swarm-demo | Swarm demo for AI class | Artificial Intelligence library
kandi X-RAY | swarm-demo Summary
kandi X-RAY | swarm-demo Summary
Copyright 2012 Bart Massey. This program is licensed under the "MIT License". Please see the file COPYING in the source distribution of this software for license terms. This is a simple Java 2D graphical physics simulation built around "bugs", little motile thingies with a tail that points away from their facing. Build it with just "javac *.java". You can invoke it with "java Swarm 10" to get a swarm of 10 bugs. If you are going to use more than about 100 bugs, you should probably reduce their size substantially or the simulator will never place them all and they won't be able to move very well. The idea is to subclass the AI class of the bugs to provide an AI for a particular Agent in the simulation. The AI gets sensor data and can exert control over the Agent's motion. The default AI just tries to drive the bug to the center of the screen. More interesting AI's are possible. It is also relatively straightforward to add new Agents or even passive Things to the simulation, and to give the new stuff useful behavior. In short, this is just a framework, not a final answer.
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Top functions reviewed by kandi - BETA
- Run the animation thread
- Checks to see if this Thing has a collision
- Returns true if this region has a collision with another
- Clamp a value to a range
- Runs all the agents in the simulation
- Move the state of the player
- Checks if two agents collide with another
- Shuffles an array of agents
- Controls the changes to the specified agents
- Subtracts the difference between two angles
- Normalize an angle
- Distance between two views
- Start the demo
- Setup and show up the GUI
- Starts the animation thread
- Draw the component
- Paint the bug
- Returns the next signed double
- Returns a random floating - point number
swarm-demo Key Features
swarm-demo Examples and Code Snippets
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Trending Discussions on swarm-demo
QUESTION
I am trying to build the debezium-swarm-demo
app in the debezium-examples
github repository
The build does not finish and gives me Execution default of goal org.wildfly.swarm:wildfly-swarm-plugin:2018.5.0:package failed: An API incompatibility was encountered while executing org.wildfly.swarm:wildfly-swarm-plugin:2018.5.0:package: java.lang.AbstractMethodError: null
The output generated by maven using the -e argument is as follows:
...ANSWER
Answered 2019-Sep-10 at 14:29You're probably using Maven 3.6, which isn't supported in this ancient version of WildFly Swarm.
You can:
- use Maven 3.5
- or you can update to the latest version of Thorntail (yes, WildFly Swarm got renamed).
To update automatically, you can run:
mvn io.thorntail:thorntail-maven-plugin:2.3.0.Final:migrate-from-wildfly-swarm
QUESTION
I used the cloud formation template provided by Docker for AWS setup & prerequisites to set up a docker swarm.
I created a REST service using Tibco BusinessWorks Container Edition and deployed it into the swarm by creating a docker service.
docker service create --name aka-swarm-demo --publish 8087:8085 akamatibco/docker_swarm_demo:part1
The service starts successfully but the CloudWatch logs show the below exception:
I have tried passing the JVM environment variable in the Dockerfile as :
ENV JAVA_OPTS= "-Dbw.rest.docApi.port=7778"
but it doesn't help.
The interesting fact is at the end the log says:
com.tibco.thor.frwk.Application - TIBCO-THOR-FRWK-300006: Started BW Application [SFDemo:1.0]
So I tried to access the application using CURL -
curl -X GET --header 'Accept: application/json' 'URL of AWS load balancer : port which I exposed while creating the service/resource URI'
But I am getting the below message:
The REST service works fine when I do docker run.
I have checked the Security Groups of the manager and load-balancer. The load-balancer has inbound open to all traffic and for the manager I opened HTTP connections.
I am not able to figure out if anything I have missed. Can anyone please help ?
...ANSWER
Answered 2017-Nov-07 at 09:09As mentioned in Deploy services to swarm, if you read along, you will find the following:
PUBLISH A SERVICE’S PORTS DIRECTLY ON THE SWARM NODE
Using the routing mesh may not be the right choice for your application if you need to make routing decisions based on application state or you need total control of the process for routing requests to your service’s tasks. To publish a service’s port directly on the node where it is running, use the mode=host option to the --publish flag.
Note: If you publish a service’s ports directly on the swarm node using mode=host and also set published= this creates an implicit limitation that you can only run one task for that service on a given swarm node. In addition, if you use mode=host and you do not use the --mode=global flag on docker service create, it will be difficult to know which nodes are running the service in order to route work to them.
Publishing ports for services works different than for regular containers. The problem was; the image does not expose the port after running service create --publish and hence the swarm routing layer cannot reach the REST service. To resolve this use mode = host.
So I used the below command to create a service:
docker service create --name tuesday --publish mode=host,target=8085,published=8087 akamatibco/docker_swarm_demo:part1
Which eventually removed the exception.
Also make sure to configure the firewall settings of your load balancer so as to allow communications through desired protocols in order to access your applications deployed inside the container.
For my case it was HTTP protocol, enabling port 8087 on load balancer which served the purpose.
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No vulnerabilities reported
Install swarm-demo
You can use swarm-demo 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 swarm-demo 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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