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package pl.edu.mimuw.cloudatlas.agent;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.server.UnicastRemoteObject;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import pl.edu.mimuw.cloudatlas.agent.message.AgentMessage;
import pl.edu.mimuw.cloudatlas.agent.modules.Module;
import pl.edu.mimuw.cloudatlas.api.Api;
import pl.edu.mimuw.cloudatlas.interpreter.Main;
import pl.edu.mimuw.cloudatlas.model.ZMI;
public class Agent {
public static void runRegistry() {
try {
ZMI root = Main.createTestHierarchy2();
ApiImplementation api = new ApiImplementation(root);
Api apiStub =
(Api) UnicastRemoteObject.exportObject(api, 0);
Registry registry = LocateRegistry.getRegistry();
registry.rebind("Api", apiStub);
System.out.println("Agent: api bound");
} catch (Exception e) {
System.err.println("Agent registry initialization exception:");
e.printStackTrace();
}
}
public static HashMap<AgentMessage.AgentModule, Module> initializeModules() {
HashMap<AgentMessage.AgentModule, Module> modules = new HashMap<AgentMessage.AgentModule, Module>();
// TODO add modules as we implement them
return modules;
}
public static HashMap<AgentMessage.AgentModule, Executor> initializeExecutors(
HashMap<AgentMessage.AgentModule, Module> modules) {
HashMap<AgentMessage.AgentModule, Executor> executors = new HashMap<AgentMessage.AgentModule, Executor>();
Iterator it = modules.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<AgentMessage.AgentModule, Module> moduleEntry =
(Map.Entry<AgentMessage.AgentModule, Module>) it.next();
Module module = moduleEntry.getValue();
Executor executor = new Executor(module);
executors.put(moduleEntry.getKey(), executor);
}
return executors;
}
public static ArrayList<Thread> initializeExecutorThreads(HashMap<AgentMessage.AgentModule, Executor> executors) {
ArrayList<Thread> executorThreads = new ArrayList<Thread>();
Iterator it = executors.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<AgentMessage.AgentModule, Executor> executorEntry =
(Map.Entry<AgentMessage.AgentModule, Executor>) it.next();
Thread thread = new Thread(executorEntry.getValue());
thread.setDaemon(true);
System.out.println("Initializing executor " + executorEntry.getKey());
thread.start();
executorThreads.add(thread);
}
return executorThreads;
}
public static void closeExecutors(ArrayList<Thread> executorThreads) {
for (Thread executorThread : executorThreads) {
executorThread.interrupt();
}
}
public static void runModulesAsThreads() {
HashMap<AgentMessage.AgentModule, Module> modules = initializeModules();
HashMap<AgentMessage.AgentModule, Executor> executors = initializeExecutors(modules);
ArrayList<Thread> executorThreads = initializeExecutorThreads(executors);
Thread eventBusThread = new Thread(new EventBus(executors));
System.out.println("Initializing event bus");
eventBusThread.start();
System.out.println("Closing executors");
closeExecutors(executorThreads);
}
public static void main(String[] args) {
runRegistry();
runModulesAsThreads();
}
}
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