35 lines
964 B
Java
35 lines
964 B
Java
|
//: concurrency/EvenChecker.java
|
|||
|
|
// <20>2015 MindView LLC: see Copyright.txt
|
|||
|
|
import java.util.concurrent.*;
|
|||
|
|
|
|||
|
|
public class EvenChecker implements Runnable {
|
|||
|
|
private IntGenerator generator;
|
|||
|
|
private final int id;
|
|||
|
|
public EvenChecker(IntGenerator g, int ident) {
|
|||
|
|
generator = g;
|
|||
|
|
id = ident;
|
|||
|
|
}
|
|||
|
|
@Override
|
|||
|
|
public void run() {
|
|||
|
|
while(!generator.isCanceled()) {
|
|||
|
|
int val = generator.next();
|
|||
|
|
if(val % 2 != 0) {
|
|||
|
|
System.out.println(val + " not even!");
|
|||
|
|
generator.cancel(); // Cancels all EvenCheckers
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// Test any type of IntGenerator:
|
|||
|
|
public static void test(IntGenerator gp, int count) {
|
|||
|
|
System.out.println("Press Control-C to exit");
|
|||
|
|
ExecutorService exec = Executors.newCachedThreadPool();
|
|||
|
|
for(int i = 0; i < count; i++)
|
|||
|
|
exec.execute(new EvenChecker(gp, i));
|
|||
|
|
exec.shutdown();
|
|||
|
|
}
|
|||
|
|
// Default value for count:
|
|||
|
|
public static void test(IntGenerator gp) {
|
|||
|
|
test(gp, 10);
|
|||
|
|
}
|
|||
|
|
} ///:~
|