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<div class="subTitle">org.apache.mina.filter.buffer</div>
<h2 title="Class BufferedWriteFilter" class="title">Class BufferedWriteFilter</h2>
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<ul class="inheritance">
<li><a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html" title="class in org.apache.mina.core.filterchain">org.apache.mina.core.filterchain.IoFilterAdapter</a></li>
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<ul class="inheritance">
<li>org.apache.mina.filter.buffer.BufferedWriteFilter</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html" title="interface in org.apache.mina.core.filterchain">IoFilter</a></dd>
</dl>
<hr>
<br>
<pre>public final class <span class="strong">BufferedWriteFilter</span>
extends <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html" title="class in org.apache.mina.core.filterchain">IoFilterAdapter</a></pre>
<div class="block">An <a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html" title="interface in org.apache.mina.core.filterchain"><code>IoFilter</code></a> implementation used to buffer outgoing <a href="../../../../../org/apache/mina/core/write/WriteRequest.html" title="interface in org.apache.mina.core.write"><code>WriteRequest</code></a> almost
like what <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/io/BufferedOutputStream.html?is-external=true" title="class or interface in java.io"><code>BufferedOutputStream</code></a> does. Using this filter allows to be less dependent
from network latency. It is also useful when a session is generating very small messages
too frequently and consequently generating unnecessary traffic overhead.
Please note that it should always be placed before the <a href="../../../../../org/apache/mina/filter/codec/ProtocolCodecFilter.html" title="class in org.apache.mina.filter.codec"><code>ProtocolCodecFilter</code></a>
as it only handles <a href="../../../../../org/apache/mina/core/write/WriteRequest.html" title="interface in org.apache.mina.core.write"><code>WriteRequest</code></a>'s carrying <a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html" title="class in org.apache.mina.core.buffer"><code>IoBuffer</code></a> objects.</div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>MINA 2.0.0-M2</dd>
<dt><span class="strong">Author:</span></dt>
<dd><a href="http://mina.apache.org">Apache MINA Project</a></dd></dl>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.mina.core.filterchain.<a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html" title="interface in org.apache.mina.core.filterchain">IoFilter</a></h3>
<code><a href="../../../../../org/apache/mina/core/filterchain/IoFilter.NextFilter.html" title="interface in org.apache.mina.core.filterchain">IoFilter.NextFilter</a></code></li>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html#DEFAULT_BUFFER_SIZE">DEFAULT_BUFFER_SIZE</a></strong></code>
<div class="block">Default buffer size value in bytes.</div>
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<td class="colOne"><code><strong><a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html#BufferedWriteFilter()">BufferedWriteFilter</a></strong>()</code>
<div class="block">Default constructor.</div>
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<td class="colOne"><code><strong><a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html#BufferedWriteFilter(int)">BufferedWriteFilter</a></strong>(int&nbsp;bufferSize)</code>
<div class="block">Constructor which sets buffer size to <code>bufferSize</code>.Uses a default
instance of <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/concurrent/ConcurrentHashMap.html?is-external=true" title="class or interface in java.util.concurrent"><code>ConcurrentHashMap</code></a>.</div>
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<td class="colOne"><code><strong><a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html#BufferedWriteFilter(int, org.apache.mina.util.LazyInitializedCacheMap)">BufferedWriteFilter</a></strong>(int&nbsp;bufferSize,
<a href="../../../../../org/apache/mina/util/LazyInitializedCacheMap.html" title="class in org.apache.mina.util">LazyInitializedCacheMap</a>&lt;<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>,<a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html" title="class in org.apache.mina.core.buffer">IoBuffer</a>&gt;&nbsp;buffersMap)</code>
<div class="block">Constructor which sets buffer size to <code>bufferSize</code>.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html#exceptionCaught(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession, java.lang.Throwable)">exceptionCaught</a></strong>(<a href="../../../../../org/apache/mina/core/filterchain/IoFilter.NextFilter.html" title="interface in org.apache.mina.core.filterchain">IoFilter.NextFilter</a>&nbsp;nextFilter,
<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session,
<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&nbsp;cause)</code>
<div class="block">Filters <a href="../../../../../org/apache/mina/core/service/IoHandler.html#exceptionCaught(org.apache.mina.core.session.IoSession, java.lang.Throwable)"><code>IoHandler.exceptionCaught(IoSession,Throwable)</code></a>
event.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html#filterWrite(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession, org.apache.mina.core.write.WriteRequest)">filterWrite</a></strong>(<a href="../../../../../org/apache/mina/core/filterchain/IoFilter.NextFilter.html" title="interface in org.apache.mina.core.filterchain">IoFilter.NextFilter</a>&nbsp;nextFilter,
<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session,
