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<h1>ResultImpl.hpp</h1><a href="ResultImpl_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
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<a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 2001-2008</span>
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<a name="l00003"></a>00003 <span class="comment"> * DecisionSoft Limited. All rights reserved.</span>
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<a name="l00004"></a>00004 <span class="comment"> * Copyright (c) 2004-2008</span>
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<a name="l00005"></a>00005 <span class="comment"> * Oracle. All rights reserved.</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span>
<a name="l00008"></a>00008 <span class="comment"> * you may not use this file except in compliance with the License.</span>
<a name="l00009"></a>00009 <span class="comment"> * You may obtain a copy of the License at</span>
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<a name="l00010"></a>00010 <span class="comment"> *</span>
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<a name="l00011"></a>00011 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span>
<a name="l00014"></a>00014 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
<a name="l00015"></a>00015 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<a name="l00016"></a>00016 <span class="comment"> * See the License for the specific language governing permissions and</span>
<a name="l00017"></a>00017 <span class="comment"> * limitations under the License.</span>
<a name="l00018"></a>00018 <span class="comment"> *</span>
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<a name="l00019"></a>00019 <span class="comment"> * $Id: ResultImpl.hpp 634 2008-08-28 00:46:37Z jpcs $</span>
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<a name="l00020"></a>00020 <span class="comment"> */</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#ifndef _RESULTIMPL_HPP</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define _RESULTIMPL_HPP</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span>
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<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;xqilla/framework/XQillaExport.hpp&gt;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;<a class="code" href="Item_8hpp.html">xqilla/items/Item.hpp</a>&gt;</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include &lt;<a class="code" href="LocationInfo_8hpp.html">xqilla/ast/LocationInfo.hpp</a>&gt;</span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="keyword">class </span><a class="code" href="classDynamicContext.html" title="The execution time dynamic context interface.">DynamicContext</a>;
<a name="l00030"></a>00030 <span class="keyword">class </span><a class="code" href="classSequence.html" title="An eagerly evaluated result of a query execution.">Sequence</a>;
<a name="l00031"></a>00031 <span class="keyword">class </span><a class="code" href="classResult.html" title="A scoped pointer wrapper for the lazily evaluated query result.">Result</a>;
<a name="l00032"></a>00032 <span class="keyword">class </span>ResultBufferImpl;
<a name="l00033"></a>00033
<a name="l00035"></a><a class="code" href="classResultImpl.html">00035</a> <span class="keyword">class </span>XQILLA_API <a class="code" href="classResultImpl.html" title="A lazily evaluated query result.">ResultImpl</a> : <span class="keyword">public</span> <a class="code" href="classLocationInfo.html" title="A class that gives records a location in the query.">LocationInfo</a>
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <span class="keyword">public</span>:
<a name="l00038"></a><a class="code" href="classResultImpl.html#8f4c0a79354b00cfcf58b2ef3100bf57">00038</a> <span class="keyword">virtual</span> ~<a class="code" href="classResultImpl.html" title="A lazily evaluated query result.">ResultImpl</a>() {}
<a name="l00039"></a>00039
<a name="l00040"></a><a class="code" href="classResultImpl.html#fe6b26d2f92bd9a494c60ff2c21dbbac">00040</a> <a class="code" href="classResult.html" title="A scoped pointer wrapper for the lazily evaluated query result.">Result</a> *getResultPointer() { <span class="keywordflow">return</span> resultPointer_; }
<a name="l00041"></a><a class="code" href="classResultImpl.html#6f4ce236cfd8dba22738c3718e0cda4c">00041</a> <span class="keywordtype">void</span> setResultPointer(<a class="code" href="classResult.html" title="A scoped pointer wrapper for the lazily evaluated query result.">Result</a> *p) { resultPointer_ = p; }
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<a name="l00042"></a>00042
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<a name="l00044"></a>00044 <span class="keyword">virtual</span> <a class="code" href="classRefCountPointer.html" title="Super class of all the reference counted wrappers for Items.">Item::Ptr</a> next(<a class="code" href="classDynamicContext.html" title="The execution time dynamic context interface.">DynamicContext</a> *context);
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<a name="l00045"></a>00045
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<a name="l00047"></a>00047 <span class="keyword">virtual</span> <a class="code" href="classRefCountPointer.html" title="Super class of all the reference counted wrappers for Items.">Item::Ptr</a> nextOrTail(<a class="code" href="classResult.html" title="A scoped pointer wrapper for the lazily evaluated query result.">Result</a> &amp;tail, <a class="code" href="classDynamicContext.html" title="The execution time dynamic context interface.">DynamicContext</a> *context);
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<a name="l00048"></a>00048
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<a name="l00050"></a>00050 <span class="keyword">virtual</span> <a class="code" href="classSequence.html" title="An eagerly evaluated result of a query execution.">Sequence</a> toSequence(<a class="code" href="classDynamicContext.html" title="The execution time dynamic context interface.">DynamicContext</a> *context);
<a name="l00051"></a>00051
<a name="l00053"></a>00053 <span class="keyword">virtual</span> ResultBufferImpl *toResultBuffer(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> readCount);
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keyword">protected</span>:
<a name="l00056"></a>00056 <a class="code" href="classResultImpl.html" title="A lazily evaluated query result.">ResultImpl</a>(<span class="keyword">const</span> <a class="code" href="classLocationInfo.html" title="A class that gives records a location in the query.">LocationInfo</a> *o);
<a name="l00057"></a>00057
<a name="l00058"></a><a class="code" href="classResultImpl.html#e9e8cbdcfea2cff7ea65fc014bc5ea13">00058</a> <a class="code" href="classResult.html" title="A scoped pointer wrapper for the lazily evaluated query result.">Result</a> *resultPointer_;
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<a name="l00059"></a>00059
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<a name="l00060"></a>00060 <span class="keyword">private</span>:
<a name="l00061"></a>00061 <a class="code" href="classResultImpl.html" title="A lazily evaluated query result.">ResultImpl</a>(<span class="keyword">const</span> <a class="code" href="classResultImpl.html" title="A lazily evaluated query result.">ResultImpl</a> &amp;) {};
<a name="l00062"></a>00062 <a class="code" href="classResultImpl.html" title="A lazily evaluated query result.">ResultImpl</a> &amp;operator=(<span class="keyword">const</span> <a class="code" href="classResultImpl.html" title="A lazily evaluated query result.">ResultImpl</a> &amp;) { <span class="keywordflow">return</span> *<span class="keyword">this</span>; };
<a name="l00063"></a>00063 };
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="preprocessor">#endif</span>
</pre></div></div>
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