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Spring Data: Bridging Multiple Databases

Reactive Couchbase

Explore how to integrate reactive programming with Spring Data Couchbase to perform asynchronous and nonblocking CRUD operations, transactions, and queries. Understand how to use ReactiveCouchbaseRepository and ReactiveCouchbaseTemplate for efficient data handling and develop highly scalable applications that handle large workloads with ease.

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Spring Data Couchbase provides support for reactive programming with the Couchbase NoSQL database. It allows using nonblocking, asynchronous operations and reactive data streams to handle concurrent requests efficiently, resulting in highly scalable and responsive applications that can handle large workloads and achieve high throughput.

Quick Setup

First, we add the spring-boot-starter-data-couchbase-reactive Spring Boot starter data dependency to the build.gradle file to enable reactive programming support for Spring Data Couchbase.

TypeScript 4.9.5
plugins {
    id 'java'
    id 'org.springframework.boot' version '2.7.5'
    id 'io.spring.dependency-management' version '1.1.0'
}
group = 'com.smartdiscover'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '11'
repositories {
    mavenCentral()
}
dependencies {
    implementation 'org.springframework.boot:spring-boot-starter-data-couchbase'
    implementation 'org.springframework.boot:spring-boot-starter-data-couchbase-reactive'
    implementation 'org.projectlombok:lombok:1.18.26'
    annotationProcessor 'org.projectlombok:lombok'
}

Reactive Couchbase repository

The ReactiveCouchbaseRepository interface is provided by Spring Data Couchbase for reactive programming, extending the ReactiveSortingRepository interface.

Java
package org.springframework.data.couchbase.repository;
public interface ReactiveCouchbaseRepository<T, ID> extends ReactiveSortingRepository<T, ID> {
	ReactiveCouchbaseOperations getOperations();
	CouchbaseEntityInformation<T, String> getEntityInformation();
}

Here’s an explanation of the code:

  • Line 3: We ...