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<title>Avro C++: avro::SeekableInputStream Class Reference</title>
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<li class="navelem"><a class="el" href="namespaceavro.html">avro</a></li><li class="navelem"><a class="el" href="classavro_1_1SeekableInputStream.html">SeekableInputStream</a></li> </ul>
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<div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pro-methods">Protected Member Functions</a> &#124;
<a href="classavro_1_1SeekableInputStream-members.html">List of all members</a> </div>
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<div class="title">avro::SeekableInputStream Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p>An <a class="el" href="classavro_1_1InputStream.html" title="A no-copy input stream. ">InputStream</a> which also supports seeking to a specific offset.
<a href="classavro_1_1SeekableInputStream.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="Stream_8hh_source.html">Stream.hh</a>&gt;</code></p>
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Inheritance diagram for avro::SeekableInputStream:</div>
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<div class="center">
<img src="classavro_1_1SeekableInputStream.png" usemap="#avro::SeekableInputStream_map" alt=""/>
<map id="avro::SeekableInputStream_map" name="avro::SeekableInputStream_map">
<area href="classavro_1_1InputStream.html" title="A no-copy input stream. " alt="avro::InputStream" shape="rect" coords="0,56,162,80"/>
</map>
</div></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:a0f24f251960fc35d9b82401b0d07e5f0"><td class="memItemLeft" align="right" valign="top"><a id="a0f24f251960fc35d9b82401b0d07e5f0"></a>
virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classavro_1_1SeekableInputStream.html#a0f24f251960fc35d9b82401b0d07e5f0">~SeekableInputStream</a> ()</td></tr>
<tr class="memdesc:a0f24f251960fc35d9b82401b0d07e5f0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:a0f24f251960fc35d9b82401b0d07e5f0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8cb112cf58c021a6e2ac64216997f0b6"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classavro_1_1SeekableInputStream.html#a8cb112cf58c021a6e2ac64216997f0b6">seek</a> (int64_t position)=0</td></tr>
<tr class="memdesc:a8cb112cf58c021a6e2ac64216997f0b6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Seek to a specific position in the stream. <a href="#a8cb112cf58c021a6e2ac64216997f0b6">More...</a><br /></td></tr>
<tr class="separator:a8cb112cf58c021a6e2ac64216997f0b6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classavro_1_1InputStream"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classavro_1_1InputStream')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classavro_1_1InputStream.html">avro::InputStream</a></td></tr>
<tr class="memitem:a1536aeefa0571f9fd80181503b6f501e inherit pub_methods_classavro_1_1InputStream"><td class="memItemLeft" align="right" valign="top"><a id="a1536aeefa0571f9fd80181503b6f501e"></a>
virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classavro_1_1InputStream.html#a1536aeefa0571f9fd80181503b6f501e">~InputStream</a> ()</td></tr>
<tr class="memdesc:a1536aeefa0571f9fd80181503b6f501e inherit pub_methods_classavro_1_1InputStream"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:a1536aeefa0571f9fd80181503b6f501e inherit pub_methods_classavro_1_1InputStream"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a87767c15b0661981d24f7a42bfcef6b5 inherit pub_methods_classavro_1_1InputStream"><td class="memItemLeft" align="right" valign="top">virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classavro_1_1InputStream.html#a87767c15b0661981d24f7a42bfcef6b5">next</a> (const uint8_t **data, size_t *len)=0</td></tr>
<tr class="memdesc:a87767c15b0661981d24f7a42bfcef6b5 inherit pub_methods_classavro_1_1InputStream"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns some of available data. <a href="classavro_1_1InputStream.html#a87767c15b0661981d24f7a42bfcef6b5">More...</a><br /></td></tr>
<tr class="separator:a87767c15b0661981d24f7a42bfcef6b5 inherit pub_methods_classavro_1_1InputStream"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a03f9cfac5f7a0141bfe7d6cc4bc7a0d0 inherit pub_methods_classavro_1_1InputStream"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classavro_1_1InputStream.html#a03f9cfac5f7a0141bfe7d6cc4bc7a0d0">backup</a> (size_t len)=0</td></tr>
<tr class="memdesc:a03f9cfac5f7a0141bfe7d6cc4bc7a0d0 inherit pub_methods_classavro_1_1InputStream"><td class="mdescLeft">&#160;</td><td class="mdescRight">"Returns" back some of the data to the stream. <a href="classavro_1_1InputStream.html#a03f9cfac5f7a0141bfe7d6cc4bc7a0d0">More...</a><br /></td></tr>
