private static final synchronized void initSingletonInstance() {
if (null == singletonInstance) {
// singletonInstance = SingletonInstance.createFileLock(SINGLE_INSTANCE_LOCK_POLL,
// SINGLE_INSTANCE_LOCK_FILE);
singletonInstance =
SingletonInstance.createServerSocket(
SINGLE_INSTANCE_LOCK_POLL, SINGLE_INSTANCE_LOCK_PORT);
if (!singletonInstance.tryLock(SINGLE_INSTANCE_LOCK_TO)) {
throw new RuntimeException(
"Fatal: Could not lock single instance: " + singletonInstance.getName());
}
}
}
@AfterClass
public static void oneTimeTearDown() {
// one-time cleanup code
System.gc(); // force cleanup
singletonInstance.unlock();
}