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<li class="navelem"><a class="el" href="a00571.html">qmf</a> </li>
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<!-- doxytag: class="qmf::engine::ResilientConnection" -->
<p><a class="el" href="a00277.html" title="ResilientConnection represents a Qpid connection that is resilient.">ResilientConnection</a> represents a Qpid connection that is resilient.
<a href="a00277.html#details">More...</a></p>
<p><code>#include <<a class="el" href="a00428_source.html">qmf/engine/ResilientConnection.h</a>></code></p>
<p><a href="a00639.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00277.html#a4f72b27cbd0051762f5ccceddac32750">ResilientConnection</a> (const <a class="el" href="a00063.html">ConnectionSettings</a> &settings)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a new resilient connection. <a href="#a4f72b27cbd0051762f5ccceddac32750"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00277.html#a67a330549aa763e411634733a36c1436">~ResilientConnection</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00277.html#ad2e2ad25ac20b18de7b1d69043500728">isConnected</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the connected status of the resilient connection. <a href="#ad2e2ad25ac20b18de7b1d69043500728"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00277.html#a37bd7af4e3fafd8f0bbf1e15bdfcdf45">getEvent</a> (<a class="el" href="a00278.html">ResilientConnectionEvent</a> &event)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the next event (if present) from the connection. <a href="#a37bd7af4e3fafd8f0bbf1e15bdfcdf45"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00277.html#ad90bd2c5323770ba3be6da32905b8aee">popEvent</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Discard the event on the front of the queue. <a href="#ad90bd2c5323770ba3be6da32905b8aee"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00277.html#a88d4ca842466daa8d0666a1c235ab57e">createSession</a> (const char *name, void *sessionContext, <a class="el" href="a00332.html">SessionHandle</a> &handle)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a new AMQP session. <a href="#a88d4ca842466daa8d0666a1c235ab57e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00277.html#acb92cd4ec627554e70a35d706cc418d8">destroySession</a> (<a class="el" href="a00332.html">SessionHandle</a> handle)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Destroy a created session. <a href="#acb92cd4ec627554e70a35d706cc418d8"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00277.html#a44b9a89c00b48b48b699e316f94d868a">sendMessage</a> (<a class="el" href="a00332.html">SessionHandle</a> handle, <a class="el" href="a00207.html">Message</a> &message)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Send a message into the AMQP broker via a session. <a href="#a44b9a89c00b48b48b699e316f94d868a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00277.html#ac43182c6ce214344ca95734326e8bb20">declareQueue</a> (<a class="el" href="a00332.html">SessionHandle</a> handle, char *queue)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Declare an exclusive, auto-delete queue for a session. <a href="#ac43182c6ce214344ca95734326e8bb20"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00277.html#a97ff0ef9c47f55ed0f167c574e951b4a">deleteQueue</a> (<a class="el" href="a00332.html">SessionHandle</a> handle, char *queue)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Delete a queue. <a href="#a97ff0ef9c47f55ed0f167c574e951b4a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00277.html#aa4ae18f367b0375094d5e081211e5c02">bind</a> (<a class="el" href="a00332.html">SessionHandle</a> handle, char *exchange, char *queue, char *key)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Bind a queue to an exchange. <a href="#aa4ae18f367b0375094d5e081211e5c02"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00277.html#ab4ae894168d4818c92d8a0b5b88e3c72">unbind</a> (<a class="el" href="a00332.html">SessionHandle</a> handle, char *exchange, char *queue, char *key)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Remove a binding. <a href="#ab4ae894168d4818c92d8a0b5b88e3c72"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00277.html#a5308526ae75a273ccf52fa6dd0916896">setNotifyFd</a> (int fd)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Establish a file descriptor for event notification. <a href="#a5308526ae75a273ccf52fa6dd0916896"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00277.html#a9d0fb811692fde821d24ba33c019bd51">notify</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Send a byte into the notify file descriptor. <a href="#a9d0fb811692fde821d24ba33c019bd51"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p><a class="el" href="a00277.html" title="ResilientConnection represents a Qpid connection that is resilient.">ResilientConnection</a> represents a Qpid connection that is resilient. </p>
<p>Upon creation, <a class="el" href="a00277.html" title="ResilientConnection represents a Qpid connection that is resilient.">ResilientConnection</a> attempts to establish a connection to the messaging broker. If it fails, it will continue to retry at an interval that increases over time (to a maximum interval). If an extablished connection is dropped, a reconnect will be attempted. </p>
</div><hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a4f72b27cbd0051762f5ccceddac32750"></a><!-- doxytag: member="qmf::engine::ResilientConnection::ResilientConnection" ref="a4f72b27cbd0051762f5ccceddac32750" args="(const ConnectionSettings &settings)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">qmf::engine::ResilientConnection::ResilientConnection </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="a00063.html">ConnectionSettings</a> & </td>
