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<h2 title="Interface InvocationCallback" class="title">Interface InvocationCallback&lt;RESPONSE&gt;</h2>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>RESPONSE</code> - response type. It can be either a general-purpose
<a href="../../../../javax/ws/rs/core/Response.html" title="class in javax.ws.rs.core"><code>Response</code></a> or the anticipated response entity
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<pre>public interface <span class="typeNameLabel">InvocationCallback&lt;RESPONSE&gt;</span></pre>
<div class="block">Callback that can be implemented to receive the asynchronous processing
events from the invocation processing.</div>
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<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.0</dd>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/ws/rs/client/InvocationCallback.html#completed-RESPONSE-">completed</a></span>(<a href="../../../../javax/ws/rs/client/InvocationCallback.html" title="type parameter in InvocationCallback">RESPONSE</a>&nbsp;response)</code>
<div class="block">Called when the invocation was successfully completed.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/ws/rs/client/InvocationCallback.html#failed-java.lang.Throwable-">failed</a></span>(java.lang.Throwable&nbsp;throwable)</code>
<div class="block">Called when the invocation has failed for any reason.</div>
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<h4>completed</h4>
<pre>void&nbsp;completed(<a href="../../../../javax/ws/rs/client/InvocationCallback.html" title="type parameter in InvocationCallback">RESPONSE</a>&nbsp;response)</pre>
<div class="block">Called when the invocation was successfully completed. Note that this does
not necessarily mean the response has bean fully read, which depends on the
parameterized invocation callback response type.
<p>
Once this invocation callback method returns, the underlying <a href="../../../../javax/ws/rs/core/Response.html" title="class in javax.ws.rs.core"><code>Response</code></a>
instance will be automatically closed by the runtime.
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>response</code> - response data.</dd>
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<h4>failed</h4>
<pre>void&nbsp;failed(java.lang.Throwable&nbsp;throwable)</pre>
<div class="block">Called when the invocation has failed for any reason.
<p>
Note that the provided <code>Throwable</code> may be a <a href="../../../../javax/ws/rs/ProcessingException.html" title="class in javax.ws.rs"><code>ProcessingException</code></a> in case the
invocation processing failure has been caused by a client-side runtime component error.
The <code>Throwable</code> may also be a <a href="../../../../javax/ws/rs/WebApplicationException.html" title="class in javax.ws.rs"><code>WebApplicationException</code></a> or one
of its subclasses in case the response status code is not
<a href="../../../../javax/ws/rs/core/Response.Status.Family.html#SUCCESSFUL"><code>successful</code></a> and the generic
callback type is not <a href="../../../../javax/ws/rs/core/Response.html" title="class in javax.ws.rs.core"><code>Response</code></a>.
In case a processing of a properly received response fails, the wrapped processing exception
will be of <a href="../../../../javax/ws/rs/client/ResponseProcessingException.html" title="class in javax.ws.rs.client"><code>ResponseProcessingException</code></a> type and will contain the <a href="../../../../javax/ws/rs/core/Response.html" title="class in javax.ws.rs.core"><code>Response</code></a>
instance whose processing has failed.
A <code>CancellationException</code> would be indicate that the invocation
has been cancelled.
An <code>InterruptedException</code> would indicate that the thread executing the invocation has
been interrupted.
</p>
<p>
Once this invocation callback method returns, the underlying <a href="../../../../javax/ws/rs/core/Response.html" title="class in javax.ws.rs.core"><code>Response</code></a>
instance will be automatically closed by the runtime.
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>throwable</code> - contains failure details.</dd>
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