalable, distributed Spring applications
using either Pivotal GemFire or Apache Geode.
2. Integration with the Spring portfolio…

Spring Framework
+ +
Using Pivotal GemFire or Apache Geode
With Spring’s Transaction Management and Spring Data GemFire/Geode
To support both Local & Global (JTA) Transactions
|

Spring Framework
+ +
With Spring’s Cache Abstraction and Spring Data GemFire/Geode
To serve as a JCache (JSR-107) caching provider
|

Spring Data Commons
+
With SD Commons Repository Infrastructure and SD GemFire/Geode
To rapidly build Data Access Objects (CRUD + Mapping + Querying)
|

Spring Data REST + Spring HATEAOS
+
With SDC Repositories, Spring Data REST and Spring HATEAOS
To easily create mature, hypermedia-driven REST web services
| +

Spring Data GemFire
Spring Integration
+
Using Pivotal GemFire with Spring Integration
For Inbound (Cache Events & CQ) and Outbound Channel Adapters,
Message Store, Lock Registry, Metadata Store

Spring Data GemFire
Spring Session
+
Using Pivotal GemFire with Spring Session (Data GemFire)
To simplify (HTTP) Session State Management
+

Spring Data GemFire
Spring XD
+
Using Pivotal GemFire with Spring XD (CQ, source & sink)
To simplify Big Data applications
Performing Ingest, Analytics, Batch Jobs and Data Export

Spring Data GemFire
Spring Boot
+
Using Pivotal GemFire with Spring Boot
To get up and running as quickly as possible
+

Pivotal GemFire
& Spring Cloud
+
Use Spring Cloud (Connectors)
To build Cloud Native Applications and Microservices
Using Pivotal GemFire

Recommendations
Spring Data GemFire
• Use Spring Boot
• Do not mix Spring (Java/XML) config with cache.xml or GemFire’s Cluster Config
• Prefer Java-based container configuration over XML
• Prefer the GemFireTemplate, Cache Abstraction and Repositories over direct use of
GemFire’s API
• Do not use GemFire’s JTA Transaction Manager implementation; use Atomikos or another
(OSS) JTA provider
• Know the difference between client/server and embedded peer cache Spring applications

Recommendations continued…
Spring Data GemFire
• Learn GemFire forward (doc) and backwards (wiki), inside (source) and out (API)
• Make sure you really understand Spring’s core concepts and the programming model
– DI, AOP, Templates, Data Access, Integration, MVC, Testing, etc…

Repository Query (Method) Extensions via Annotations (1.7)
Improvement
interface CustomerRepository extends GemfireRepository<Customer, Long> {
@Trace
@Limit(25)
@Import(“org.example.app.domain.Customer”)
@Hint({ “CustomerIdIdx”, “CustomerLastNameIdx” })
List<Customer> findByLastName(String lastName);
}
http://docs.spring.io/spring-data-gemfire/docs/current/reference/html/#gemfire-repositories.oql-extension
SGF-392 – Add support for OQL Query statement extensions in Repository Query methods via Annotations

Custom Expiration Annotation Support (1.7)
Improvement
@TimeToLiveExpiration(timeout=“@expirationSettings[‘spel-defined-timeout’]” , action=“DESTROY”)
@IdleTimeout(timeout=“300”, action=“${property.placeholder.defined.action}” )
@Region(“Example”)
class ApplicationDomainObject { .. }
http://docs.spring.io/spring-data-gemfire/docs/current/reference/html/#bootstrap:region:expiration:annotation
SGF-404 – Enable Expiration settings and policies to be specified per application domain object using…

Custom Expiration Annotation Support (Java config)
Improvement
@Bean(name = “Example”)
public PartitionedRegionFactoryBean exampleRegion(GemFireCache gemfireCache
@Qualifier(“exampleRegionAttributes”) RegionAttributes<?,?> exampleRegionAttributes) {
PartitionedRegionFactoryBean exampleRegion =new PartitionedRegionFactoryBean();
exampleRegion.setCache(gemfireCache);
exampleRegion.setAttributes(exampleRegionAttributes);
return exampleRegion;
}
@Bean
public RegionAttributesFactoryBean exampleRegionAttributes() {
RegionAttributesFactoryBean exampleRegionAttributes =new RegionAttributesFactoryBean();
exampleRegionAttributes.setCustomEntryIdleTimeout(AnnotationBasedExpiration.forIdleTimeout());
return exampleRegionAttributes;
}

