package org.zstack.test.core.thread;
import org.junit.Before;
import org.junit.Test;
import org.zstack.core.componentloader.ComponentLoader;
import org.zstack.core.thread.SyncTask;
import org.zstack.core.thread.ThreadFacade;
import org.zstack.test.BeanConstructor;
import org.zstack.utils.Utils;
import org.zstack.utils.logging.CLogger;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
public class TestThreadFacadeSyncReturnValueCancel {
private static final CLogger logger = Utils.getLogger(TestThreadFacadeSyncReturnValueCancel.class);
ComponentLoader loader;
ThreadFacade thdf;
int threadNum = 5;
class Tester implements SyncTask<Integer> {
int index;
Tester(int index) {
this.index = index;
}
@Override
public Integer call() throws Exception {
Thread.sleep(500);
return index;
}
@Override
public String getName() {
return "Tester";
}
@Override
public String getSyncSignature() {
return "sync";
}
@Override
public int getSyncLevel() {
return 2;
}
}
@Before
public void setUp() throws Exception {
BeanConstructor con = new BeanConstructor();
loader = con.build();
thdf = loader.getComponent(ThreadFacade.class);
}
@Test(expected = CancellationException.class)
public void test() throws InterruptedException, ExecutionException {
Future<Integer> ret = null;
for (int i = 0; i < threadNum; i++) {
Tester worker = new Tester(i);
Future<Integer> f = thdf.syncSubmit(worker);
if (i == threadNum - 1) {
ret = f;
f.cancel(true);
}
}
logger.info("Return value: " + ret.get());
}
}