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<h2 title="Interface ShutdownCapability" class="title">Interface ShutdownCapability</h2>
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<pre>public interface <span class="strong">ShutdownCapability</span>
extends <a href="../../../../com/amazon/carbonado/capability/Capability.html" title="interface in com.amazon.carbonado.capability">Capability</a></pre>
<div class="block">Capability for repositories that require special attention with the Java
virtual machine exits.</div>
<dl><dt><span class="strong">Author:</span></dt>
<dd>Brian S O'Neill</dd></dl>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/capability/ShutdownCapability.html#isAutoShutdownEnabled()">isAutoShutdownEnabled</a></strong>()</code>
<div class="block">Returns true if repository has a shutdown hook registered to
automatically call shutdown when the virtual machine exits.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/capability/ShutdownCapability.html#setAutoShutdownEnabled(boolean)">setAutoShutdownEnabled</a></strong>(boolean enabled)</code>
<div class="block">Request to enable or disable the automatic shutdown hook.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/capability/ShutdownCapability.html#shutdown()">shutdown</a></strong>()</code>
<div class="block">Similar to calling close on a repository, except should only be called
when the virtual machine is in the process of shutting down.</div>
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<h4>isAutoShutdownEnabled</h4>
<pre>boolean isAutoShutdownEnabled()</pre>
<div class="block">Returns true if repository has a shutdown hook registered to
automatically call shutdown when the virtual machine exits.</div>
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<h4>setAutoShutdownEnabled</h4>
<pre>void setAutoShutdownEnabled(boolean enabled)</pre>
<div class="block">Request to enable or disable the automatic shutdown hook. Repository may
ignore this request if shutdown is in progress.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.SecurityException</code> - if caller does not have permission</dd></dl>
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<h4>shutdown</h4>
<pre>void shutdown()</pre>
<div class="block">Similar to calling close on a repository, except should only be called
when the virtual machine is in the process of shutting down. Calling
close may cause spurious exceptions to be thrown by other threads which
may be interacting with the repository. Shutdown tries to reduce these
exceptions from being thrown by effectively <i>suspending</i> any
threads which continue to interact with this repository. <b>For this
reason, this method should only ever be called during a virtual machine
shutdown.</b>
<p>Repositories may choose to implement this method by simply calling
close. There is no guarantee that shutdown will reduce exceptions, and
it might not suspend any threads. Also, repositories that require proper
shutdown should automatically register runtime hooks, and so this method
usually doesn't need to be called manually.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.SecurityException</code> - if caller does not have permission</dd></dl>
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