mapdb alternatives and similar libraries
Based on the "Database" category.
Alternatively, view MapDB alternatives based on common mentions on social networks and blogs.
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DBFlow
A blazing fast, powerful, and very simple ORM android database library that writes database code for you. -
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kotlin-gremlin-ogm
DISCONTINUED. Kotlin-gremlin-ogm is a type-safe object/graph mapping library for Gremlin enabled graph databases. -
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kotlin-jpa-specification-dsl
This library provides a fluent DSL for querying spring data JPA repositories using spring data Specifications (i.e. the JPA Criteria API), without boilerplate code or a generated metamodel. -
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zeko-sql-builder
Zeko SQL Builder is a high-performance lightweight SQL query library written for Kotlin language -
fluid-mongo
Kotlin coroutine support for MongoDB built on top of the official Reactive Streams Java Driver -
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jds
Jenesis Data Store: a dynamic, cross platform, high performance, ORM data-mapper. Designed to assist in rapid development and data mining -
potassium-nitrite
Potassium Nitrite is a kotlin extension of nitrite database, an open source nosql embedded document store with mongodb like api.
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README
MapDB: database engine
MapDB combines embedded database engine and Java collections. It is free under Apache 2 license. MapDB is flexible and can be used in many roles:
- Drop-in replacement for Maps, Lists, Queues and other collections.
- Off-heap collections not affected by Garbage Collector
- Multilevel cache with expiration and disk overflow.
- RDBMs replacement with transactions, MVCC, incremental backups etc…
- Local data processing and filtering. MapDB has utilities to process huge quantities of data in reasonable time.
Hello world
Maven snippet, VERSION is
<dependency>
<groupId>org.mapdb</groupId>
<artifactId>mapdb</artifactId>
<version>VERSION</version>
</dependency>
Hello world:
//import org.mapdb.*
DB db = DBMaker.memoryDB().make();
ConcurrentMap map = db.hashMap("map").make();
map.put("something", "here");
You can continue with quick start or refer to the documentation.
Support
More details.
Development
MapDB is written in Kotlin, you will need IntelliJ Idea.
You can use Gradle to build MapDB.
MapDB is extensively unit-tested.
By default, only tiny fraction of all tests are executed, so build finishes under 10 minutes.
Full test suite has over million test cases and runs for several hours/days.
To run full test suite, set -Dmdbtest=1 VM option.
Longer unit tests might require more memory. Use this to increase heap memory assigned to unit tests: -DtestArgLine="-Xmx3G"
By default unit tests are executed in 3 threads. Thread count is controlled by -DtestThreadCount=3 property
On machine with limited memory you can change fork mode so unit test consume less RAM, but run longer: -DtestReuseForks=false
*Note that all licence references and agreements mentioned in the mapdb README section above
are relevant to that project's source code only.