| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| <html xmlns="http://www.w3.org/1999/xhtml"> |
| <head> |
| <link rel="canonical" href="https://ignite.apache.org/releases/2.1.0/cppdoc/classignite_1_1cache_1_1query_1_1QueryFieldsRow.html" /> |
| <META NAME="ROBOTS" CONTENT="NOINDEX"> |
| |
| <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> |
| <meta http-equiv="X-UA-Compatible" content="IE=9"/> |
| <meta name="generator" content="Doxygen 1.8.11"/> |
| <title> Apache Ignite C++: ignite::cache::query::QueryFieldsRow Class Reference</title> |
| <link href="tabs.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="jquery.js"></script> |
| <script type="text/javascript" src="dynsections.js"></script> |
| <link href="search/search.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="search/searchdata.js"></script> |
| <script type="text/javascript" src="search/search.js"></script> |
| <script type="text/javascript"> |
| $(document).ready(function() { init_search(); }); |
| </script> |
| <link href="doxygen.css" rel="stylesheet" type="text/css" /> |
| |
| <script> |
| (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ |
| (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), |
| m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) |
| })(window,document,'script','https://www.google-analytics.com/analytics.js','ga'); |
| |
| ga('create', 'UA-61232409-1', 'auto'); |
| ga('send', 'pageview'); |
| |
| </script></head> |
| <body> |
| <div id="top"><!-- do not remove this div, it is closed by doxygen! --> |
| <div id="titlearea"> |
| <table cellspacing="0" cellpadding="0"> |
| <tbody> |
| <tr style="height: 56px;"> |
| <td id="projectlogo"><img alt="Logo" src="ignite_logo.png"/></td> |
| <td id="projectalign" style="padding-left: 0.5em;"> |
| <div id="projectname"> Apache Ignite C++ |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <!-- end header part --> |
| <!-- Generated by Doxygen 1.8.11 --> |
| <script type="text/javascript"> |
| var searchBox = new SearchBox("searchBox", "search",false,'Search'); |
| </script> |
| <div id="navrow1" class="tabs"> |
| <ul class="tablist"> |
| <li><a href="index.html"><span>Main Page</span></a></li> |
| <li><a href="namespaces.html"><span>Namespaces</span></a></li> |
| <li class="current"><a href="annotated.html"><span>Classes</span></a></li> |
| <li><a href="files.html"><span>Files</span></a></li> |
| <li> |
| <div id="MSearchBox" class="MSearchBoxInactive"> |
| <span class="left"> |
| <img id="MSearchSelect" src="search/mag_sel.png" |
| onmouseover="return searchBox.OnSearchSelectShow()" |
| onmouseout="return searchBox.OnSearchSelectHide()" |
| alt=""/> |
| <input type="text" id="MSearchField" value="Search" accesskey="S" |
| onfocus="searchBox.OnSearchFieldFocus(true)" |
| onblur="searchBox.OnSearchFieldFocus(false)" |
| onkeyup="searchBox.OnSearchFieldChange(event)"/> |
| </span><span class="right"> |
| <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> |
| </span> |
| </div> |
| </li> |
| </ul> |
| </div> |
| <div id="navrow2" class="tabs2"> |
| <ul class="tablist"> |
| <li><a href="annotated.html"><span>Class List</span></a></li> |
| <li><a href="classes.html"><span>Class Index</span></a></li> |
| <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> |
| <li><a href="functions.html"><span>Class Members</span></a></li> |
| </ul> |
| </div> |
| <!-- window showing the filter options --> |
| <div id="MSearchSelectWindow" |
| onmouseover="return searchBox.OnSearchSelectShow()" |
| onmouseout="return searchBox.OnSearchSelectHide()" |
| onkeydown="return searchBox.OnSearchSelectKey(event)"> |
| </div> |
| |
| <!-- iframe showing the search results (closed by default) --> |
| <div id="MSearchResultsWindow"> |
| <iframe src="javascript:void(0)" frameborder="0" |
| name="MSearchResults" id="MSearchResults"> |
| </iframe> |
| </div> |
| |
| <div id="nav-path" class="navpath"> |
| <ul> |
| <li class="navelem"><a class="el" href="namespaceignite.html">ignite</a></li><li class="navelem"><a class="el" href="namespaceignite_1_1cache.html">cache</a></li><li class="navelem"><a class="el" href="namespaceignite_1_1cache_1_1query.html">query</a></li><li class="navelem"><a class="el" href="classignite_1_1cache_1_1query_1_1QueryFieldsRow.html">QueryFieldsRow</a></li> </ul> |
| </div> |
| </div><!-- top --> |
| <div class="header"> |
| <div class="summary"> |
| <a href="#pub-methods">Public Member Functions</a> | |
| <a href="classignite_1_1cache_1_1query_1_1QueryFieldsRow-members.html">List of all members</a> </div> |
| <div class="headertitle"> |
| <div class="title">ignite::cache::query::QueryFieldsRow Class Reference</div> </div> |
| </div><!--header--> |
| <div class="contents"> |
| |
| <p>Query fields cursor. |
| <a href="classignite_1_1cache_1_1query_1_1QueryFieldsRow.html#details">More...</a></p> |
| |
| <p><code>#include <<a class="el" href="query__fields__row_8h_source.html">query_fields_row.h</a>></code></p> |