<tr class="separator:a03f9cfac5f7a0141bfe7d6cc4bc7a0d0 inherit pub_methods_classavro_1_1InputStream"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4ec852f779fc68dea8fef197ec3eef1d inherit pub_methods_classavro_1_1InputStream"><td class="memItemLeft" align="right" valign="top"><a id="a4ec852f779fc68dea8fef197ec3eef1d"></a>
virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classavro_1_1InputStream.html#a4ec852f779fc68dea8fef197ec3eef1d">skip</a> (size_t len)=0</td></tr>
<tr class="memdesc:a4ec852f779fc68dea8fef197ec3eef1d inherit pub_methods_classavro_1_1InputStream"><td class="mdescLeft">&#160;</td><td class="mdescRight">Skips number of bytes specified by len. <br /></td></tr>
<tr class="separator:a4ec852f779fc68dea8fef197ec3eef1d inherit pub_methods_classavro_1_1InputStream"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acfacc38121fd95e0644b480618b610f3 inherit pub_methods_classavro_1_1InputStream"><td class="memItemLeft" align="right" valign="top">virtual size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classavro_1_1InputStream.html#acfacc38121fd95e0644b480618b610f3">byteCount</a> () const =0</td></tr>
<tr class="memdesc:acfacc38121fd95e0644b480618b610f3 inherit pub_methods_classavro_1_1InputStream"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the number of bytes read from this stream so far. <a href="classavro_1_1InputStream.html#acfacc38121fd95e0644b480618b610f3">More...</a><br /></td></tr>
<tr class="separator:acfacc38121fd95e0644b480618b610f3 inherit pub_methods_classavro_1_1InputStream"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a52fe8b3d7074457b098dbdcfe6835557"><td class="memItemLeft" align="right" valign="top"><a id="a52fe8b3d7074457b098dbdcfe6835557"></a>
&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classavro_1_1SeekableInputStream.html#a52fe8b3d7074457b098dbdcfe6835557">SeekableInputStream</a> ()</td></tr>
<tr class="memdesc:a52fe8b3d7074457b098dbdcfe6835557"><td class="mdescLeft">&#160;</td><td class="mdescRight">An empty constuctor. <br /></td></tr>
<tr class="separator:a52fe8b3d7074457b098dbdcfe6835557"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pro_methods_classavro_1_1InputStream"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classavro_1_1InputStream')"><img src="closed.png" alt="-"/>&#160;Protected Member Functions inherited from <a class="el" href="classavro_1_1InputStream.html">avro::InputStream</a></td></tr>
<tr class="memitem:a252c2091ab50e6060e33ccbc7878bc6c inherit pro_methods_classavro_1_1InputStream"><td class="memItemLeft" align="right" valign="top"><a id="a252c2091ab50e6060e33ccbc7878bc6c"></a>
&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classavro_1_1InputStream.html#a252c2091ab50e6060e33ccbc7878bc6c">InputStream</a> ()</td></tr>
<tr class="memdesc:a252c2091ab50e6060e33ccbc7878bc6c inherit pro_methods_classavro_1_1InputStream"><td class="mdescLeft">&#160;</td><td class="mdescRight">An empty constuctor. <br /></td></tr>
<tr class="separator:a252c2091ab50e6060e33ccbc7878bc6c inherit pro_methods_classavro_1_1InputStream"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>An <a class="el" href="classavro_1_1InputStream.html" title="A no-copy input stream. ">InputStream</a> which also supports seeking to a specific offset. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="a8cb112cf58c021a6e2ac64216997f0b6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8cb112cf58c021a6e2ac64216997f0b6">&#9670;&nbsp;</a></span>seek()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
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<td class="memname">virtual void avro::SeekableInputStream::seek </td>
<td>(</td>
<td class="paramtype">int64_t&#160;</td>
<td class="paramname"><em>position</em></td><td>)</td>
<td></td>
</tr>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p>Seek to a specific position in the stream. </p>
<p>This may invalidate pointers returned from <a class="el" href="classavro_1_1InputStream.html#a87767c15b0661981d24f7a42bfcef6b5" title="Returns some of available data. ">next()</a>. This will also reset <a class="el" href="classavro_1_1InputStream.html#acfacc38121fd95e0644b480618b610f3" title="Returns the number of bytes read from this stream so far. ">byteCount()</a> to the given position. </p>
</div>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>api/<a class="el" href="Stream_8hh_source.html">Stream.hh</a></li>
</ul>
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