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+<li> +<ul class="inheritance"> +<li>org.apache.hadoop.hbase.ipc.AsyncRpcChannelImpl</li> +</ul> +</li> +</ul> +<div class="description"> +<ul class="blockList"> +<li class="blockList"> +<dl> +<dt>All Implemented Interfaces:</dt> +<dd><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannel.html" title="interface in org.apache.hadoop.hbase.ipc">AsyncRpcChannel</a></dd> +</dl> +<hr> +<br> +<pre><a href="../../../../../org/apache/hadoop/hbase/classification/InterfaceAudience.Private.html" title="annotation in org.apache.hadoop.hbase.classification">@InterfaceAudience.Private</a> +public class <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.83">AsyncRpcChannelImpl</a> +extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true"; title="class or interface in java.lang">Object</a> +implements <a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannel.html" title="interface in org.apache.hadoop.hbase.ipc">AsyncRpcChannel</a></pre> +<div class="block">Netty RPC channel</div> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- ======== NESTED CLASS SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="nested_class_summary"> +<!-- --> +</a> +<h3>Nested Class Summary</h3> +<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Nested Class Summary table, listing nested classes, and an explanation"> +<caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Class and Description</th> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private static class </code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.CallWriteListener.html" title="class in org.apache.hadoop.hbase.ipc">AsyncRpcChannelImpl.CallWriteListener</a></strong></code> +<div class="block">Listens to call writes and fails if write failed</div> +</td> +</tr> +</table> +</li> +</ul> +<!-- =========== FIELD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="field_summary"> +<!-- --> +</a> +<h3>Field Summary</h3> +<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> +<caption><span>Fields</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Field and Description</th> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>(package private) <a href="http://docs.oracle.com/javase/7/docs/api/java/net/InetSocketAddress.html?is-external=true"; title="class or interface in java.net">InetSocketAddress</a></code></td> +<td class="colLast"><code><strong><a 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href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true"; title="class or interface in java.lang">String</a> serviceName, + <a href="http://docs.oracle.com/javase/7/docs/api/java/net/InetSocketAddress.html?is-external=true"; title="class or interface in java.net">InetSocketAddress</a> address)</code> +<div class="block">Constructor for netty RPC channel</div> +</td> +</tr> +</table> +</li> +</ul> +<!-- ========== METHOD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="method_summary"> +<!-- --> +</a> +<h3>Method Summary</h3> +<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> +<caption><span>Methods</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Method and Description</th> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private 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href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#callMethod(com.google.protobuf.Descriptors.MethodDescriptor,%20com.google.protobuf.Message,%20org.apache.hadoop.hbase.CellScanner,%20R,%20org.apache.hadoop.hbase.ipc.MessageConverter,%20org.apache.hadoop.hbase.ipc.IOExceptionConverter,%20long,%20int,%20org.apache.hadoop.hbase.client.MetricsConnection.CallStats)">callMethod</a></strong>(com.google.protobuf.Descriptors.MethodDescriptor method, + com.google.protobuf.Message request, + <a href="../../../../../org/apache/hadoop/hbase/CellScanner.html" title="interface in org.apache.hadoop.hbase">CellScanner</a> cellScanner, + R responsePrototype, + <a href="../../../../../org/apache/hadoop/hbase/ipc/MessageConverter.html" title="interface in org.apache.hadoop.hbase.ipc">MessageConverter</a><R,O> messageConverter, + <a href="../../../../../org/apache/hadoop/hbase/ipc/IOExceptionConverter.html" title="interface in org.apache.hadoop.hbase.ipc">IOExceptionConverter</a> exceptionConverter, + long rpcTimeout, + int priority, + <a href="../../../../../org/apache/hadoop/hbase/client/MetricsConnection.CallStats.html" title="class in org.apache.hadoop.hbase.client">MetricsConnection.CallStats</a> callStats)</code> +<div class="block">Calls method on channel</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private void</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#cleanupCalls()">cleanupCalls</a></strong>()</code> +<div class="block">Clean up calls.</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#close(java.lang.Throwable)">close</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true"; title="class or interface in java.lang">Throwable</a> e)</code> +<div class="block">Close connection</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private void</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#close0(java.lang.Throwable)">close0</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true"; title="class or interface in java.lang">Throwable</a> e)</code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>private io.netty.channel.ChannelFuture</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#connect(io.netty.bootstrap.Bootstrap)">connect</a></strong>(io.netty.bootstrap.Bootstrap bootstrap)</code> +<div class="block">Connect to channel</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private void</code></td> +<td class="colLast"><code><strong><a 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href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannel.html#getEventExecutor()">getEventExecutor</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannel.html" title="interface in org.apache.hadoop.hbase.ipc">AsyncRpcChannel</a></code></dd> +<dt><span class="strong">Returns:</span></dt><dd>EventLoop</dd></dl> +</li> +</ul> +<a name="removePendingCall(int)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>removePendingCall</h4> +<pre><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncCall.html" title="class