| <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:a2e5523fe1f15b5a6718252ec93886532"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classignite_1_1cache_1_1query_1_1QueryFieldsRow.html#a2e5523fe1f15b5a6718252ec93886532">QueryFieldsRow</a> ()</td></tr> |
| <tr class="memdesc:a2e5523fe1f15b5a6718252ec93886532"><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <a href="#a2e5523fe1f15b5a6718252ec93886532">More...</a><br /></td></tr> |
| <tr class="separator:a2e5523fe1f15b5a6718252ec93886532"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:acbc34e7a1d2adf4541256a0dd59a80d5"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classignite_1_1cache_1_1query_1_1QueryFieldsRow.html#acbc34e7a1d2adf4541256a0dd59a80d5">QueryFieldsRow</a> (impl::cache::query::QueryFieldsRowImpl *impl)</td></tr> |
| <tr class="memdesc:acbc34e7a1d2adf4541256a0dd59a80d5"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#acbc34e7a1d2adf4541256a0dd59a80d5">More...</a><br /></td></tr> |
| <tr class="separator:acbc34e7a1d2adf4541256a0dd59a80d5"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aa34c4099ddef4d7de42af47fa7637e5a"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classignite_1_1cache_1_1query_1_1QueryFieldsRow.html#aa34c4099ddef4d7de42af47fa7637e5a">HasNext</a> ()</td></tr> |
| <tr class="memdesc:aa34c4099ddef4d7de42af47fa7637e5a"><td class="mdescLeft"> </td><td class="mdescRight">Check whether next entry exists. <a href="#aa34c4099ddef4d7de42af47fa7637e5a">More...</a><br /></td></tr> |
| <tr class="separator:aa34c4099ddef4d7de42af47fa7637e5a"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a815ad89f0e2ff971e1d13315aaa4c016"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classignite_1_1cache_1_1query_1_1QueryFieldsRow.html#a815ad89f0e2ff971e1d13315aaa4c016">HasNext</a> (<a class="el" href="classignite_1_1IgniteError.html">IgniteError</a> &err)</td></tr> |
| <tr class="memdesc:a815ad89f0e2ff971e1d13315aaa4c016"><td class="mdescLeft"> </td><td class="mdescRight">Check whether next entry exists. <a href="#a815ad89f0e2ff971e1d13315aaa4c016">More...</a><br /></td></tr> |
| <tr class="separator:a815ad89f0e2ff971e1d13315aaa4c016"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a2e3ffb81042cdb721d4e85225ab772f4"><td class="memTemplParams" colspan="2">template<typename T > </td></tr> |
| <tr class="memitem:a2e3ffb81042cdb721d4e85225ab772f4"><td class="memTemplItemLeft" align="right" valign="top">T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classignite_1_1cache_1_1query_1_1QueryFieldsRow.html#a2e3ffb81042cdb721d4e85225ab772f4">GetNext</a> ()</td></tr> |
| <tr class="memdesc:a2e3ffb81042cdb721d4e85225ab772f4"><td class="mdescLeft"> </td><td class="mdescRight">Get next entry. <a href="#a2e3ffb81042cdb721d4e85225ab772f4">More...</a><br /></td></tr> |
| <tr class="separator:a2e3ffb81042cdb721d4e85225ab772f4"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a10fdd0db03a0696e4ffc35dce09c5916"><td class="memTemplParams" colspan="2">template<typename T > </td></tr> |
| <tr class="memitem:a10fdd0db03a0696e4ffc35dce09c5916"><td class="memTemplItemLeft" align="right" valign="top">T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classignite_1_1cache_1_1query_1_1QueryFieldsRow.html#a10fdd0db03a0696e4ffc35dce09c5916">GetNext</a> (<a class="el" href="classignite_1_1IgniteError.html">IgniteError</a> &err)</td></tr> |
| <tr class="memdesc:a10fdd0db03a0696e4ffc35dce09c5916"><td class="mdescLeft"> </td><td class="mdescRight">Get next entry. <a href="#a10fdd0db03a0696e4ffc35dce09c5916">More...</a><br /></td></tr> |
| <tr class="separator:a10fdd0db03a0696e4ffc35dce09c5916"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a339527a6b64fa95593f12fecfdbc499d"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classignite_1_1cache_1_1query_1_1QueryFieldsRow.html#a339527a6b64fa95593f12fecfdbc499d">IsValid</a> () const </td></tr> |
| <tr class="memdesc:a339527a6b64fa95593f12fecfdbc499d"><td class="mdescLeft"> </td><td class="mdescRight">Check if the instance is valid. <a href="#a339527a6b64fa95593f12fecfdbc499d">More...</a><br /></td></tr> |
| <tr class="separator:a339527a6b64fa95593f12fecfdbc499d"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>Query fields cursor. </p> |
| <p>This class implemented as a reference to an implementation so copying of this class instance will only create another reference to the same underlying object. Underlying object released automatically once all the instances are destructed. </p> |
| </div><h2 class="groupheader">Constructor & Destructor Documentation</h2> |
| <a class="anchor" id="a2e5523fe1f15b5a6718252ec93886532"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">ignite::cache::query::QueryFieldsRow::QueryFieldsRow </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Default constructor. </p> |
| <p>Constructed instance is not valid and thus can not be used. </p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="acbc34e7a1d2adf4541256a0dd59a80d5"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">ignite::cache::query::QueryFieldsRow::QueryFieldsRow </td> |
| <td>(</td> |
| <td class="paramtype">impl::cache::query::QueryFieldsRowImpl * </td> |
