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<h2 title="Class RepairExecutor" class="title">Class RepairExecutor</h2>
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<li>java.lang.Object</li>
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<pre>public class <span class="strong">RepairExecutor</span>
extends java.lang.Object</pre>
<div class="block">A convenience class for repositories to run dynamic repairs in separate
threads. When a repository detects a consistency error during a user
operation, it should not perform the repair in the same thread.
<p>If the repair was initiated by an exception, but the original exception
is re-thrown, a transaction exit will rollback the repair! Executing the
repair in a separate thread allows it to wait until the transaction has
exited.
<p>Other kinds of inconsistencies might be detected during cursor
iteration. The repair will need to acquire write locks, but the open cursor
might not allow that, resulting in deadlock. Executing the repair in a
separate thread allows it to wait until the cursor has released locks.
<p>This class keeps thread-local references to single-threaded executors. In
other words, each user thread has at most one associated repair thread. Each
repair thread has a fixed size queue, and they exit when they are idle. If
the queue is full, newly added repair tasks are silently discarded.
<p>The following system properties are supported:
<ul>
<li>com.amazon.carbonado.spi.RepairExecutor.keepAliveSeconds (default is 10)
<li>com.amazon.carbonado.spi.RepairExecutor.queueSize (default is 10000)
</ul></div>
<dl><dt><span class="strong">Author:</span></dt>
<dd>Brian S O'Neill</dd></dl>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/spi/RepairExecutor.html#execute(java.lang.Runnable)">execute</a></strong>(java.lang.Runnable repair)</code> </td>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/amazon/carbonado/spi/RepairExecutor.html#waitForRepairsToFinish(long)">waitForRepairsToFinish</a></strong>(long timeoutMillis)</code>
<div class="block">Waits for repairs that were executed from the current thread to finish.</div>
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<pre>public static void execute(java.lang.Runnable repair)</pre>
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<pre>public static boolean waitForRepairsToFinish(long timeoutMillis)
throws java.lang.InterruptedException</pre>
<div class="block">Waits for repairs that were executed from the current thread to finish.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>true if all repairs are finished</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.InterruptedException</code></dd></dl>
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