LuceneAppEngine (aka LAE)

This project provides a directory useful to build Lucene and Google App Engine powered applications.

Live Demo:

• See it in action (live demo site) or check the source code

Main Features:

• LAE 5.0.x compatible with Lucene 9.0.x
• Storage in google cloud firestore
• Supported operations: Add, Remove, Update, Index, Deindex, everything?! (I need you to check)
• Multiple indexes in the same application
• No more index size limit of 1MB
• Yes! It works, see it in action (live demo site) with source code
• Open your mind to new Google App Engine applications powered by Lucene
• For high performance applications use google app engine task queue

Deprecated features existing LAE < 5.x.x (no longer supported):

• LAE 4.5.x compatible with Lucene 8.6.x, 8.7.x, 8.8.x, 8.9.x, 8.10.x
• LAE 4.4.x compatible with Lucene 8.2.x, 8.3.x, 8.4.x, 8.5.x
• LAE 4.3.x compatible with Lucene 8.1.x
• LAE 4.2.x compatible with Lucene 7.3.x, 7.4.x, 7.5.x, 7.6.x, 7.7.x, 8.0.x
• LAE 4.1.x compatible with Lucene 7.1.x, 7.2.x
• LAE 4.0.x compatible with Lucene 7.0.x (needs Java 8, I will not say it anymore)
• LAE 3.4.x compatible with Lucene 5.5.x
• LAE 3.3.x compatible with Lucene 5.4.x
• LAE 3.2.x compatible with Lucene 5.3.x
• LAE 3.1.x compatible with Lucene 5.2.x, 5.1.x
• LAE 3.0.x compatible with Lucene 5.0.x
• LAE 2.2.x compatible with Lucene 4.10.x, 4.9.x (needs Java 7, I will not say it anymore)
• LAE 2.1.x compatible with Lucene 4.9.x (needs Java 7)
• LAE 2.0.x compatible with Lucene 4.8.x (needs Java 7)
• LAE 1.2.x compatible with Lucene 4.7.x
• LAE 1.1.x compatible with Lucene 4.6.x
• LAE 1.0.x compatible with Lucene 4.0.x, 4.1.x, 4.2.x, 4.3.x, 4.4.x, 4.5.x
• Objecitfy updated to 5.1.x
• Storage in Google App Engine
• Supported operations: Add, Remove, Update, Index, Deindex, everything?! (I need you to check)
• Multiple indexes in the same application
• No more (the wrong) RAMDirectory for Google App Engine powered applications
• No more index size limit of 1MB
• Yes! It works, see it in action (live demo site (no longer available)) with source code
• Open your mind to new Google App Engine applications powered by Lucene
• For high performance applications use google app engine task queue
• Memcache supported and integrated for all versions
• Distributed on maven central
• Easier to configure than the previous LAE version

Coming Soon:

