Description
ObjectBox is an an easy to use, object-oriented lightweight database and a full alternative to SQLite.
It's best explained with some demo code:
Playlist playlist = new Playlist("My Favorties");
playlist.songs.add(new Song("Lalala"));
playlist.songs.add(new Song("Lololo"));
box.put(playlist);
ObjectBox embedded database alternatives and similar libraries
Based on the "Database" category.
Alternatively, view ObjectBox Java (Kotlin, Android) alternatives based on common mentions on social networks and blogs.
-
MapDB
Embedded database engine that provides concurrent collections backed on disk or in off-heap memory. -
orientdb
OrientDB is the first Multi-Model DBMS with Document & Graph engine. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing, Reactive Queries and has a small memory footprint. OrientDB is licensed with Apache 2 license and the development is driven by OrientDB LTD and a worldwide Open Source community. -
Crate
Distributed data store that implements data synchronization, sharding, scaling, and replication. In addition, it provides a SQL-based syntax to execute queries across a cluster. -
requery
A modern, lightweight but powerful object mapping and SQL generator. Easily map to or create databases, perform queries and updates from any platform that uses Java. -
Apache Phoenix
High performance relational database layer over HBase for low latency applications. -
sql2o
Thin JDBC wrapper that simplyfies database access and provides simple mapping of ResultSets to POJOs. -
Xodus
Highly concurrent transactional schema-less and ACID-compliant embedded database. -
JetBrains Xodus
JetBrains Xodus is a Java transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub. -
Jinq
Typesafe database queries via symbolic execution of Java 8 Lambdas (on top of JPA or jOOQ). -
MariaDB4j
Launcher for MariaDB which requires no installation or external dependencies. -
Eventsourcing for Java
Event sourcing database for Java -
Liquibase
Database-independent library for tracking, managing and applying database schema changes. -
Fluent Query
Create Queries using only POJO classes.
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README
ObjectBox Java (Kotlin, Android)
ObjectBox is a superfast object-oriented database with strong relation support. ObjectBox is embedded into your Android, Linux, macOS, or Windows app.
Latest version: 2.8.1 (2020/11/10)
Demo code using ObjectBox:
Playlist playlist = new Playlist("My Favorites");
playlist.songs.add(new Song("Lalala"));
playlist.songs.add(new Song("Lololo"));
box.put(playlist);
Other languages/bindings
ObjectBox supports multiple platforms and languages. Besides JVM based languages like Java and Kotlin, ObjectBox also offers:
- ObjectBox Swift: build fast mobile apps for iOS (and macOS)
- ObjectBox Dart/Flutter: cross-platform for mobile and desktop apps (beta)
- ObjectBox Go: great for data-driven tools and small server applications
- ObjectBox C and C++: native speed with zero copy access to FlatBuffer objects
Gradle setup
Add this to your root build.gradle (project level):
buildscript {
ext.objectboxVersion = '2.8.1'
dependencies {
classpath "io.objectbox:objectbox-gradle-plugin:$objectboxVersion"
}
}
And this to our app's build.gradle (module level):
apply plugin: 'io.objectbox' // after applying Android plugin
First steps
Create data object class @Entity
, for example "Playlist".
@Entity public class Playlist { ... }
Now build the project to let ObjectBox generate the class MyObjectBox
for you.
Prepare the BoxStore object once for your app, e.g. in onCreate
in your Application class:
boxStore = MyObjectBox.builder().androidContext(this).build();
Then get a Box
class for the Playlist entity class:
Box<Playlist> box = boxStore.boxFor(Playlist.class);
The Box
object gives you access to all major functions, like put
, get
, remove
, and query
.
For details please check the docs.
Links
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License
Copyright 2017-2020 ObjectBox Ltd. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*Note that all licence references and agreements mentioned in the ObjectBox embedded database README section above
are relevant to that project's source code only.