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<div class="subTitle">org.apache.bookkeeper.client</div>
<h2 title="Class PendingReadLacOp" class="title">Class PendingReadLacOp</h2>
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<li>org.apache.bookkeeper.client.PendingReadLacOp</li>
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<dt>All Implemented Interfaces:</dt>
<dd>org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.ReadLacCallback</dd>
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<pre>class <span class="typeNameLabel">PendingReadLacOp</span>
extends <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.ReadLacCallback</pre>
<div class="block">This represents a pending ReadLac operation.
LAC is stored in two places on bookies.
1. WriteLac operation sends Explicit LAC and is stored in memory on each bookie.
2. Each AddEntry operation piggy-backs LAC which is stored on bookie's disk.
This operation returns both of those entries and we pick the latest LAC out of
available answers.
This is an optional protocol operations to facilitate tailing readers
to be up to date with the writer. This is best effort to get latest LAC
from bookies, and doesn't affect the correctness of the protocol.</div>
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<td class="colFirst"><code>(package private) static interface&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.LacCallback.html" title="interface in org.apache.bookkeeper.client">PendingReadLacOp.LacCallback</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>(package private) <a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.LacCallback.html" title="interface in org.apache.bookkeeper.client">PendingReadLacOp.LacCallback</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.html#cb">cb</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>(package private) boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.html#completed">completed</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) <a href="../../../../org/apache/bookkeeper/client/DistributionSchedule.QuorumCoverageSet.html" title="interface in org.apache.bookkeeper.client">DistributionSchedule.QuorumCoverageSet</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.html#coverageSet">coverageSet</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>(package private) int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.html#lastSeenError">lastSeenError</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>(package private) <a href="../../../../org/apache/bookkeeper/client/LedgerHandle.html" title="class in org.apache.bookkeeper.client">LedgerHandle</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.html#lh">lh</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>(package private) static org.slf4j.Logger</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.html#LOG">LOG</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>(package private) long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.html#maxLac">maxLac</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>(package private) int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.html#numResponsesPending">numResponsesPending</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.html#PendingReadLacOp-org.apache.bookkeeper.client.LedgerHandle-org.apache.bookkeeper.client.PendingReadLacOp.LacCallback-">PendingReadLacOp</a></span>(<a href="../../../../org/apache/bookkeeper/client/LedgerHandle.html" title="class in org.apache.bookkeeper.client">LedgerHandle</a>&nbsp;lh,
<a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.LacCallback.html" title="interface in org.apache.bookkeeper.client">PendingReadLacOp.LacCallback</a>&nbsp;cb)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.html#initiate--">initiate</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.html#readLacComplete-int-long-io.netty.buffer.ByteBuf-io.netty.buffer.ByteBuf-java.lang.Object-">readLacComplete</a></span>(int&nbsp;rc,
long&nbsp;ledgerId,
io.netty.buffer.ByteBuf&nbsp;lacBuffer,
io.netty.buffer.ByteBuf&nbsp;lastEntryBuffer,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;ctx)</code>&nbsp;</td>
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<code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<pre>static final&nbsp;org.slf4j.Logger LOG</pre>
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<h4>lh</h4>
<pre><a href="../../../../org/apache/bookkeeper/client/LedgerHandle.html" title="class in org.apache.bookkeeper.client">LedgerHandle</a> lh</pre>
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<h4>cb</h4>
<pre><a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.LacCallback.html" title="interface in org.apache.bookkeeper.client">PendingReadLacOp.LacCallback</a> cb</pre>
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<a name="numResponsesPending">
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<h4>numResponsesPending</h4>
<pre>int numResponsesPending</pre>
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<a name="completed">
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<h4>completed</h4>
<pre>volatile&nbsp;boolean completed</pre>
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<pre>int lastSeenError</pre>
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<h4>coverageSet</h4>
<pre>final&nbsp;<a href="../../../../org/apache/bookkeeper/client/DistributionSchedule.QuorumCoverageSet.html" title="interface in org.apache.bookkeeper.client">DistributionSchedule.QuorumCoverageSet</a> coverageSet</pre>
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<pre>long maxLac</pre>
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<h4>PendingReadLacOp</h4>
<pre>PendingReadLacOp(<a href="../../../../org/apache/bookkeeper/client/LedgerHandle.html" title="class in org.apache.bookkeeper.client">LedgerHandle</a>&nbsp;lh,
<a href="../../../../org/apache/bookkeeper/client/PendingReadLacOp.LacCallback.html" title="interface in org.apache.bookkeeper.client">PendingReadLacOp.LacCallback</a>&nbsp;cb)</pre>
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<h4>initiate</h4>
<pre>public&nbsp;void&nbsp;initiate()</pre>
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<h4>readLacComplete</h4>
<pre>public&nbsp;void&nbsp;readLacComplete(int&nbsp;rc,
long&nbsp;ledgerId,
io.netty.buffer.ByteBuf&nbsp;lacBuffer,
io.netty.buffer.ByteBuf&nbsp;lastEntryBuffer,
<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;ctx)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>readLacComplete</code>&nbsp;in interface&nbsp;<code>org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.ReadLacCallback</code></dd>
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