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Java Client for RedisBloom probabilistic module
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src support TOPK command for Redis Cluster with Rebloom (#10) Jul 8, 2019
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README.md

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JRedisBloom

A Java Client Library for RedisBloom

Overview

This project contains a Java library abstracting the API of the RedisBloom Redis module, that implements a high performance bloom filter with an easy-to-use API

See http://redisbloom.io for installation instructions of the module.

Official Releases

  <dependencies>
    <dependency>
      <groupId>com.redislabs</groupId>
      <artifactId>jrebloom</artifactId>
      <version>1.2.0</version>
    </dependency>
  </dependencies>

Snapshots

  <repositories>
    <repository>
      <id>snapshots-repo</id>
      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
    </repository>
  </repositories>

and

  <dependencies>
    <dependency>
      <groupId>com.redislabs</groupId>
      <artifactId>jrebloom</artifactId>
      <version>2.0.0-SNAPSHOT</version>
    </dependency>
  </dependencies>

Usage example

Initializing the client:

import io.rebloom.client.Client

Client client = new Client("localhost", 6378);

Adding items to a bloom filter (created using default settings):

client.add("simpleBloom", "Mark");
// Does "Mark" now exist?
client.exists("simpleBloom", "Mark"); // true
client.exists("simpleBloom", "Farnsworth"); // False

Use multi-methods to add/check multiple items at once:

client.addMulti("simpleBloom", "foo", "bar", "baz", "bat", "bag");

// Check if they exist:
boolean[] rv = client.existsMulti("simpleBloom", "foo", "bar", "baz", "bat", "mark", "nonexist");

Reserve a customized bloom filter:

client.createFilter("specialBloom", 10000, 0.0001);
client.add("specialBloom", "foo");

Use cluster client to call redis cluster Initializing the cluster client:

Set<HostAndPort> jedisClusterNodes = new HashSet<>();
jedisClusterNodes.add(new HostAndPort("localhost", 7000));
ClusterClient cclient = new ClusterClient(jedisClusterNodes);

Adding items to a bloom filter (created using default settings):

cclient.add("simpleBloom", "Mark");
// Does "Mark" now exist?
cclient.exists("simpleBloom", "Mark"); // true
cclient.exists("simpleBloom", "Farnsworth"); // False

all method of ClusterClient is same to Client.

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