/**
* DOCUMENT ME!
*
* @return DOCUMENT ME!
*/
public boolean hasNext() {
while (!hasElement && (co.getState() != Coroutine.State.FINISHED)) {
co.run();
}
return hasElement;
}
/**
* Produces the next value to be returned by the {@link #next} method.
*
* @param element The value that should be returned by {@link #next}
* @throws SuspendExecution de.matthiasmann.coroutines.SuspendExecution This method will suspend
* the execution
* @throws IllegalStateException DOCUMENT ME!
*/
protected void produce(E element) throws SuspendExecution {
if (hasElement) {
throw new IllegalStateException("hasElement = true");
}
this.element = element;
hasElement = true;
Coroutine.yield();
}
public static NginxResponse handleRequest(final NginxRequest req) {
try {
if (coroutineEnabled) {
CoroutineRunner coroutineRunner = new CoroutineRunner(req);
Coroutine coroutine = new Coroutine(coroutineRunner);
coroutine.resume();
if (coroutine.getState() == Coroutine.State.FINISHED) {
return coroutineRunner.response;
} else {
return new NginxJavaResponse(req, Constants.ASYNC_TAG);
}
} else {
return req.handler().process(req);
}
} catch (Throwable e) {
log.error("server unhandled exception!", e);
return buildUnhandledExceptionResponse(req, e);
}
}
@Test
public void testInherit() {
final C dut = new C();
Coroutine c =
new Coroutine(
new Runnable() {
public void run() throws SuspendExecution {
dut.myMethod();
}
});
for (int i = 0; i < 3; i++) {
c.run();
}
assertEquals(5, dut.result.size());
assertEquals("a", dut.result.get(0));
assertEquals("o1", dut.result.get(1));
assertEquals("o2", dut.result.get(2));
assertEquals("b", dut.result.get(3));
assertEquals("b", dut.result.get(4));
}
@SuppressWarnings("rawtypes")
@Override
public void run() throws SuspendExecution {
try {
response = request.handler().process(request);
} catch (Throwable e) {
response = buildUnhandledExceptionResponse(request, e);
log.error("unhandled exception in coroutine", e);
}
if (Coroutine.getActiveCoroutine().getResumeCounter() != 1) {
request.handler().completeAsyncResponse(request, response);
}
}
public void otherMethod() throws SuspendExecution {
result.add("o1");
Coroutine.yield();
result.add("o2");
}
public static void yield() throws SuspendExecution {
Coroutine.yield();
}