<a href="../../../../../org/apache/mina/core/write/WriteRequest.html" title="interface in org.apache.mina.core.write">WriteRequest</a>&nbsp;writeRequest)</code>
<div class="block">Filters <a href="../../../../../org/apache/mina/core/session/IoSession.html#write(java.lang.Object)"><code>IoSession.write(Object)</code></a> method invocation.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html#flush(org.apache.mina.core.session.IoSession)">flush</a></strong>(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session)</code>
<div class="block">Flushes the buffered data.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html#getBufferSize()">getBufferSize</a></strong>()</code>
<div class="block">Returns buffer size.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html#sessionClosed(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession)">sessionClosed</a></strong>(<a href="../../../../../org/apache/mina/core/filterchain/IoFilter.NextFilter.html" title="interface in org.apache.mina.core.filterchain">IoFilter.NextFilter</a>&nbsp;nextFilter,
<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session)</code>
<div class="block">Filters <a href="../../../../../org/apache/mina/core/service/IoHandler.html#sessionClosed(org.apache.mina.core.session.IoSession)"><code>IoHandler.sessionClosed(IoSession)</code></a> event.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html#setBufferSize(int)">setBufferSize</a></strong>(int&nbsp;bufferSize)</code>
<div class="block">Sets the buffer size but only for the newly created buffers.</div>
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<h3>Methods inherited from class&nbsp;org.apache.mina.core.filterchain.<a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html" title="class in org.apache.mina.core.filterchain">IoFilterAdapter</a></h3>
<code><a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#destroy()">destroy</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#filterClose(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession)">filterClose</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#init()">init</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#inputClosed(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession)">inputClosed</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#messageReceived(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession, java.lang.Object)">messageReceived</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#messageSent(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession, org.apache.mina.core.write.WriteRequest)">messageSent</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#onPostAdd(org.apache.mina.core.filterchain.IoFilterChain, java.lang.String, org.apache.mina.core.filterchain.IoFilter.NextFilter)">onPostAdd</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#onPostRemove(org.apache.mina.core.filterchain.IoFilterChain, java.lang.String, org.apache.mina.core.filterchain.IoFilter.NextFilter)">onPostRemove</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#onPreAdd(org.apache.mina.core.filterchain.IoFilterChain, java.lang.String, org.apache.mina.core.filterchain.IoFilter.NextFilter)">onPreAdd</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#onPreRemove(org.apache.mina.core.filterchain.IoFilterChain, java.lang.String, org.apache.mina.core.filterchain.IoFilter.NextFilter)">onPreRemove</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#sessionCreated(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession)">sessionCreated</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#sessionIdle(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession, org.apache.mina.core.session.IdleStatus)">sessionIdle</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#sessionOpened(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession)">sessionOpened</a>, <a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#toString()">toString</a></code></li>
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<code><a href="http://docs.oracle.com/javase/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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/1.5.0/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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<h4>DEFAULT_BUFFER_SIZE</h4>
<pre>public static final&nbsp;int DEFAULT_BUFFER_SIZE</pre>
<div class="block">Default buffer size value in bytes.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../constant-values.html#org.apache.mina.filter.buffer.BufferedWriteFilter.DEFAULT_BUFFER_SIZE">Constant Field Values</a></dd></dl>
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<pre>public&nbsp;BufferedWriteFilter()</pre>
<div class="block">Default constructor. Sets buffer size to <a href="../../../../../org/apache/mina/filter/buffer/BufferedWriteFilter.html#DEFAULT_BUFFER_SIZE"><code>DEFAULT_BUFFER_SIZE</code></a>
bytes. Uses a default instance of <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/concurrent/ConcurrentHashMap.html?is-external=true" title="class or interface in java.util.concurrent"><code>ConcurrentHashMap</code></a>.</div>
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<pre>public&nbsp;BufferedWriteFilter(int&nbsp;bufferSize)</pre>
<div class="block">Constructor which sets buffer size to <code>bufferSize</code>.Uses a default
instance of <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/concurrent/ConcurrentHashMap.html?is-external=true" title="class or interface in java.util.concurrent"><code>ConcurrentHashMap</code></a>.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>bufferSize</code> - the new buffer size</dd></dl>
