Examples of javax.ws.rs.container.AsyncResponse.cancel()

Class javax.ws.rs.container.AsyncResponse

Examples of javax.ws.rs.container.AsyncResponse.cancel()

javax.ws.rs.container.AsyncResponse.cancel()
Cancel the suspended request processing.
When a request processing is cancelled using this method, the JAX-RS implementation MUST indicate to the client that the request processing has been cancelled by sending back a {@link javax.ws.rs.core.Response.Status#SERVICE_UNAVAILABLE HTTP 503 (Service unavailable)}error response.

Invoking a {@code cancel(...)} method multiple times to cancel request processing has the sameeffect as canceling the request processing only once. Invoking a {@code cancel(...)} method onan asynchronous response instance that has already been resumed has no effect and the method call is ignored while returning {@code true}.
@return {@code true} if the request processing has been cancelled, returns {@code false} in casethe request processing is not {@link #isSuspended() suspended} and could not be cancelledand is not {@link #isCancelled() cancelled} already. @see #cancel(int) @see #cancel(java.util.Date)

                asyncResponse.setTimeoutHandler(new TimeoutHandler() {


                    @Override
                    public void handleTimeout(final AsyncResponse asyncResponse) {
                        asyncResponse.resume("timeout1=" + timeout1 + "_timeout2=" + timeout2 + "_handled");
                        asyncResponse.cancel();
                    }
                });
            }
        });
    }

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   @GET
   @Path("cancelvoid")
   public String cancel(@QueryParam("stage") String stage) {
      AsyncResponse response = takeAsyncResponse(stage);
      boolean ret = response.cancel();
      // Invoking a cancel(...) method multiple times to cancel request
      // processing has the same effect as canceling the request processing
      // only once.
      ret &= response.cancel();
      addResponse(response, stage);

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      AsyncResponse response = takeAsyncResponse(stage);
      boolean ret = response.cancel();
      // Invoking a cancel(...) method multiple times to cancel request
      // processing has the same effect as canceling the request processing
      // only once.
      ret &= response.cancel();
      addResponse(response, stage);
      return ret ? TRUE : FALSE;
   }


   @POST

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   @Path("cancelretry")
   public String cancelretry(@QueryParam("stage") String stage,
                             String sRetryAfter) {
      AsyncResponse response = takeAsyncResponse(stage);
      int retryAfter = Integer.parseInt(sRetryAfter);
      boolean b = response.cancel(retryAfter);
      // Invoking a cancel(...) method multiple times to cancel request
      // processing has the same effect as canceling the request processing
      // only once.
      b &= response.cancel(retryAfter * 2);
      addResponse(response, stage);

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      int retryAfter = Integer.parseInt(sRetryAfter);
      boolean b = response.cancel(retryAfter);
      // Invoking a cancel(...) method multiple times to cancel request
      // processing has the same effect as canceling the request processing
      // only once.
      b &= response.cancel(retryAfter * 2);
      addResponse(response, stage);
      return b ? TRUE : FALSE;
   }


   @POST

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   @POST
   @Path("canceldate")
   public String cancelDate(@QueryParam("stage") String stage, String sRetryAfter) {
      AsyncResponse response = takeAsyncResponse(stage);
      long retryAfter = Long.parseLong(sRetryAfter);
      boolean b = response.cancel(new Date(retryAfter));
      b &= response.cancel(new Date(retryAfter + 20000));
      addResponse(response, stage);
      return b ? TRUE : FALSE;
   }

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   @Path("canceldate")
   public String cancelDate(@QueryParam("stage") String stage, String sRetryAfter) {
      AsyncResponse response = takeAsyncResponse(stage);
      long retryAfter = Long.parseLong(sRetryAfter);
      boolean b = response.cancel(new Date(retryAfter));
      b &= response.cancel(new Date(retryAfter + 20000));
      addResponse(response, stage);
      return b ? TRUE : FALSE;
   }


   @GET

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   @GET
   @Path("cancelvoid")
   public String cancel(@QueryParam("stage") String stage)
   {
      AsyncResponse response = takeAsyncResponse(stage);
      boolean ret = response.cancel();
      System.out.println("*** response.cancel() 1 " + ret);
      // Invoking a cancel(...) method multiple times to cancel request
      // processing has the same effect as canceling the request processing
      // only once.
      ret &= response.cancel();

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      boolean ret = response.cancel();
      System.out.println("*** response.cancel() 1 " + ret);
      // Invoking a cancel(...) method multiple times to cancel request
      // processing has the same effect as canceling the request processing
      // only once.
      ret &= response.cancel();
      System.out.println("*** response.cancel() 2 " + ret);
      addResponse(response, stage);
      return ret ? TRUE : FALSE;
   }

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   public String cancelretry(@QueryParam("stage") String stage,
                             String sRetryAfter)
   {
      AsyncResponse response = takeAsyncResponse(stage);
      int retryAfter = Integer.parseInt(sRetryAfter);
      boolean b = response.cancel(retryAfter);
      // Invoking a cancel(...) method multiple times to cancel request
      // processing has the same effect as canceling the request processing
      // only once.
      b &= response.cancel(retryAfter * 2);
      addResponse(response, stage);

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