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Spring Boot Google App Engine

Spring Boot support for Google App Engine Datastore via Objectify and the full-text search API.

Note: This project was Moooooooo🐄ved to https://github.com/3wks/spring-boot-gae, but they since shut down and the repo was removed. That being said, there's not really any reason to use this project any more, there are better alternatives, and this would only work on the legacy Java8 version of AppEngine.

I'm just keeping it around 'cause it was fun to build and might be a good reference in the future.

Latest Stable

Maven

<dependency>
  <groupId>com.github.n15g</groupId>
  <artifactId>spring-boot-gae</artifactId>
  <version>1.0.0</version>
</dependency>

Gradle

compile 'com.github.n15g:spring-boot-gae:1.0.0'

Latest Unstable

Maven

<dependency>
  <groupId>com.github.n15g</groupId>
  <artifactId>spring-boot-gae</artifactId>
  <version>1.1.0-beta-1</version>
</dependency>

Gradle

compile 'com.github.n15g:spring-boot-gae:1.1.0-beta-1'

Trello

https://trello.com/b/lgwbSi6o/spring-boot-gae

Requirements

  • Java 8+
  • Appengine Standard Java 8+
  • Gradle 4+ (if you don't want to use the wrapper)

This library has been designed to work with the new Java8 Appengine Standard Environment. It will not work when deployed to the Java 7 standard environment.

Getting Started

SearchRepository

Repositories extendingSearchRepository will automatically index saved entities in the SearchService using the entity's Key#toWebSafeKey() as the @SearchId.

Google Search API Limitations

There are some limitations of the the google Search API that impact what can and cannot be indexed or queried by the SearchService:

  • Collections are not supported on NUMBER or DATE fields.
  • Date/Time fields are stored and queried as DATE only, the time component is truncated.
  • Substring matching is not supported.
  • GT, GTE, LT, LTE are not supported for STRING/HTML queries.

Not all of the limitations of the Search API are enforced by the framework, if in doubt see the Search API documentation for specifics.

Misc

Release to Central

gradle -Prelease uploadArchives closeAndReleaseRepository

Installing the Library

To install the library to your local maven repository, run the following:

./gradlew install