• Performance improvements:
• asynch indexing
• buffer management

News

• 14-07-2024 Update LAE examples to google-cloud-firestore and a brand new demo project now powered by Micronaut and in Java 17
• 29-06-2024 Reduced dependencies no long require Objectify
• 02-11-2023 LAE 5 officially out (breaking changes) can be considered a new product.
• 30-06-2023 LAE 5 currently working fine in local environment
• 24-06-2023 The LAE example project will be rewritten using Micronaut framework
• 01-04-2023 Existing examples and wiki will be completely deprecated
• 11-03-2023 LAE 5 will use the new google cloud infrastructure and firestore
• 04-02-2023 LAE 5 objectify dependency is going to be removed
• 07-01-2023 LAE 5 breaking changes confirmed
• 16-07-2022 new LAE example will be released in the same repository
• 04-06-2022 LAE 5 confirmed support for Lucene 9.2
• 24-05-2022 LAE 5 setup is going to be simplified, confirmed support for Lucene 9.1
• 01-05-2022 the next LAE version is going to support AppEngine Standard Environment 17
• 13-03-2022 started development to LUCENE 9 and Java 11 and new AppEngine Standard Environment (this is not going to be ready soon)
• 30-01-2022 tested LAE 4.5.1 with LUCENE 8.11.2
• 21-12-2021 tested LAE 4.5.1 with LUCENE 8.11.1
• 27-11-2021 tested LAE 4.5.1 with LUCENE 8.11.0
• 04-10-2021 tested LAE 4.5.1 with LUCENE 8.10.0
• 08-08-2021 released LAE 4.5.1 with LUCENE 8.9.0
• 03-07-2021 tested LAE 4.5.0 with LUCENE 8.9.0
• 17-04-2021 tested LAE 4.5.0 with LUCENE 8.8.2
• 06-03-2021 tested LAE 4.5.0 with LUCENE 8.8.1 (8.8.0 test skipped)
• 14-11-2020 tested LAE 4.5.0 with LUCENE 8.7.0
• 17-10-2020 tested LAE 4.5.0 with LUCENE 8.6.3
• 12-09-2020 tested LAE 4.5.0 with LUCENE 8.6.2
• 30-08-2020 tested LAE 4.5.0 with LUCENE 8.6.1
• 26-07-2020 tested LAE 4.5.0 with LUCENE 8.6.0
• 05-07-2020 released LAE 4.5.0
• 07-06-2020 tested LAE 4.4.0 with LUCENE 8.5.2
• 18-04-2020 tested LAE 4.4.0 with LUCENE 8.5.1
• 21-03-2020 tested LAE 4.4.0 with LUCENE 8.5.0
• 19-01-2020 tested LAE 4.4.0 with LUCENE 8.4.1
• 12-01-2020 tested LAE 4.4.0 with LUCENE 8.4.0
• 08-12-2019 tested LAE 4.4.0 with LUCENE 8.3.1
• 07-11-2019 tested LAE 4.4.0 with LUCENE 8.3.0
• 10-08-2019 completed LAE 4.4.0 to support Lucene 8.2.x (not yet public release)
• 07-07-2019 tested LAE 4.3.0 with LUCENE 8.1.1
• 23-06-2019 released LAE 4.3.0 to support LUCENE 8.1.0
• 09-06-2019 tested LAE 4.2.0 with LUCENE 7.7.2
• 15-05-2019 tested LAE 4.2.0 with LUCENE 8.0.0
• 02-03-2019 tested LAE 4.2.0 with LUCENE 7.7.1
• 09-02-2019 tested LAE 4.2.0 with LUCENE 7.7.0
• 29-12-2018 tested LAE 4.2.0 with LUCENE 7.6.0
• 23-09-2018 tested LAE 4.2.0 with LUCENE 7.5.0
• 14-06-2018 released LAE 4.2.0 to support LUCENE 7.4.0
• 12-06-2018 released LAE 4.0.0 and 4.1.0 to maven central
• 19-05-2018 tested LAE 4.1.0 with LUCENE 7.3.1
• 14-04-2018 tested LAE 4.1.0 with LUCENE 7.3.0
• 21-01-2018 tested LAE 4.1.0 with LUCENE 7.2.1
• 21-01-2018 completed development of LAE 4.1.0 and LUCENE 7.2.0
• 13-11-2017 completed development of LAE 4.0.0 and LUCENE 7.1.0
• 28-06-2017 Today Google completed the long standing feature request for Servlet 3 and Java 8 and I'm happy to start to adapt Lucene 6 to the new beta standard environment Java 8 powered
• 23-07-2016 Unfortunately Lucene 6 need Java 8 and AppEngine standard environment only supports Java 7
• 23-04-2016 Released New LAE-3.4.0 compatible with Lucene 5.5.x
• 27-12-2015 Released New LAE-3.3.0 compatible with Lucene 5.4.x
• 01-11-2015 Released New LAE-3.2.0 compatible with Lucene 5.3.x
• 27-09-2015 Released New LAE-3.1.1 compatible with Lucene 5.2.x, 5.1.x
• 13-09-2015 Released New LAE-3.1.0 (broken version: can only read from index)
• 05-07-2015 Wiki officially moved to GitHub
• 05-07-2015 Released New LAE-3.0.0 compatible with Lucene 5.0.0 (this is a major release with breaking changes)
• 17-09-2014 Released New LAE-2.2.0 compatible with Lucene 4.10.x and Lucene 4.9.x
• 10-08-2014 Released New LAE-2.1.0 compatible with Lucene 4.9.x
• 23-07-2014 Released New LAE-2.0.1 bugfix and performance improvements release, all other versions are now deprecated
• 20-05-2014 Released New LAE-2.0.0 compatible with Lucene 4.8.x
• 05-04-2014 Released New LAE-1.2.0 compatible with Lucene 4.7.x
• 05-04-2014 Released New LAE-1.1.0 compatible only with Lucene 4.6.x
• 03-04-2014 Migration of source code completed on GitHub
• 03-04-2014 Released New LAE-1.0.3 on Maven central
• 03-04-2014 Discontinued Objecfity 3 support, if you need it refer to the old site
• 03-04-2014 Discontinued Lucene 3.6.x support, if you need it refer to the old site

Usage and Config

Check the wiki page. Or start from the live demo source

Development

If you like this project, you can choose a kind of donation here or as much as you want. Thanks for your support!