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| <h2 title="Interface AsyncInvocationInterceptor" class="title">Interface AsyncInvocationInterceptor</h2> |
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| <pre>public interface <span class="typeNameLabel">AsyncInvocationInterceptor</span></pre> |
| <div class="block">Implementations of this interface can intercept asynchronous method |
| invocations. The MP Rest Client implementation runtime will obtain instances |
| of this interface by invoking the <code>newInterceptor</code> method of all |
| registered <code>AsyncInvocationInterceptorFactory</code> providers. |
| |
| The MP Rest Client implementation runtime will invoke the <code>pre</code> |
| method on the main thread prior to returning execution back to the calling |
| method of the client interface. The runtime will invoke the |
| <code>prepareContext</code> method on the secondary thread before the client |
| request is sent. The <code>prepareContext</code> method should always be |
| invoked before the <code>applyContext</code> method is invoked, but due to |
| the nature of multithreading, it is possible that <code>applyContext</code> |
| method may be invoked before the <code>prepareContext</code> method has |
| completed. Care should be taken when implementing this interface to avoid |
| race conditions and deadlocks. |
| |
| Note that the order in which instances of the |
| <code>AsyncInvocationInterceptor</code> are invoked are determined by the |
| priority of the <code>AsyncInvocationInterceptorFactory</code> provider.</div> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/eclipse/microprofile/rest/client/ext/AsyncInvocationInterceptor.html#applyContext--">applyContext</a></span>()</code> |
| <div class="block">This method will be invoked by the MP Rest Client runtime on the "async" |
| thread (i.e.</div> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/eclipse/microprofile/rest/client/ext/AsyncInvocationInterceptor.html#prepareContext--">prepareContext</a></span>()</code> |
| <div class="block">This method will be invoked by the MP Rest Client runtime on the "main" |
| thread (i.e.</div> |
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| <h4>prepareContext</h4> |
| <pre>void prepareContext()</pre> |
| <div class="block">This method will be invoked by the MP Rest Client runtime on the "main" |
| thread (i.e. the thread calling the async Rest Client interface method) |
| prior to returning control to the calling method.</div> |
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| <h4>applyContext</h4> |
| <pre>void applyContext()</pre> |
| <div class="block">This method will be invoked by the MP Rest Client runtime on the "async" |
| thread (i.e. the thread used to actually invoke the remote service and |
| wait for the response) prior to sending the request.</div> |
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