in org.apache.hadoop.hbase.ipc">AsyncCall</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.331">removePendingCall</a>(int id)</pre> +</li> +</ul> +<a name="writeChannelHeader(io.netty.channel.Channel)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>writeChannelHeader</h4> +<pre>private io.netty.channel.ChannelFuture <a 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href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.376">writeRequest</a>(<a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncCall.html" title="class in org.apache.hadoop.hbase.ipc">AsyncCall</a> call)</pre> +<div class="block">Write request to channel</div> +<dl><dt><span class="strong">Parameters:</span></dt><dd><code>call</code> - to write</dd></dl> +</li> +</ul> +<a name="setupAuthorization()"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>setupAuthorization</h4> +<pre>private void <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.423">setupAuthorization</a>() + throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true"; title="class or interface in java.io">IOException</a></pre> +<div class="block">Set up server authorization</div> +<dl><dt><span class="strong">Throws:</span></dt> +<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true"; title="class or interface in java.io">IOException</a></code> - if auth setup failed</dd></dl> +</li> +</ul> +<a name="buildUserInfo(org.apache.hadoop.security.UserGroupInformation, org.apache.hadoop.hbase.security.AuthMethod)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>buildUserInfo</h4> +<pre>private org.apache.hadoop.hbase.protobuf.generated.RPCProtos.UserInformation <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.472">buildUserInfo</a>(org.apache.hadoop.security.UserGroupInformation ugi, + <a href="../../../../../org/apache/hadoop/hbase/security/AuthMethod.html" title="enum in org.apache.hadoop.hbase.security">AuthMethod</a> authMethod)</pre> +<div class="block">Build the user information</div> +<dl><dt><span class="strong">Parameters:</span></dt><dd><code>ugi</code> - User Group Information</dd><dd><code>authMethod</code> - Authorization method</dd> +<dt><span class="strong">Returns:</span></dt><dd>UserInformation protobuf</dd></dl> +</li> +</ul> +<a name="createPreamble(io.netty.buffer.ByteBuf, org.apache.hadoop.hbase.security.AuthMethod)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>createPreamble</h4> +<pre>private void <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.496">createPreamble</a>(io.netty.buffer.ByteBuf byteBuf, + <a href="../../../../../org/apache/hadoop/hbase/security/AuthMethod.html" title="enum in org.apache.hadoop.hbase.security">AuthMethod</a> authMethod)</pre> +<div class="block">Create connection preamble</div> +<dl><dt><span class="strong">Parameters:</span></dt><dd><code>byteBuf</code> - to write to</dd><dd><code>authMethod</code> - to write</dd></dl> +</li> +</ul> +<a name="close0(java.lang.Throwable)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>close0</h4> +<pre>private void <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.502">close0</a>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true"; title="class or interface in java.lang">Throwable</a> e)</pre> +</li> +</ul> +<a name="close(java.lang.Throwable)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>close</h4> +<pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.543">close</a>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true"; title="class or interface in java.lang">Throwable</a> e)</pre> +<div class="block">Close connection</div> +<dl> +<dt><strong>Specified by:</strong></dt> +<dd><code><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannel.html#close(java.lang.Throwable)">close</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannel.html" title="interface in org.apache.hadoop.hbase.ipc">AsyncRpcChannel</a></code></dd> +<dt><span class="strong">Parameters:</span></dt><dd><code>e</code> - exception on close</dd></dl> +</li> +</ul> +<a name="cleanupCalls()"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>cleanupCalls</h4> +<pre>private void <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.562">cleanupCalls</a>()</pre> +<div class="block">Clean up calls.</div> +</li> +</ul> +<a name="isAlive()"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>isAlive</h4> +<pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.597">isAlive</a>()</pre> +<div class="block">Check if the connection is alive</div> +<dl> +<dt><strong>Specified by:</strong></dt> +<dd><code><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannel.html#isAlive()">isAlive</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannel.html" title="interface in org.apache.hadoop.hbase.ipc">AsyncRpcChannel</a></code></dd> +<dt><span class="strong">Returns:</span></dt><dd>true if alive</dd></dl> +</li> +</ul> +<a name="getAddress()"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getAddress</h4> +<pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/net/InetSocketAddress.html?is-external=true"; title="class or interface in java.net">InetSocketAddress</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.602">getAddress</a>()</pre> +<div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannel.html#getAddress()">AsyncRpcChannel</a></code></strong></div> +<div class="block">Get the address on which this channel operates</div> +<dl> +<dt><strong>Specified by:</strong></dt> +<dd><code><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannel.html#getAddress()">getAddress</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannel.html" title="interface in org.apache.hadoop.hbase.ipc">AsyncRpcChannel</a></code></dd> +<dt><span class="strong">Returns:</span></dt><dd>InetSocketAddress</dd></dl> +</li> +</ul> +<a name="shouldAuthenticateOverKrb()"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>shouldAuthenticateOverKrb</h4> +<pre>private boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.611">shouldAuthenticateOverKrb</a>() + throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true"; title="class or interface in java.io">IOException</a></pre> +<div