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<pre>public&nbsp;BufferedWriteFilter(int&nbsp;bufferSize,
<a href="../../../../../org/apache/mina/util/LazyInitializedCacheMap.html" title="class in org.apache.mina.util">LazyInitializedCacheMap</a>&lt;<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>,<a href="../../../../../org/apache/mina/core/buffer/IoBuffer.html" title="class in org.apache.mina.core.buffer">IoBuffer</a>&gt;&nbsp;buffersMap)</pre>
<div class="block">Constructor which sets buffer size to <code>bufferSize</code>. If
<code>buffersMap</code> is null then a default instance of <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/concurrent/ConcurrentHashMap.html?is-external=true" title="class or interface in java.util.concurrent"><code>ConcurrentHashMap</code></a>
is created else the provided instance is used.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>bufferSize</code> - the new buffer size</dd><dd><code>buffersMap</code> - the map to use for storing each session buffer</dd></dl>
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<h4>getBufferSize</h4>
<pre>public&nbsp;int&nbsp;getBufferSize()</pre>
<div class="block">Returns buffer size.</div>
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<pre>public&nbsp;void&nbsp;setBufferSize(int&nbsp;bufferSize)</pre>
<div class="block">Sets the buffer size but only for the newly created buffers.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>bufferSize</code> - the new buffer size</dd></dl>
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<pre>public&nbsp;void&nbsp;filterWrite(<a href="../../../../../org/apache/mina/core/filterchain/IoFilter.NextFilter.html" title="interface in org.apache.mina.core.filterchain">IoFilter.NextFilter</a>&nbsp;nextFilter,
<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session,
<a href="../../../../../org/apache/mina/core/write/WriteRequest.html" title="interface in org.apache.mina.core.write">WriteRequest</a>&nbsp;writeRequest)
throws <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block">Filters <a href="../../../../../org/apache/mina/core/session/IoSession.html#write(java.lang.Object)"><code>IoSession.write(Object)</code></a> method invocation.</div>
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<dd><code><a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html#filterWrite(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession, org.apache.mina.core.write.WriteRequest)">filterWrite</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html" title="interface in org.apache.mina.core.filterchain">IoFilter</a></code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#filterWrite(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession, org.apache.mina.core.write.WriteRequest)">filterWrite</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html" title="class in org.apache.mina.core.filterchain">IoFilterAdapter</a></code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code> - if <code>writeRequest.message</code> isn't an
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<pre>public&nbsp;void&nbsp;flush(<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session)</pre>
<div class="block">Flushes the buffered data.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>session</code> - the session where buffer will be written</dd></dl>
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<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session,
<a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&nbsp;cause)
throws <a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block">Filters <a href="../../../../../org/apache/mina/core/service/IoHandler.html#exceptionCaught(org.apache.mina.core.session.IoSession, java.lang.Throwable)"><code>IoHandler.exceptionCaught(IoSession,Throwable)</code></a>
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<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html#exceptionCaught(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession, java.lang.Throwable)">exceptionCaught</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html" title="interface in org.apache.mina.core.filterchain">IoFilter</a></code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#exceptionCaught(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession, java.lang.Throwable)">exceptionCaught</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html" title="class in org.apache.mina.core.filterchain">IoFilterAdapter</a></code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd></dl>
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<pre>public&nbsp;void&nbsp;sessionClosed(<a href="../../../../../org/apache/mina/core/filterchain/IoFilter.NextFilter.html" title="interface in org.apache.mina.core.filterchain">IoFilter.NextFilter</a>&nbsp;nextFilter,
<a href="../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session)
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<dd><code><a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html#sessionClosed(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession)">sessionClosed</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/mina/core/filterchain/IoFilter.html" title="interface in org.apache.mina.core.filterchain">IoFilter</a></code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html#sessionClosed(org.apache.mina.core.filterchain.IoFilter.NextFilter, org.apache.mina.core.session.IoSession)">sessionClosed</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/mina/core/filterchain/IoFilterAdapter.html" title="class in org.apache.mina.core.filterchain">IoFilterAdapter</a></code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd></dl>
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