Custom Expiration Annotation Support (XML)
Improvement
<bean id="ttlExpiration" class="org.springframework.data.gemfire.support.AnnotationBasedExpiration"
factory-method="forTimeToLive"/>
<gfe:partitioned-region id="Example" persistent="false">
<gfe:custom-entry-ttl ref="ttlExpiration"/>
</gfe:partitioned-region>

Data Snapshot Import/Export Support (1.7)
Improvement
<gfe:partitioned-region id=“Users” persistent=“true” … />
<gfe:partitioned-region id=“GuestUsers” persistent=“false” … />
<gfe-data:snapshot-service id=“cacheSnapshotService”>
<gfe-data:snapshot-import location=“/path/to/users.zip”/>
<gfe-data:snapshot-export location=“/path/to/snapshot/directory”/>
</gfe-data:snapshot-service/>
<gfe-data:snapshot-service id=“guestUsersSnapshotService” region-ref=“GuestUsers”>
<gfe-data:snapshot-import location=“/path/to/users.snapshot”>
<bean class=“example.GuestUsersSnapshotFilter”/>
</gfe-data:snapshot-import>
<gfe-data:snapshot-export location=“/path/to/activeUsers.snapshot”
filter-ref=“activeUsersFilter”/>
</gfe-data:snapshot-service>
http://docs.spring.io/spring-data-gemfire/docs/current/reference/html/#bootstrap:snapshot
SGF-408 – Provide support in the SDG XML namespace to load pre-defined data set…

Other Notables (1.8)
Improvements
• SGF-469 – Support for CDI
• SGF-504 – Support Repositories with multiple Spring Data modules on the CLASSPATH
• Follow the link for a list of all SDG 1.7 & 1.8 Bug Fixes, Improvements and New
Features.
– 96 in total

Improve Java-based Configuration Support
Next
@ClientCacheApplication(..)
class ExampleClientCacheApplication {
}
@PeerCacheApplication(..)
class ExamplePeerCacheApplication {
}
@CacheServerApplication(..)
class ExampleCacheServerApplication {
}
SGF-492 – Improve GemFire Java-based configuration support

Annotation Support for GemFire Callbacks, CQs, Indexes
Next
@Component
public class ExampleApplicationCallbacks {
@CacheListener(region = “Example”)
public void afterCreate(EntryEvent<K, V> entryEvent) {
..
}
@CacheListener(region = “AnotherExample”)
public void afterUpdate(EntryEvent<K, V> entryEvent) {
..
}
}
SGF-453 – Add annotation support for GemFire callbacks
SGF-110 – Add annotation support for CQ Listeners
SGF-106 – Add annotation support for creating Indexes

Other Notables…
Next
• SGF-301 – Refactor SDG Examples to use Spring Boot
– Move to Spring Data Examples project
• SGF-377 – Implement Reactive Streams API for GemFire’s CQs
• SGF-451 – Support Function context aware Repositories
• SGF-452 – Support Function Executions on Repositories
• Follow the link for a complete list of all open Spring Data GemFire JIRA tickets.
• Design/Development on spring-data-gemfire-extensions.
• But wait, there is more…

PR #6224 – Auto-configuration support for SDG Repositories
Spring Boot
interface CustomerRepository extends Repository<Customer, Long> {
}
@Region(“Customers”)
class Customer {
}
compile “org.springframework.boot:spring-boot-starter-data-gemfire:1.4.0.RC1”
@SpringBootApplication
@EnableGemfireRepositories
class ExampleSpringBootApplication {
}
No longer necessary…

PR #5445 – Spring Boot Starter Data Geode
Spring Boot
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-geode</artifactId>
<version>???</version>
</dependency>`

PR #366 – Spring Session Data Geode
Spring Session
<dependency>
<groupId>org.springframework.session</groupId>
<artifactId>spring-session-data-geode</artifactId>
<version>???</version>
</dependency>`

References
✧ Spring Data GemFire (SDG) project page
✧ SDG GitHub source code
✧ SDG Reference Guide
✧ SDG API
✧ SDG Wiki page
✧ SDG Examples
✧ SDG JIRA Issue Tracking
✧ SDG StackOverflow spring-data-gemfire tag
✧ spring-data Pivotal Slack Channel
✧ spring-data Gitter IM Channel

Unless otherwise indicated, these slides are © 2013-2016 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-
NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
Spring Data and In-Memory Data
Management in Action
August 1 – 4, 2016, Aria, Las Vegas, NV
By John Blum, Luke Shannon
@john_blum, @lukewshannon

Questions
Answers

Thank you

Spring Data (GemFire) Overview

Spring Data (GemFire) Overview

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