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Questions tagged [spring-data-gemfire]

Spring Data GemFire focuses on integrating Spring Framework's powerful, non-invasive programming model and concepts with Pivotal GemFire, simplifying configuration, development and providing high-level abstractions.

Pivotal GemFire is a real-time, in-memory distributed data management platform providing data-intensive applications built for a cloud architecture with enterprise-class features, such as redundancy and high-availability with linear scale-out.

To learn more about Pivotal GemFire, see here.

Spring Data GemFire focuses on integrating Spring Framework's powerful, non-invasive programming model and concepts with Pivotal GemFire to simplify the configuration and development of GemFire-based applications as well as to provide high-level abstractions for many of GemFire's core components.

To get up-to-date information on Spring Data GemFire, visit the project page, on spring.io or see the project's status in JIRA. You can also checkout the source on GitHub and even fork the project in order to submit Pull Requests (PR) if you have have an idea for a new feature or how to make it better. We encourage the community to get involved.

Finally, there is no better place to stay informed or to be involved than by following us in the Spring IO Blog. Every week, Josh Long publishes an fantastic article on "This Week in Spring" loaded with all things related to Spring.

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Query possibilities: GemFire vs. Redis

It seems Redis can provide same functionality as achieved thru Gemfire OQL queries, but with much of code change using spring/-boot/Java. Any insights would be highly appreciated! Storing Data - Gemfire can store Parent Object and use OQL capability…
Divs
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Repository infrastructure throws StackOverflowError in SDG 1.9.11.BUILD-SNAPSHOT when using Query Post Processing

When using the new QueryPostProcessor feature and switching to SDG 1.9.11.BUILD-SNAPSHOT from 1.9.10.RELEASE, a StackOverflowError is thrown during Spring context initialization... Caused by: org.springframework.beans.factory.BeanCreationException:…
Jebuselwyn Martin
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Can I use Spring Data JPA @Entity and Spring Data GemFire @Region together on the same POJO?

When I try to use the same POJO for Spring Data JPA integration with Spring Data GemFire, the repository always accesses the database with the POJO. But I want the repository to access data from GemFire, even though I added annotations…
Luis
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OQL to Query a List in GemFire

I am trying to form a OQL in GemFire which would query a particular attribute within the list. I have huge number of Employee objects in GemFire with employeeId as the key. On querying by ID we receive the following object. We convert the object…
Arijit Dasgupta
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Spring Data GemFire and 'Unexpected Token' in manual OQL query

I am firing a query using Spring Data GemFire and getting a ``Syntax error in query: unexpected token: timestamp. I am not able to figure out the issue. @Query("SELECT * FROM /Trade T WHERE T.stock.symbol =$1 ORDER BY T.timestamp desc LIMIT 15") …
Chandresh Mishra
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How to handle data from an external, independent data source with Pivotal GemFire?

I am new to GemFire. Currently we are using an MySQL DB and would like to move to GemFire. How to move the existing data stored in MySQL over to GemFire? I.e., is there any way to to import existing MySQL data into GemFire?
Krish
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Initialize a GemFire cache by loading a Map of data from Spring Boot application

I am trying to develop a cache application which will load itself on server start and client application will be able to read the cache data through REST service calls. Hence, I have to initialize the GemFire cache at the deployment of the…
Swagatan
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GemFire PDX Serialization not working with OQL in Pulse or with REST APIs?

We are using Spring as client to work with GemFire. Our data is getting saved to Regions of our running GemFire instances. We are able to get data via Spring when we make get request. Have done all configuration for Auto PDX serialization, However…
virendrao
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Advantage over using spring-cache over Spring Data Repositories for Pivotal GemFire

SDG (Spring Data GemFire) is a library or framework used by both Spring Cache (GemfireCacheManager) and Spring Data (GemfireTemplate) for GemFire. Is there any noted deficiency/advantage in using one over the other? The basic need of using the…
Divs
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Programmatic Control over entry-time-to-live in Gemfire Region with ClientRegionShortcut.PROXY

Is it possible to have a ClientCache with ClientRegionShortcut.PROXY along with programmatic control over entry TTL settings (i.e. entries present in the server)? I see the entry expiration ttl settings working fine with…
Divs
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GemFire model which can insert data to GemFire via microservice

I am trying to find implementation of GemFire and I am in search of model which can insert data to GemFire as well. I am getting PDX serialization error using CacheWriter.
Bobby S Bezawada
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Spring Data GemFire unique constraint

I am working with Spring Data GemFire and using it like this: Repository: @Region("Token") public interface TokenRepository extends GemfireRepository {} Entity: public class Token implements Serializable { @Id private UUID…
Domo
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GemFire entry Time-To-Live is not getting set using spring-cache

Following is the code snippet which is successful in persisting the data in a remote GemFire cluster and successfully keeping local spring-cache updated. However, the entries are not getting DESTROY-ed as expected when I tried using…
Divs
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Gemfire Composite key (pojo) as gemfire key

I have following type of data into my database and want to store into…
vaquar khan
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Gemfire - Crud Repository - findBy Implementation

We are using single Gemfire cluster for all non production environment and geting regionname dynamically using @Resources. To use we need to override all the CRUD operation. I got struck implementation the logic for findByFirstNameAndLastName(String…
Vigneshwaran
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