<td class="paramname"><em>settings</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Create a new resilient connection. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">settings</td><td>Settings that define how the connection is to be made. </td></tr>
<tr><td class="paramname">delayMin</td><td>Minimum delay (in seconds) between retries. </td></tr>
<tr><td class="paramname">delayMax</td><td>Maximum delay (in seconds) between retries. </td></tr>
<tr><td class="paramname">delayFactor</td><td>Factor to multiply retry delay by after each failure. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a67a330549aa763e411634733a36c1436"></a><!-- doxytag: member="qmf::engine::ResilientConnection::~ResilientConnection" ref="a67a330549aa763e411634733a36c1436" args="()" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">qmf::engine::ResilientConnection::~ResilientConnection </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="aa4ae18f367b0375094d5e081211e5c02"></a><!-- doxytag: member="qmf::engine::ResilientConnection::bind" ref="aa4ae18f367b0375094d5e081211e5c02" args="(SessionHandle handle, char *exchange, char *queue, char *key)" -->
<div class="memitem">
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<td class="memname">void qmf::engine::ResilientConnection::bind </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00332.html">SessionHandle</a> </td>
<td class="paramname"><em>handle</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>exchange</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>queue</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>key</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Bind a queue to an exchange. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">handle</td><td>The session handle of the session to use for binding. </td></tr>
<tr><td class="paramname">exchange</td><td>The name of the exchange for binding. </td></tr>
<tr><td class="paramname">queue</td><td>The name of the queue for binding. </td></tr>
<tr><td class="paramname">key</td><td>The binding key. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a88d4ca842466daa8d0666a1c235ab57e"></a><!-- doxytag: member="qmf::engine::ResilientConnection::createSession" ref="a88d4ca842466daa8d0666a1c235ab57e" args="(const char *name, void *sessionContext, SessionHandle &handle)" -->
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<div class="memproto">
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<td class="memname">bool qmf::engine::ResilientConnection::createSession </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>sessionContext</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00332.html">SessionHandle</a> & </td>
<td class="paramname"><em>handle</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Create a new AMQP session. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">name</td><td>Unique name for the session. </td></tr>
<tr><td class="paramname">sessionContext</td><td>Optional user-context value that will be provided in events pertaining to this session. </td></tr>
<tr><td class="paramname">handle</td><td>Output handle to be stored and used in subsequent calls pertaining to this session. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>true iff the session was successfully created. </dd></dl>
</div>
</div>
<a class="anchor" id="ac43182c6ce214344ca95734326e8bb20"></a><!-- doxytag: member="qmf::engine::ResilientConnection::declareQueue" ref="ac43182c6ce214344ca95734326e8bb20" args="(SessionHandle handle, char *queue)" -->
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<td class="memname">void qmf::engine::ResilientConnection::declareQueue </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00332.html">SessionHandle</a> </td>
<td class="paramname"><em>handle</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>queue</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Declare an exclusive, auto-delete queue for a session. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">handle</td><td>The session handle for the owner of the queue. </td></tr>
<tr><td class="paramname">queue</td><td>The name of the queue. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a97ff0ef9c47f55ed0f167c574e951b4a"></a><!-- doxytag: member="qmf::engine::ResilientConnection::deleteQueue" ref="a97ff0ef9c47f55ed0f167c574e951b4a" args="(SessionHandle handle, char *queue)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">void qmf::engine::ResilientConnection::deleteQueue </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00332.html">SessionHandle</a> </td>
<td class="paramname"><em>handle</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>queue</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Delete a queue. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">handle</td><td>The session handle for the owner of the queue. </td></tr>
<tr><td class="paramname">queue</td><td>The name of the queue. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="acb92cd4ec627554e70a35d706cc418d8"></a><!-- doxytag: member="qmf::engine::ResilientConnection::destroySession" ref="acb92cd4ec627554e70a35d706cc418d8" args="(SessionHandle handle)" -->
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<td class="memname">void qmf::engine::ResilientConnection::destroySession </td>
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<td class="paramtype"><a class="el" href="a00332.html">SessionHandle</a> </td>
<td class="paramname"><em>handle</em></td><td>)</td>
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<p>Destroy a created session. </p>
<dl><dt><b>Parameters:</b></dt><dd>
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<tr><td class="paramname">handle</td><td><a class="el" href="a00332.html">SessionHandle</a> returned by createSession. </td></tr>
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</dd>
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<a class="anchor" id="a37bd7af4e3fafd8f0bbf1e15bdfcdf45"></a><!-- doxytag: member="qmf::engine::ResilientConnection::getEvent" ref="a37bd7af4e3fafd8f0bbf1e15bdfcdf45" args="(ResilientConnectionEvent &event)" -->
