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俄罗斯牛人KK的作品,著名的ORDBMS,这里上传最新的3.39版本源代码.希望了解对象关系数据库的同好,请不要错过.

01105     <span class="keywordflow">return</span> fd;
01106 }
01107 <span class="preprocessor">#endif</span>
01108 <span class="preprocessor"></span><span class="keyword">inline</span> <a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* dbDescribeField(<a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* fd, <span class="keywordtype">char</span> <span class="keyword">const</span>*&amp;) 
01109 { 
01110     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm14">type</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm15">appType</a> = dbField::tpString; 
01111     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm22">dbsSize</a> = <span class="keyword">sizeof</span>(dbVarying); 
01112     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm24">alignment</a> = 4;
01113     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm19">components</a> = <span class="keyword">new</span> <a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>(<span class="stringliteral">"[]"</span>);
01114     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm19">components</a>-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm14">type</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm19">components</a>-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm15">appType</a> = dbField::tpInt1;
01115     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm19">components</a>-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm22">dbsSize</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm19">components</a>-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm23">appSize</a> = 1;
01116     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm19">components</a>-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm24">alignment</a> = 1; 
01117     <span class="keywordflow">return</span> fd;
01118 }
01119 <span class="keyword">inline</span> <a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* dbDescribeField(<a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* fd, <span class="keywordtype">char</span>*&amp;) 
01120 { 
01121     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm14">type</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm15">appType</a> = dbField::tpString; 
01122     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm22">dbsSize</a> = <span class="keyword">sizeof</span>(dbVarying); 
01123     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm24">alignment</a> = 4;
01124     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm19">components</a> = <span class="keyword">new</span> <a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>(<span class="stringliteral">"[]"</span>);
01125     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm19">components</a>-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm14">type</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm19">components</a>-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm15">appType</a> = dbField::tpInt1;
01126     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm19">components</a>-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm22">dbsSize</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm19">components</a>-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm23">appSize</a> = 1;
01127     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm19">components</a>-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm24">alignment</a> = 1; 
01128     <span class="keywordflow">return</span> fd;
01129 }
01130 
01131 
<a name="l01135"></a><a class="code" href="classdbAnyMethodTrampoline.html">01135</a> <span class="keyword">class </span>FASTDB_DLL_ENTRY dbAnyMethodTrampoline { 
01136   <span class="keyword">public</span>:
01137     <a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* cls;
01138 
01144     <span class="keyword">virtual</span> <span class="keywordtype">void</span> invoke(byte* data, <span class="keywordtype">void</span>* result) = 0;
01145 
01152     <span class="keyword">virtual</span> dbAnyMethodTrampoline* optimize() = 0;
01153 
<a name="l01158"></a><a class="code" href="classdbAnyMethodTrampoline.html#dbAnyMethodTrampolinea2">01158</a>     dbAnyMethodTrampoline(<a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* fd) { cls = fd; }
01159     
01160     <span class="keywordtype">void</span>* operator new(size_t size EXTRA_DEBUG_NEW_PARAMS);
01161     <span class="keywordtype">void</span>  operator delete(<span class="keywordtype">void</span>* p EXTRA_DEBUG_NEW_PARAMS);
01162 
01166     <span class="keyword">virtual</span>~dbAnyMethodTrampoline();
01167 };
01168     
01169 
01170 <span class="preprocessor">#if defined(__APPLE__) || defined(__VACPP_MULTI__) || defined(__IBMCPP__) || defined(__HP_aCC) || (defined(__SUNPRO_CC) &amp;&amp; __SUNPRO_CC &gt;= 0x510 &amp;&amp; __SUNPRO_CC_COMPAT == 5)</span>
01171 <span class="preprocessor"></span>
01174 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> R&gt;
01175 <span class="keyword">class </span><a class="code" href="classdbMethodTrampoline.html">dbMethodTrampoline</a> : <span class="keyword">public</span> dbAnyMethodTrampoline {
01176   <span class="keyword">public</span>:
01177     <span class="keyword">typedef</span> R (T::*mfunc)();
01178 
01179     mfunc              method;
01180     <a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* cls;
01181     <span class="keywordtype">bool</span>               optimized;
01182 
01183     <span class="keywordtype">void</span> <a class="code" href="classdbMethodTrampoline.html#dbMethodTrampolinea0">invoke</a>(byte* data, <span class="keywordtype">void</span>* result) {
01184         <span class="keywordflow">if</span> (optimized) { 
01185             *(R*)result = (((T*)(data + this-&gt;cls-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm17">dbsOffs</a>))-&gt;*method)();
