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| org.apache.cxf.annotations</FONT> |
| <BR> |
| Annotation Type UseAsyncMethod</H2> |
| <HR> |
| <DL> |
| <DT><PRE><FONT SIZE="-1"><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/annotation/Documented.html" title="class or interface in java.lang.annotation">@Documented</A> |
| <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/annotation/Retention.html" title="class or interface in java.lang.annotation">@Retention</A>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/annotation/Retention.html#value()" title="class or interface in java.lang.annotation">value</A>=<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/annotation/RetentionPolicy.html#RUNTIME" title="class or interface in java.lang.annotation">RUNTIME</A>) |
| <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/annotation/Target.html" title="class or interface in java.lang.annotation">@Target</A>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/annotation/Target.html#value()" title="class or interface in java.lang.annotation">value</A>=<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/annotation/ElementType.html#METHOD" title="class or interface in java.lang.annotation">METHOD</A>) |
| </FONT>public @interface <B>UseAsyncMethod</B></DL> |
| </PRE> |
| |
| <P> |
| Instructs the runtime to dispatch using the async method |
| on service if continuations are available. This only applies |
| to the JAX-WS frontend at this time. |
| |
| Instead of calling the "X methodName(Y, Z...) method, it will |
| call the "Future<?> methodName(Y, Z, ... AsyncHandler<MethodResponse>)" |
| method passing in an AsyncHandler that you will need to call when |
| the response is ready. An example would be: |
| |
| <pre> |
| public Future<?> greetMeAsync(final String requestType, |
| final AsyncHandler<GreetMeResponse> asyncHandler) { |
| final ServerAsyncResponse<GreetMeResponse> r = new ServerAsyncResponse<GreetMeResponse>(); |
| new Thread() { |
| public void run() { |
| //do some work on a backgound thread to generate the response... |
| GreetMeResponse resp = new GreetMeResponse(); |
| resp.setResponseType("Hello " + requestType); |
| r.set(resp); |
| asyncHandler.handleResponse(r); |
| } |
| } .start(); |
| return r; |
| } |
| </pre> |
| |
| The use of the org.apache.cxf.jaxws.ServerAsyncResponse class for the response |
| as shown above can simplify things and is recommended. |
| <P> |
| |
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| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cxf/annotations/UseAsyncMethod.html#always()">always</A></B></CODE> |
| |
| <BR> |
| By default, if continuations are not available, |
| it will use the non-async method.</TD> |
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| <A NAME="always()"><!-- --></A><H3> |
| always</H3> |
| <PRE> |
| public abstract boolean <B>always</B></PRE> |
| <DL> |
| <DD>By default, if continuations are not available, |
| it will use the non-async method. If you ALWAYS |
| want the async method called, set this to true. However, |
| that can cause threads to block. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD></DL> |
| <DL> |
| <DT><B>Default:</B><DD>false</DD> |
| </DL> |
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