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| <title>Apache Singa: singa::io::BinFileReader Class Reference</title> |
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| <li class="navelem"><a class="el" href="namespacesinga.html">singa</a></li><li class="navelem"><b>io</b></li><li class="navelem"><a class="el" href="classsinga_1_1io_1_1BinFileReader.html">BinFileReader</a></li> </ul> |
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| <div class="header"> |
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| <a href="#pub-methods">Public Member Functions</a> | |
| <a href="#pro-methods">Protected Member Functions</a> | |
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| <div class="title">singa::io::BinFileReader Class Reference</div> </div> |
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| <div class="contents"> |
| |
| <p>Binfilereader reads tuples from binary file with key-value pairs. |
| <a href="classsinga_1_1io_1_1BinFileReader.html#details">More...</a></p> |
| |
| <p><code>#include <<a class="el" href="reader_8h_source.html">reader.h</a>></code></p> |
| <div class="dynheader"> |
| Inheritance diagram for singa::io::BinFileReader:</div> |
| <div class="dyncontent"> |
| <div class="center"><img src="classsinga_1_1io_1_1BinFileReader__inherit__graph.png" border="0" usemap="#singa_1_1io_1_1BinFileReader_inherit__map" alt="Inheritance graph"/></div> |
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| Collaboration diagram for singa::io::BinFileReader:</div> |
| <div class="dyncontent"> |
| <div class="center"><img src="classsinga_1_1io_1_1BinFileReader__coll__graph.png" border="0" usemap="#singa_1_1io_1_1BinFileReader_coll__map" alt="Collaboration graph"/></div> |
| <!-- MAP 1 --> |
| <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div> |
| <table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a> |
| Public Member Functions</h2></td></tr> |
| <tr class="memitem:a34cc1d57cb53922dd954f2380ff2e137"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classsinga_1_1io_1_1BinFileReader.html#a34cc1d57cb53922dd954f2380ff2e137">Open</a> (const std::string &<a class="el" href="classsinga_1_1io_1_1BinFileReader.html#a85039856483c4e16b9ca12cdec7d8bca">path</a>) override</td></tr> |
| <tr class="separator:a34cc1d57cb53922dd954f2380ff2e137"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a691d7057b51baf2ed369bd76828770b1"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classsinga_1_1io_1_1BinFileReader.html#a691d7057b51baf2ed369bd76828770b1">Open</a> (const std::string &<a class="el" href="classsinga_1_1io_1_1BinFileReader.html#a85039856483c4e16b9ca12cdec7d8bca">path</a>, int capacity)</td></tr> |
| <tr class="memdesc:a691d7057b51baf2ed369bd76828770b1"><td class="mdescLeft"> </td><td class="mdescRight">user defines capacity <a href="#a691d7057b51baf2ed369bd76828770b1">More...</a><br /></td></tr> |
| <tr class="separator:a691d7057b51baf2ed369bd76828770b1"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ad975e2276d82173a59021f353dbadf68"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsinga_1_1io_1_1BinFileReader.html#ad975e2276d82173a59021f353dbadf68">Close</a> () override</td></tr> |
| <tr class="separator:ad975e2276d82173a59021f353dbadf68"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a956414a417964de2a8f8248ea8ba1e0c"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classsinga_1_1io_1_1BinFileReader.html#a956414a417964de2a8f8248ea8ba1e0c">Read</a> (std::string *key, std::string *value) override</td></tr> |
| <tr class="separator:a956414a417964de2a8f8248ea8ba1e0c"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a5cd9ba4198573517cdddf1670b28f1f6"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classsinga_1_1io_1_1BinFileReader.html#a5cd9ba4198573517cdddf1670b28f1f6">Count</a> () override</td></tr> |
| <tr class="separator:a5cd9ba4198573517cdddf1670b28f1f6"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ae73a7c0aed3d2667ff83176c7dc3539c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsinga_1_1io_1_1BinFileReader.html#ae73a7c0aed3d2667ff83176c7dc3539c">SeekToFirst</a> () override</td></tr> |
| <tr class="separator:ae73a7c0aed3d2667ff83176c7dc3539c"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a85039856483c4e16b9ca12cdec7d8bca"><td class="memItemLeft" align="right" valign="top"><a id="a85039856483c4e16b9ca12cdec7d8bca"></a> |
