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The environment isn't ready to start (yet). INITIALIZING this state is used when the Environment is being launched.So for example, do not call SwingUtilities.invokeAndWait (or Frame.dispose() which does the same).Īn environment can be in several states (defined in ), we will discuss them briefly below
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Realize that calls to AWT may only be handled AFTER your code has returned control to EIS.Terminate your environment through EIS, by removing the entities and setting the environment's run mode to KILLED.Here are a few of guidelines to keep your environment compatible : Therefore your environment should play nice when it comes to using these shared resources. At least, there will be some extra java threads in the JVM where your environment runs, implementing details of EIS and managing the connection to the agent platform. from EIS to Agent: to report agents about new percepts.ĭepending on the agent system, your environment may share the Java Virtual Machine (JVM) and the graphics system (Java AWT thread) with other components.from EIS to the Agent Platform: to report about new or killed agents, and state changes.from the Agent Platform to EIS: to enable manipulating the environment state.from agents to EIS: to enable an Agent to act and perceive in the environment.In a client-server or distributed environment, such as Blocksworld For Teams, the connection between the Adapter and your environment may be using network connections such as RMI. The Adapter implements the EIS environment interface and glues it to your environment.īoth the EIS management and the EIS entity functionality are defined in the EnvironmentInterfaceStandard.java file. The agent platform - GOAL for instance - also communicates with EIS but at a higher level, eg to initialize or reset a complete environment. Agents control EIS entities, to get their percepts and execute actions. The picture below shows a high level view how the EIS environment interface glues together your environment to a GOAL system. Information received from the Environment can be returned to the agent through the Entity again, and the agent can use the information to make a new decision. An agent can control an Entity in the Environment. They can respond to changes in the Environment, interact with other agents, pursue goals over time, etc. Agent: an agent is a computer program that's able to make decisions on what to do.An example would be a (controllable) character in a game or the gripper in the blocksworld (see eishub/blocksworld). The object can (normally) 'sense' what is happening (changes to the Environment) and it can perform actions in that Environment (in order to change it). Entity: an controllable Entity is an 'object' that can be controlled in the Environment.Everything that can be observed/controlled by something can be classified as being an Environment. Environment: examples of Environments are games, rooms, etc.In order to create your own interface, it's important to understand the basics of what an Environment Interface is and does. Creating your own Environment Interface Introduction to EIS