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<td class="memname">bool qmf::engine::ResilientConnection::getEvent </td>
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<p>Get the next event (if present) from the connection. </p>
<dl><dt><b>Parameters:</b></dt><dd>
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<tr><td class="paramname">event</td><td>Returned event if one is available. </td></tr>
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<dl class="return"><dt><b>Returns:</b></dt><dd>true if event is valid, false if there are no more events to handle. </dd></dl>
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<a class="anchor" id="ad2e2ad25ac20b18de7b1d69043500728"></a><!-- doxytag: member="qmf::engine::ResilientConnection::isConnected" ref="ad2e2ad25ac20b18de7b1d69043500728" args="() const " -->
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<td class="memname">bool qmf::engine::ResilientConnection::isConnected </td>
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<p>Get the connected status of the resilient connection. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>true iff the connection is established. </dd></dl>
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<a class="anchor" id="a9d0fb811692fde821d24ba33c019bd51"></a><!-- doxytag: member="qmf::engine::ResilientConnection::notify" ref="a9d0fb811692fde821d24ba33c019bd51" args="()" -->
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<td class="memname">void qmf::engine::ResilientConnection::notify </td>
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<p>Send a byte into the notify file descriptor. </p>
<p>This can be used to wake up the event processing portion of the engine from either the wrapped implementation or the engine itself. </p>
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<a class="anchor" id="ad90bd2c5323770ba3be6da32905b8aee"></a><!-- doxytag: member="qmf::engine::ResilientConnection::popEvent" ref="ad90bd2c5323770ba3be6da32905b8aee" args="()" -->
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<td class="memname">void qmf::engine::ResilientConnection::popEvent </td>
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<p>Discard the event on the front of the queue. </p>
<p>This should be invoked after processing the event from getEvent. </p>
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<a class="anchor" id="a44b9a89c00b48b48b699e316f94d868a"></a><!-- doxytag: member="qmf::engine::ResilientConnection::sendMessage" ref="a44b9a89c00b48b48b699e316f94d868a" args="(SessionHandle handle, Message &message)" -->
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<td class="memname">void qmf::engine::ResilientConnection::sendMessage </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00332.html">SessionHandle</a> </td>
<td class="paramname"><em>handle</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00207.html">Message</a> & </td>
<td class="paramname"><em>message</em> </td>
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<td>)</td>
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<p>Send a message into the AMQP broker via a session. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">handle</td><td>The session handle of the session to transmit through. </td></tr>
<tr><td class="paramname">message</td><td>The QMF message to transmit. </td></tr>
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</dd>
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<a class="anchor" id="a5308526ae75a273ccf52fa6dd0916896"></a><!-- doxytag: member="qmf::engine::ResilientConnection::setNotifyFd" ref="a5308526ae75a273ccf52fa6dd0916896" args="(int fd)" -->
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<td class="memname">void qmf::engine::ResilientConnection::setNotifyFd </td>
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<td class="paramtype">int </td>
<td class="paramname"><em>fd</em></td><td>)</td>
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<p>Establish a file descriptor for event notification. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">fd</td><td>A file descriptor into which the connection shall write a character each time an event is enqueued. This fd may be in a pair, the other fd of which is used in a select loop to control execution. </td></tr>
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</dd>
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<a class="anchor" id="ab4ae894168d4818c92d8a0b5b88e3c72"></a><!-- doxytag: member="qmf::engine::ResilientConnection::unbind" ref="ab4ae894168d4818c92d8a0b5b88e3c72" args="(SessionHandle handle, char *exchange, char *queue, char *key)" -->
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<td class="memname">void qmf::engine::ResilientConnection::unbind </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00332.html">SessionHandle</a> </td>
<td class="paramname"><em>handle</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>exchange</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>queue</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>key</em> </td>
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<tr>
<td></td>
<td>)</td>
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<p>Remove a binding. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">handle</td><td>The session handle of the session to use for un-binding. </td></tr>
<tr><td class="paramname">exchange</td><td>The name of the exchange. </td></tr>
<tr><td class="paramname">queue</td><td>The name of the queue. </td></tr>
<tr><td class="paramname">key</td><td>The binding key. </td></tr>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>qmf/engine/<a class="el" href="a00428_source.html">ResilientConnection.h</a></li>
</ul>
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