| std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classsinga_1_1io_1_1BinFileReader.html#a85039856483c4e16b9ca12cdec7d8bca">path</a> ()</td></tr> |
| <tr class="memdesc:a85039856483c4e16b9ca12cdec7d8bca"><td class="mdescLeft"> </td><td class="mdescRight">return path to binary file <br /></td></tr> |
| <tr class="separator:a85039856483c4e16b9ca12cdec7d8bca"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="inherit_header pub_methods_classsinga_1_1io_1_1Reader"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classsinga_1_1io_1_1Reader')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classsinga_1_1io_1_1Reader.html">singa::io::Reader</a></td></tr> |
| <tr class="memitem:a151239317e76d0db47e5e6d01ed5fca3 inherit pub_methods_classsinga_1_1io_1_1Reader"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classsinga_1_1io_1_1Reader.html#a151239317e76d0db47e5e6d01ed5fca3">~Reader</a> ()</td></tr> |
| <tr class="memdesc:a151239317e76d0db47e5e6d01ed5fca3 inherit pub_methods_classsinga_1_1io_1_1Reader"><td class="mdescLeft"> </td><td class="mdescRight">In case that users forget to call <a class="el" href="classsinga_1_1io_1_1Reader.html#ae9a44a2b4ae832493c04d9b540ef29e1" title="Release resources. ">Close()</a> to release resources, e.g., memory, you can release them here. <a href="classsinga_1_1io_1_1Reader.html#a151239317e76d0db47e5e6d01ed5fca3">More...</a><br /></td></tr> |
| <tr class="separator:a151239317e76d0db47e5e6d01ed5fca3 inherit pub_methods_classsinga_1_1io_1_1Reader"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a> |
| Protected Member Functions</h2></td></tr> |
| <tr class="memitem:a55f03ebea25867f36b8e6a61597246eb"><td class="memItemLeft" align="right" valign="top"><a id="a55f03ebea25867f36b8e6a61597246eb"></a> |
| bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classsinga_1_1io_1_1BinFileReader.html#a55f03ebea25867f36b8e6a61597246eb">OpenFile</a> ()</td></tr> |
| <tr class="memdesc:a55f03ebea25867f36b8e6a61597246eb"><td class="mdescLeft"> </td><td class="mdescRight">Open a file with path_ and initialize buf_. <br /></td></tr> |
| <tr class="separator:a55f03ebea25867f36b8e6a61597246eb"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:afb5a302a0633012c0e7a52514e8cfff0"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classsinga_1_1io_1_1BinFileReader.html#afb5a302a0633012c0e7a52514e8cfff0">ReadField</a> (std::string *content)</td></tr> |
| <tr class="memdesc:afb5a302a0633012c0e7a52514e8cfff0"><td class="mdescLeft"> </td><td class="mdescRight">Read the next filed, including content_len and content; return true if succeed. <a href="#afb5a302a0633012c0e7a52514e8cfff0">More...</a><br /></td></tr> |
| <tr class="separator:afb5a302a0633012c0e7a52514e8cfff0"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ac08f91372fb5ede0837fe59925f531d1"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classsinga_1_1io_1_1BinFileReader.html#ac08f91372fb5ede0837fe59925f531d1">PrepareNextField</a> (int size)</td></tr> |
| <tr class="memdesc:ac08f91372fb5ede0837fe59925f531d1"><td class="mdescLeft"> </td><td class="mdescRight">Read data from disk if the current data in the buffer is not a full field. <a href="#ac08f91372fb5ede0837fe59925f531d1">More...</a><br /></td></tr> |
| <tr class="separator:ac08f91372fb5ede0837fe59925f531d1"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>Binfilereader reads tuples from binary file with key-value pairs. </p> |
| </div><h2 class="groupheader">Member Function Documentation</h2> |
| <a id="ad975e2276d82173a59021f353dbadf68"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ad975e2276d82173a59021f353dbadf68">◆ </a></span>Close()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void singa::io::BinFileReader::Close </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p></p> |
| |
| <p>Implements <a class="el" href="classsinga_1_1io_1_1Reader.html#ae9a44a2b4ae832493c04d9b540ef29e1">singa::io::Reader</a>.</p> |
| |
| </div> |
| </div> |
| <a id="a5cd9ba4198573517cdddf1670b28f1f6"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a5cd9ba4198573517cdddf1670b28f1f6">◆ </a></span>Count()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int singa::io::BinFileReader::Count </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p></p> |
| |
| <p>Implements <a class="el" href="classsinga_1_1io_1_1Reader.html#a860fade6259818e89887aac059bb6277">singa::io::Reader</a>.</p> |
| |
| </div> |