| <td class="paramname"><em>impl</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Constructor. </p> |
| <p>Internal method. Should not be used by user.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">impl</td><td>Implementation. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Member Function Documentation</h2> |
| <a class="anchor" id="a2e3ffb81042cdb721d4e85225ab772f4"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <div class="memtemplate"> |
| template<typename T > </div> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">T ignite::cache::query::QueryFieldsRow::GetNext </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Get next entry. </p> |
| <p>Template argument type should be default-constructable, copy-constructable and assignable. Also BinaryType class template should be specialized for this type.</p> |
| <p>This method should only be used on the valid instance.</p> |
| <dl class="section return"><dt>Returns</dt><dd>Next entry.</dd></dl> |
| <dl class="exception"><dt>Exceptions</dt><dd> |
| <table class="exception"> |
| <tr><td class="paramname"><a class="el" href="classignite_1_1IgniteError.html" title="Ignite error information. ">IgniteError</a></td><td>class instance in case of failure. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a10fdd0db03a0696e4ffc35dce09c5916"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <div class="memtemplate"> |
| template<typename T > </div> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">T ignite::cache::query::QueryFieldsRow::GetNext </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="classignite_1_1IgniteError.html">IgniteError</a> & </td> |
| <td class="paramname"><em>err</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Get next entry. </p> |
| <p>Properly sets error param in case of failure.</p> |
| <p>Template argument type should be default-constructable, copy-constructable and assignable. Also BinaryType class template should be specialized for this type.</p> |
| <p>This method should only be used on the valid instance.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">err</td><td>Used to set operation result. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>Next entry on success and default-constructed type instance on failure. </dd></dl> |
| |
| </div> |
| </div> |
| <a class="anchor" id="aa34c4099ddef4d7de42af47fa7637e5a"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">bool ignite::cache::query::QueryFieldsRow::HasNext </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Check whether next entry exists. </p> |
| <p>This method should only be used on the valid instance.</p> |
| <dl class="section return"><dt>Returns</dt><dd>True if next entry exists.</dd></dl> |
| <dl class="exception"><dt>Exceptions</dt><dd> |
| <table class="exception"> |
| <tr><td class="paramname"><a class="el" href="classignite_1_1IgniteError.html" title="Ignite error information. ">IgniteError</a></td><td>class instance in case of failure. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a815ad89f0e2ff971e1d13315aaa4c016"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">bool ignite::cache::query::QueryFieldsRow::HasNext </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="classignite_1_1IgniteError.html">IgniteError</a> & </td> |
| <td class="paramname"><em>err</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Check whether next entry exists. </p> |
| <p>Properly sets error param in case of failure.</p> |
| <p>This method should only be used on the valid instance.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">err</td><td>Used to set operation result. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>True if next entry exists and operation resulted in success. Returns false on failure. </dd></dl> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a339527a6b64fa95593f12fecfdbc499d"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">bool ignite::cache::query::QueryFieldsRow::IsValid </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td> const</td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Check if the instance is valid. </p> |
| <p>Invalid instance can be returned if some of the previous operations have resulted in a failure. For example invalid instance can be returned by not-throwing version of method in case of error. Invalid instances also often can be created using default constructor.</p> |
| <dl class="section return"><dt>Returns</dt><dd>True if the instance is valid and can be used. </dd></dl> |
| |
| </div> |
| </div> |
| <hr/>The documentation for this class was generated from the following file:<ul> |
| <li><a class="el" href="query__fields__row_8h_source.html">query_fields_row.h</a></li> |
| </ul> |
| </div><!-- contents --> |
| <!-- start footer part --> |
| <hr class="footer"/><address class="footer"><small> |
| Generated on Thu Jul 20 2017 19:19:57 for Apache Ignite C++ by  <a href="http://www.doxygen.org/index.html"> |
| <img class="footer" src="doxygen.png" alt="doxygen"/> |
| </a> 1.8.11 |
| </small></address> |
| </body> |
| </html> |
