本文整理匯總了Java中javax.servlet.http.HttpServletRequest.isAsyncStarted方法的典型用法代碼示例。如果您正苦於以下問題：Java HttpServletRequest.isAsyncStarted方法的具體用法？Java HttpServletRequest.isAsyncStarted怎麽用？Java HttpServletRequest.isAsyncStarted使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類javax.servlet.http.HttpServletRequest的用法示例。
在下文中一共展示了HttpServletRequest.isAsyncStarted方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: measure
import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
public void measure(HttpServletRequest request, HttpServletResponse response,
MeasurableJob runnable)
throws IOException, ServletException {
activeRequestsCounter.inc();
long startTime = System.nanoTime();
runnable.run();
if (request.isAsyncStarted()) {
request.getAsyncContext()
.addListener(new AsyncCompletionListener(startTime, request, response));
} else {
activeRequestsCounter.dec();
updateStatusMetric(startTime, request.getMethod(), response.getStatus());
}
}
示例2: service
import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
if (req.isAsyncStarted()) {
req.getAsyncContext().complete();
} else if (req.isAsyncSupported()) {
AsyncContext actx = req.startAsync();
actx.addListener(this);
resp.setContentType("text/plain");
clients.add(actx);
if (clientcount.incrementAndGet()==1) {
ticker.addTickListener(this);
}
} else {
new Exception("Async Not Supported").printStackTrace();
resp.sendError(400,"Async is not supported.");
}
}
示例3: doFilter
import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
if (!(servletRequest instanceof HttpServletRequest)) {
filterChain.doFilter(servletRequest, servletResponse);
return;
}
HttpServletRequest request = (HttpServletRequest) servletRequest;
if (!request.isAsyncStarted()) {
String context = getContext(request);
servletConcurrentRequest.labels(context).inc();
Histogram.Timer timer = servletLatency
.labels(context, request.getMethod())
.startTimer();
try {
filterChain.doFilter(servletRequest, servletResponse);
} finally {
timer.observeDuration();
servletConcurrentRequest.labels(context).dec();
servletStatusCodes.labels(context, Integer.toString(getStatus((HttpServletResponse) servletResponse))).inc();
}
} else {
filterChain.doFilter(servletRequest, servletResponse);
}
}
示例4: doGet
import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// Should not be async at this point
isAsyncWhenExpected = isAsyncWhenExpected && !req.isAsyncStarted();
final AsyncContext async = req.startAsync();
// Should be async at this point
isAsyncWhenExpected = isAsyncWhenExpected && req.isAsyncStarted();
async.start(new Runnable() {
@Override
public void run() {
// This should be delayed until the original container
// thread exists
async.dispatch("/ServletB");
}
});
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
throw new ServletException(e);
}
// Should be async at this point
isAsyncWhenExpected = isAsyncWhenExpected && req.isAsyncStarted();
}