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<title>ShutdownCapability (Carbonado 1.2.3 API)</title>
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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&nbsp;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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<pre>boolean&nbsp;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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<pre>void&nbsp;setAutoShutdownEnabled(boolean&nbsp;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&nbsp;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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