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<TITLE>class DataConsumer</TITLE>
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<h1>class DataConsumer</h1>
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A data consumer
<small><A HREF="#longdesc">More...</A></small></TD></TR>
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<TR><TH colspan="2">Contains pure virtuals</TH></TR><TR><TH>Full name</TH><TD><code><A HREF="TelEngine.html">TelEngine</A>::DataConsumer</code></TD></TR>
<TR><TH>Definition</TH><TD><code>#include <<A HREF="yatephone_h.html">yatephone.h</A>></code></TD></TR>
<TR><TH>Inherits</TH><TD><A HREF="TelEngine__DataNode.html">TelEngine::DataNode</A> <small>[public ]</small></TD></TR>
<TR><TH>Inherited by</TH><TD><A HREF="TelEngine__DataTranslator.html">DataTranslator</A></TD></TR>
<TR><TH><A HREF="full-list-TelEngine__DataConsumer.html">List of all Methods</A></TH></TR>
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<TD align="right"><TABLE BORDER="0"><TR><TD><small><A HREF="index-long.html">Annotated List</A></small></TD></TR>
<TR><TD><small><A HREF="header-list.html">Files</A></small></TD></TR>
<TR><TD><small><A HREF="all-globals.html">Globals</A></small></TD></TR>
<TR><TD><small><A HREF="hier.html">Hierarchy</A></small></TD></TR>
<TR><TD><small><A HREF="index.html">Index</A></small></TD></TR>
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<h4>Public Methods</h4><ul><LI>inline <b><A HREF="#ref2">DataConsumer</A></b> (const char* format = "slin")
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<LI>virtual void <b><A HREF="#ref3">destroyed</A></b> ()
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<LI>virtual void* <b><A HREF="#ref4">getObject</A></b> (const String& name) const
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<LI>virtual unsigned long <b><i><A HREF="#ref5">Consume</A></i></b> (const DataBlock& data, unsigned long tStamp, unsigned long flags)
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<LI>inline DataSource* <b><A HREF="#ref6">getConnSource</A></b> () const
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<LI>inline DataSource* <b><A HREF="#ref7">getOverSource</A></b> () const
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<LI>virtual DataSource* <b><A HREF="#ref8">getTransSource</A></b> () const
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</ul><h4>Protected Methods</h4><ul><LI>virtual bool <b><A HREF="#ref9">synchronize</A></b> (DataSource* source)
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</ul><HR><H2><A NAME="longdesc">Detailed Description</A></H2><p>
A data consumer
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<A NAME="DataConsumer"></A><A NAME="ref2"></A><table width="100%"><tr bgcolor="#eeeeee"><td>inline <strong>DataConsumer</strong> (const char* format = "slin")
<br></td><td align="right"><h3><strong>DataConsumer</strong></h3></td></tr></table><p></p><p>
Consumer constructor
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<p><b>Parameters</b>:<TABLE BORDER="0" CELLPADDING="5">
<TR><TD align="left" valign="top"><i>format</i></TD><TD align="left" valign="top">Name of the data format, default "slin" (Signed Linear)
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<A NAME="destroyed"></A><A NAME="ref3"></A><table width="100%"><tr bgcolor="#eeeeee"><td> void <strong>destroyed</strong> ()
<br></td><td align="right"><h3><strong>destroyed</strong></h3></td></tr></table><p> <small>[virtual]</small></p><p>
Destruct notification - complains loudly if still attached to a source
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<p>Reimplemented from <A HREF="TelEngine__RefObject.html#destroyed">RefObject</A>.</p>
<A NAME="getObject"></A><A NAME="ref4"></A><table width="100%"><tr bgcolor="#eeeeee"><td> void* <strong>getObject</strong> (const String& name)
<br></td><td align="right"><h3><strong>getObject</strong></h3></td></tr></table><p> <small>[const virtual]</small></p><p>
Get a pointer to a derived class given that class name
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<p><b>Parameters</b>:<TABLE BORDER="0" CELLPADDING="5">
<TR><TD align="left" valign="top"><i>name</i></TD><TD align="left" valign="top">Name of the class we are asking for
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<p><b>Returns</b>: Pointer to the requested class or NULL if this object doesn't implement it
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<p>Reimplemented from <A HREF="TelEngine__GenObject.html#getObject">GenObject</A>.</p>
<A NAME="Consume"></A><A NAME="ref5"></A><table width="100%"><tr bgcolor="#eeeeee"><td> unsigned long <i><strong>Consume</strong></i> (const DataBlock& data, unsigned long tStamp, unsigned long flags)
<br></td><td align="right"><h3><i><strong>Consume</strong></i></h3></td></tr></table><p> <small>[pure virtual]</small></p><p>
Consumes the data sent to it from a source
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<p><b>Parameters</b>:<TABLE BORDER="0" CELLPADDING="5">
<TR><TD align="left" valign="top"><i>data</i></TD><TD align="left" valign="top">The raw data block to process
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<TR><TD align="left" valign="top"><i>tStamp</i></TD><TD align="left" valign="top">Timestamp of data - typically samples
</TD></TR>
<TR><TD align="left" valign="top"><i>flags</i></TD><TD align="left" valign="top">Indicator flags associated with the data block
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<p><b>Returns</b>: Number of samples actually consumed,
use invalidStamp() to indicate that all data was consumed,
return zero for consumers that become invalid
</p>
<A NAME="getConnSource"></A><A NAME="ref6"></A><table width="100%"><tr bgcolor="#eeeeee"><td>inline DataSource* <strong>getConnSource</strong> ()
<br></td><td align="right"><h3><strong>getConnSource</strong></h3></td></tr></table><p> <small>[const]</small></p><p>
Get the data source of this object if it's connected
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<p><b>Returns</b>: A pointer to the DataSource object or NULL
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<A NAME="getOverSource"></A><A NAME="ref7"></A><table width="100%"><tr bgcolor="#eeeeee"><td>inline DataSource* <strong>getOverSource</strong> ()
<br></td><td align="right"><h3><strong>getOverSource</strong></h3></td></tr></table><p> <small>[const]</small></p><p>
Get the override data source of this object if it's connected
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<p><b>Returns</b>: A pointer to the DataSource object or NULL
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<A NAME="getTransSource"></A><A NAME="ref8"></A><table width="100%"><tr bgcolor="#eeeeee"><td> DataSource* <strong>getTransSource</strong> ()
<br></td><td align="right"><h3><strong>getTransSource</strong></h3></td></tr></table><p> <small>[const virtual]</small></p><p>
Get the data source of a translator object
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<p><b>Returns</b>: A pointer to the DataSource object or NULL
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<A NAME="synchronize"></A><A NAME="ref9"></A><table width="100%"><tr bgcolor="#eeeeee"><td> bool <strong>synchronize</strong> (DataSource* source)
<br></td><td align="right"><h3><strong>synchronize</strong></h3></td></tr></table><p> <small>[protected virtual]</small></p><p>
Synchronize the consumer with a source
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<p><b>Parameters</b>:<TABLE BORDER="0" CELLPADDING="5">
<TR><TD align="left" valign="top"><i>source</i></TD><TD align="left" valign="top">Data source to copy the timestamp from
</TD></TR>
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<p><b>Returns</b>: True if we could synchronize with the source
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