class="block">Check if user should authenticate over Kerberos</div> +<dl><dt><span class="strong">Returns:</span></dt><dd>true if should be authenticated over Kerberos</dd> +<dt><span class="strong">Throws:</span></dt> +<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true"; title="class or interface in java.io">IOException</a></code> - on failure of check</dd></dl> +</li> +</ul> +<a name="handleSaslConnectionFailure(int, java.lang.Throwable, org.apache.hadoop.security.UserGroupInformation)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>handleSaslConnectionFailure</h4> +<pre>private void <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.642">handleSaslConnectionFailure</a>(int currRetries, + <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true"; title="class or interface in java.lang">Throwable</a> ex, + org.apache.hadoop.security.UserGroupInformation user) + throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true"; title="class or interface in java.io">IOException</a>, + <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/InterruptedException.html?is-external=true"; title="class or interface in java.lang">InterruptedException</a></pre> +<div class="block">If multiple clients with the same principal try to connect to the same server at the same time, + the server assumes a replay attack is in progress. This is a feature of kerberos. In order to + work around this, what is done is that the client backs off randomly and tries to initiate the + connection again. The other problem is to do with ticket expiry. To handle that, a relogin is + attempted. + <p> + The retry logic is governed by the <a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#shouldAuthenticateOverKrb()"><code>shouldAuthenticateOverKrb()</code></a> method. In case when the + user doesn't have valid credentials, we don't need to retry (from cache or ticket). In such + cases, it is prudent to throw a runtime exception when we receive a SaslException from the + underlying authentication implementation, so there is no retry from other high level (for eg, + HCM or HBaseAdmin). + </p></div> +<dl><dt><span class="strong">Parameters:</span></dt><dd><code>currRetries</code> - retry count</dd><dd><code>ex</code> - exception describing fail</dd><dd><code>user</code> - which is trying to connect</dd> +<dt><span class="strong">Throws:</span></dt> +<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true"; title="class or interface in java.io">IOException</a></code> - if IO fail</dd> +<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/InterruptedException.html?is-external=true"; title="class or interface in java.lang">InterruptedException</a></code> - if thread is interrupted</dd></dl> +</li> +</ul> +<a name="getConnectionHashCode()"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getConnectionHashCode</h4> +<pre>public int <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.682">getConnectionHashCode</a>()</pre> +</li> +</ul> +<a name="hashCode()"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>hashCode</h4> +<pre>public int <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.687">hashCode</a>()</pre> +<dl> +<dt><strong>Overrides:</strong></dt> +<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a></code> in class <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true"; title="class or interface in java.lang">Object</a></code></dd> +</dl> +</li> +</ul> +<a name="equals(java.lang.Object)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>equals</h4> +<pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.692">equals</a>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true"; title="class or interface in java.lang">Object</a> obj)</pre> +<dl> +<dt><strong>Overrides:</strong></dt> +<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a></code> in class <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true"; title="class or interface in java.lang">Object</a></code></dd> +</dl> +</li> +</ul> +<a name="toString()"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>toString</h4> +<pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true"; title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html#line.701">toString</a>()</pre> +<dl> +<dt><strong>Overrides:</strong></dt> +<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a></code> in class <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true"; title="class or interface in java.lang">Object</a></code></dd> +</dl> +</li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +</div> +<!-- ========= END OF CLASS DATA ========= --> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar_bottom"> +<!-- --> +</a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow"> +<!-- --> +</a> +<ul class="navList" title="Navigation"> +<li><a href="../../../../../overview-summary.html">Overview</a></li> +<li><a href="package-summary.html">Package</a></li> +<li class="navBarCell1Rev">Class</li> +<li><a href="class-use/AsyncRpcChannelImpl.html">Use</a></li> +<li><a href="package-tree.html">Tree</a></li> +<li><a href="../../../../../deprecated-list.html">Deprecated</a></li> +<li><a href="../../../../../index-all.html">Index</a></li> +<li><a href="../../../../../help-doc.html">Help</a></li> +</ul> +</div> +<div class="subNav"> +<ul class="navList"> +<li><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannel.html" title="interface in org.apache.hadoop.hbase.ipc"><span class="strong">Prev Class</span></a></li> +<li><a href="../../../../../org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.CallWriteListener.html" title="class in org.apache.hadoop.hbase.ipc"><span class="strong">Next Class</span></a></li> +</ul> +<ul class="navList"> +<li><a href="../../../../../index.html?org/apache/hadoop/hbase/ipc/AsyncRpcChannelImpl.html" target="_top">Frames</a></li> +<li><a href="AsyncRpcChannelImpl.html" target="_top">No Frames</a></li> +</ul> +<ul class="navList" id="allclasses_navbar_bottom"> +<li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> +</ul> +<div> +<script type="text/javascript"><!-- + allClassesLink = document.getElementById("allclasses_navbar_bottom"); 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