我想模拟某种“服务器”。我有一个名为Server的类扩展了Thread。我有一个从1到1,000,000的循环,如果它取决于有多少服务器,我想在每次循环时启动一个新线程,以便服务器接收“请求”执行它并且将服务器标记为繁忙,然后停止此线程标记服务器为不忙,并等待新的“请求”。Java:如何启动同一对象的另一个线程?
目前我得到java.lang.IllegalThreadStateException
从我读的是因为我试图启动相同的线程。我怎样才能解决这个问题并实现我想要的?
Server.java
public class Server extends Thread
{
boolean isBusy = false;
int executionTime;
int serverId;
List<Request> requests = new ArrayList<Request>();
Request currentRequest;
public Server(int requiredServerId,int requiredExecutionTime)
{
this.serverId = requiredServerId;
this.executionTime = requiredExecutionTime;
}
@Override
public void run()
{
isBusy = true;
for(int time = 1; time <= executionTime; time++)
{
if(time == executionTime)
{
isBusy = false;
currentRequest.setFinish();
break;
}
}
}
public void fetch(Request request)
{
requests.add(request);
currentRequest = request;
}
}
Main.java
// Create Servers
List<Server> servers = new ArrayList<Server>();
for(int i = 0; i < numberOfServers; i++)
{
servers.add(new Server(i, executionTime));
}
// Create Queue
List<Integer> queue = new ArrayList<Integer>();
for(int time = 1; time <= runningTime; time++)
{
if(time % arrivalTime == 0)
{
if(queue.size() <= queueSize)
{
queue.add(time);
}
else
{
rejectedRequests += 1;
}
}
if(!queue.isEmpty())
{
for(Server server : servers)
{
if(server.isBusy == false)
{
Request request = new Request(queue.get(0));
queue.remove(0);
server.fetch(request);
server.start();
}
break;
}
}
}