HotswapAgent
Spring Loaded
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| HotswapAgent | Spring Loaded | |
|---|---|---|
| - | 2 | |
| 2,203 | 2,710 | |
| 1.0% | 0.1% | |
| 8.8 | 0.0 | |
| 20 days ago | about 2 years ago | |
| Java | Java | |
| GNU General Public License v3.0 only | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
HotswapAgent
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Tracking mentions began in Dec 2020.
Spring Loaded
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What blocked you from migrating beyond Java 8?
Hot reloading with spring-loaded doesn't support anything beyond JDK 8. New spring-devtools is much slower.
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Speed boost achievement unlocked on Docker Desktop 4.6 for Mac
When using Java, with say, jib and skaffold, when a change is detected the image is rebuilt with some fairly smart cacheing being done to minimize the build time.
In more interesting setups, the class files aren't in the image but rather mapped in - much the same way one would with dynamic and then a hot reload - https://docs.spring.io/spring-boot/docs/1.3.8.RELEASE/refere...
> Spring Loaded goes a little further in that it can reload class definitions with changes in the method signatures. With some customization it can force an ApplicationContext to refresh itself (but there is no general mechanism to ensure that would be safe for a running application anyway, so it would only ever be a development time trick probably).
And this way, the container can remain the same with the class files being changed underneath it.
https://github.com/spring-projects/spring-loaded
What are some alternatives?
DCEVM - Dynamic Code Evolution VM for Java 7/8
JHipster - JHipster, much like Spring initializr, is a generator to create a boilerplate backend application, but also with an integrated front end implementation in React, Vue or Angular. In their own words, it "Is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures."
Lombok - Very spicy additions to the Java programming language.
AspectJ
ProxyBuilder
Immutables - Annotation processor to create immutable objects and builders. Feels like Guava's immutable collections but for regular value objects. JSON, Jackson, Gson, JAX-RS integrations included
JavaParser - Java 1-17 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.
JavaSymbolSolver
Tale - 🦄 Best beautiful java blog, worth a try