MasterMember.java

import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IExecutorService;

import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

public class MasterMember {

    public static void main(String[] args) throws Exception {
        int n = 10;
        if (args.length != 0) {
            n = Integer.parseInt(args[0]);
        }

        HazelcastInstance hz = Hazelcast.newHazelcastInstance();
        IExecutorService executor = hz.getExecutorService("executor");

        Future<Long> future = executor.submit(new FibonacciCallable(n));
        try {
            long result = future.get(10, TimeUnit.SECONDS);
            System.out.println("Result: " + result);
        } catch (TimeoutException e) {
            System.err.println("A timeout occurred!");
            future.cancel(true);
        }

        Hazelcast.shutdownAll();
    }
}