01186         } <span class="keywordflow">else</span> { 
01187             T rec;
01188             this-&gt;cls-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm19">components</a>-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptora7">fetchRecordFields</a>((byte*)&amp;rec, data);
01189             *(R*)result = (rec.*method)();
01190         }
01191     }
01192     dbAnyMethodTrampoline* <a class="code" href="classdbMethodTrampoline.html#dbMethodTrampolinea1">optimize</a>() { 
01193         optimized = <span class="keyword">true</span>;
01194         <span class="keywordflow">return</span> <span class="keyword">this</span>;
01195     }
01196 
01197     <a class="code" href="classdbMethodTrampoline.html">dbMethodTrampoline</a>(<a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* fd, mfunc f)
01198     : dbAnyMethodTrampoline(fd)
01199     {
01200         this-&gt;method = f;
01201         this-&gt;cls = fd;
01202         this-&gt;optimized = <span class="keyword">false</span>;
01203     }
01204 };
01205 
01206 <span class="preprocessor">#else</span>
01207 <span class="preprocessor"></span>
01211 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> R&gt;
<a name="l01212"></a><a class="code" href="classdbMethodTrampoline.html">01212</a> <span class="keyword">class </span><a class="code" href="classdbMethodTrampoline.html">dbMethodTrampoline</a> : <span class="keyword">public</span> dbAnyMethodTrampoline { 
01213   <span class="keyword">public</span>:
01214     <span class="keyword">typedef</span> R (T::*mfunc)();
01215     mfunc method;
<a name="l01216"></a><a class="code" href="classdbMethodTrampoline.html#dbMethodTrampolinea0">01216</a>     <span class="keywordtype">void</span> <a class="code" href="classdbMethodTrampoline.html#dbMethodTrampolinea0">invoke</a>(byte* data, <span class="keywordtype">void</span>* result) {
01217         T rec;
01218         this-&gt;cls-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm19">components</a>-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptora7">fetchRecordFields</a>((byte*)&amp;rec, data);
01219         *(R*)result = (rec.*method)();
01220     }
01221     dbAnyMethodTrampoline* <a class="code" href="classdbMethodTrampoline.html#dbMethodTrampolinea1">optimize</a>();
01222  
01223     <a class="code" href="classdbMethodTrampoline.html">dbMethodTrampoline</a>(<a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* fd, mfunc f) 
01224     : dbAnyMethodTrampoline(fd), method(f) {} 
01225 };
01226 
01227 
01232 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> R&gt;
<a name="l01233"></a><a class="code" href="classdbMethodFastTrampoline.html">01233</a> <span class="keyword">class </span><a class="code" href="classdbMethodFastTrampoline.html">dbMethodFastTrampoline</a> : <span class="keyword">public</span> dbAnyMethodTrampoline { 
01234     <span class="keyword">typedef</span> R (T::*mfunc)();
01235     mfunc method;
01236   <span class="keyword">public</span>:
<a name="l01237"></a><a class="code" href="classdbMethodFastTrampoline.html#dbMethodFastTrampolinea0">01237</a>     dbAnyMethodTrampoline* <a class="code" href="classdbMethodFastTrampoline.html#dbMethodFastTrampolinea0">optimize</a>() { 
01238         <span class="keywordflow">return</span> <span class="keyword">this</span>;
01239     }
<a name="l01240"></a><a class="code" href="classdbMethodFastTrampoline.html#dbMethodFastTrampolinea1">01240</a>     <span class="keywordtype">void</span> <a class="code" href="classdbMethodFastTrampoline.html#dbMethodFastTrampolinea1">invoke</a>(byte* data, <span class="keywordtype">void</span>* result) {
01241         *(R*)result = (((T*)(data + this-&gt;cls-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm17">dbsOffs</a>))-&gt;*method)();
01242     }
01243     <a class="code" href="classdbMethodFastTrampoline.html">dbMethodFastTrampoline</a>(<a class="code" href="classdbMethodTrampoline.html">dbMethodTrampoline&lt;T,R&gt;</a>* mt) 
01244     : dbAnyMethodTrampoline(mt-&gt;cls), method(mt-&gt;method) {
01245         <span class="keyword">delete</span> mt;
01246     }
01247 };
01248 
01249 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> R&gt;
<a name="l01250"></a><a class="code" href="classdbMethodTrampoline.html#dbMethodTrampolinea1">01250</a> <span class="keyword">inline</span> dbAnyMethodTrampoline* <a class="code" href="classdbMethodTrampoline.html#dbMethodTrampolinea1">dbMethodTrampoline&lt;T,R&gt;::optimize</a>() { 
01251     <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classdbMethodFastTrampoline.html">dbMethodFastTrampoline&lt;T,R&gt;</a>(this);
01252 }
01253     
01254 <span class="preprocessor">#endif</span>
01255 <span class="preprocessor"></span>
01256 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T, <span class="keyword">class</span> R&gt;
01257 <span class="keyword">inline</span> <a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* dbDescribeMethod(<a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* fd, R (T::*p)()) 
01258 { 
01259     R ret;
01260     dbDescribeField(fd, ret);
01261     assert(fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm14">type</a> &lt;= dbField::tpReference);
01262     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm15">appType</a> = fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm14">type</a> += dbField::tpMethodBool;
01263     fd-&gt;<a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm30">method</a> = <span class="keyword">new</span> <a class="code" href="classdbMethodTrampoline.html">dbMethodTrampoline&lt;T,R&gt;</a>(fd, p);
01264     <span class="keywordflow">return</span> fd;
01265 }
01266 
01267 END_FASTDB_NAMESPACE
01268 
01269 <span class="preprocessor">#endif</span>
01270 <span class="preprocessor"></span>
01271 
</pre></div><hr><address style="align: right;"><small>Generated on Mon Oct 23 13:23:57 2006 for FastDB by
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