| </div> |
| <a id="a34cc1d57cb53922dd954f2380ff2e137"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a34cc1d57cb53922dd954f2380ff2e137">◆ </a></span>Open() <span class="overload">[1/2]</span></h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">bool singa::io::BinFileReader::Open </td> |
| <td>(</td> |
| <td class="paramtype">const std::string & </td> |
| <td class="paramname"><em>path</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p></p> |
| |
| <p>Implements <a class="el" href="classsinga_1_1io_1_1Reader.html#a6894610ce2560dbe7641fdf5a3abf909">singa::io::Reader</a>.</p> |
| |
| </div> |
| </div> |
| <a id="a691d7057b51baf2ed369bd76828770b1"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a691d7057b51baf2ed369bd76828770b1">◆ </a></span>Open() <span class="overload">[2/2]</span></h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">bool singa::io::BinFileReader::Open </td> |
| <td>(</td> |
| <td class="paramtype">const std::string & </td> |
| <td class="paramname"><em>path</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int </td> |
| <td class="paramname"><em>capacity</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>user defines capacity </p> |
| <p>user defines capacity </p> |
| |
| </div> |
| </div> |
| <a id="ac08f91372fb5ede0837fe59925f531d1"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ac08f91372fb5ede0837fe59925f531d1">◆ </a></span>PrepareNextField()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">bool singa::io::BinFileReader::PrepareNextField </td> |
| <td>(</td> |
| <td class="paramtype">int </td> |
| <td class="paramname"><em>size</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">protected</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Read data from disk if the current data in the buffer is not a full field. </p> |
| <p>size is the size of the next field. </p> |
| |
| </div> |
| </div> |
| <a id="a956414a417964de2a8f8248ea8ba1e0c"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a956414a417964de2a8f8248ea8ba1e0c">◆ </a></span>Read()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">bool singa::io::BinFileReader::Read </td> |
| <td>(</td> |
| <td class="paramtype">std::string * </td> |
| <td class="paramname"><em>key</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">std::string * </td> |
| <td class="paramname"><em>value</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p></p> |
| |
| <p>Implements <a class="el" href="classsinga_1_1io_1_1Reader.html#a8d45ee8b877e4344d776265af16e0c4b">singa::io::Reader</a>.</p> |
| |
| </div> |
| </div> |
| <a id="afb5a302a0633012c0e7a52514e8cfff0"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#afb5a302a0633012c0e7a52514e8cfff0">◆ </a></span>ReadField()</h2> |
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| <div class="memitem"> |
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| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
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| <td class="memname">bool singa::io::BinFileReader::ReadField </td> |
| <td>(</td> |
| <td class="paramtype">std::string * </td> |
| <td class="paramname"><em>content</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">protected</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Read the next filed, including content_len and content; return true if succeed. </p> |
| |
| </div> |
| </div> |
| <a id="ae73a7c0aed3d2667ff83176c7dc3539c"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ae73a7c0aed3d2667ff83176c7dc3539c">◆ </a></span>SeekToFirst()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void singa::io::BinFileReader::SeekToFirst </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p></p> |
| |
| <p>Implements <a class="el" href="classsinga_1_1io_1_1Reader.html#a82bb5bcb71d5abc58ffad4b698eb4965">singa::io::Reader</a>.</p> |
| |
| </div> |
| </div> |
| <hr/>The documentation for this class was generated from the following file:<ul> |
| <li>/home/moaz/incubator-singa/include/singa/io/<a class="el" href="reader_8h_source.html">reader.h</a></li> |
| </ul> |
| </div><!-- contents --> |
| <!-- start footer part --> |
| <hr class="footer"/><address class="footer"><small> |
| Generated on Mon Apr 22 2019 12:27:05 for Apache Singa by  <a href="http://www.doxygen.org/index.html"> |
| <img class="footer" src="doxygen.png" alt="doxygen"/> |
| </a> 1.8.13 |
| </small></address> |
| </body> |
| </html> |
