learning-akka | Code From Learning Akka
kandi X-RAY | learning-akka Summary
kandi X-RAY | learning-akka Summary
Code From Learning Akka
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Top functions reviewed by kandi - BETA
- Build extra actor .
- Handles ping request .
- The main method
- Handles a get request .
- Returns a string representation of the set properties .
- Extracts text from the given HTML .
- Connects to the cluster .
- Add a join to chatroom
- Compares two actors .
- Set a value .
learning-akka Key Features
learning-akka Examples and Code Snippets
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Trending Discussions on learning-akka
QUESTION
I'm new to akka and try to learn akka following the video tutorials here.
The author has explained the code but didn't explain anything about configuration at all.
My actor code is
...ANSWER
Answered 2018-Jan-14 at 08:06The problem in your configuration is that there is a typo (repeated two times) snaphot-store
instead of snapshot-store
. And you don't need to set a customized value for akka.persistence.snaphot-store.local.class
.
Here's the correct configuration:
QUESTION
I just started to learn scala and currently learning about Akka through this Learning Akka course
I'm confused about the code style, the author has created a trait inside a object.
...ANSWER
Answered 2017-Jul-31 at 21:27You will often see this with Actors. It is good practice to define the messages that an Actor responds to in its companion object, which happens here.
The sealed trait part isn't really necessary. You just often see this in Scala with case classes/objects. Also, the fact that it is sealed means that you won't get a warning that your match is not exhaustive when you pattern match on instances of it.
QUESTION
I am following an akka tutorial demonstrating cluster sharding. In the cluster sharding example, the author starts up a shared journal and makes the following comment:
...ANSWER
Answered 2017-Jul-10 at 19:38- They shouldn't, at least not in production code, see the warning note here: http://doc.akka.io/docs/akka/current/java/persistence.html#shared-leveldb-journal
A shared LevelDB instance is a single point of failure and should therefore only be used for testing purposes.
Both
Yes, if you wanted failover to work. If you didn't want failover and all you had was a single shard, then there would be no point using sharding at all.
Can't tell without seeing some of your code.
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Install learning-akka
You can use learning-akka like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the learning-akka component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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