Christoph Strobl 34d1759b4e DATAREDIS-304 - Add support for SSCAN command.
SSCAN command is natively supported by jedis and can be emulated for lettuce.
JRedis and SRP will throw UnsupportedOperationException.

sScan is available on RedisConneciton and RedisSetOperations returning basically a Cursor that allows iteration over the defined values for a given key.

Currently the jedis driver does not directly expose the binary version of sscan which leads to invalid results when using a non String compatible converter along with the RedisTemplate. We’ll change this as soon as a newer version of jedis is available.

Along the way loading behavior of ScanCursor has been fixed, preventing it from indicating next values available when there effectively are no more.

Orignal pull request: #76.
2014-05-28 14:34:18 +02:00
2011-07-15 18:05:28 +03:00
2014-02-12 10:25:50 +01:00
2012-06-21 22:05:13 +03:00

Spring Data Redis

The primary goal of the Spring Data project is to make it easier to build Spring-powered applications that use new data access technologies such as non-relational databases, map-reduce frameworks, and cloud based data services. This modules provides integration with the [Redis] (http://redis.io/) store.

Docs

You can find out more details from the user documentation or by browsing the javadocs.

Examples

For examples on using the Spring Data Key Value, see the dedicated project, also available on GitHub

Artifacts

  • Maven:

<dependency>
  <groupId>org.springframework.data</groupId>
  <artifactId>spring-data-redis</artifactId>
  <version>${version}</version>
</dependency> 

<!-- used for nightly builds -->
<repository>
  <id>spring-maven-snapshot</id>
  <snapshots><enabled>true</enabled></snapshots>
  <name>Springframework Maven SNAPSHOT Repository</name>
  <url>http://repo.spring.io/libs-release</url>
</repository> 

<!-- used for milestone/rc releases -->
<repository>
  <id>spring-maven-milestone</id>
  <name>Springframework Maven Milestone Repository</name>
  <url>http://repo.spring.io/libs-milestone</url>
</repository> 
  • Gradle:
repositories {
   maven { url "http://repo.spring.io/libs-milestone" }
   maven { url "http://repo.spring.io/libs-snapshot" }
}

// used for nightly builds
dependencies {
   compile "org.springframework.data:spring-data-redis:${version}"
}

Latest GA release is 1.2.1.RELEASE
Latest nightly is 1.3.0.BUILD-SNAPSHOT

Usage (for the impatient)

  • Configure the Redis connector to use (here jedis):
<beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:p="http://www.springframework.org/schema/p"
  xsi:schemaLocation="
  http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
  
  <bean id="jedisFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory"/>
  
  <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate"
      p:connection-factory="jedisFactory"/>
</beans>
  • Use RedisTemplate to interact with the Redis store:
String random = template.randomKey();
template.set(random, new Person("John", "Smith"));
  • Use Redis 'views' to execute specific operations based on the underlying Redis type:
ListOperations<String, Person> listOps = template.listOps();
listOps.rightPush(random, new Person("Jane", "Smith"));
List<Person> peopleOnSecondFloor = listOps.range("users:floor:2", 0, -1);

Building

Spring Data Redis uses Gradle as its build system. To build the system simply run:

gradlew

from the project root folder. This will compile the sources, run the tests and create the artifacts.

To generate IDE-specific files, use

gradlew eclipse

or

gradlew idea 

depending on your editor.

Contributing

Here are some ways for you to get involved in the community:

  • Get involved with the Spring community on the Spring Community Forums. Please help out on the forum by responding to questions and joining the debate.
  • Create JIRA tickets for bugs and new features and comment and vote on the ones that you are interested in.
  • Watch for upcoming articles on Spring by subscribing to spring.io.

Github is for social coding: if you want to write code, we encourage contributions through pull requests from forks of this repository. If you want to contribute code this way, read the Spring Framework [contributor guidelines] (https://github.com/spring-projects/spring-framework/blob/master/CONTRIBUTING.md).

Staying in touch

Follow the project team (@thomasdarimont, @stroblchristoph) on Twitter. In-depth articles can be found at the Spring team blog, and releases are announced via our news feed.

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