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<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> </center>
<hr><h1>class.h</h1><div class="fragment"><pre>00001 <span class="comment">//-< CLASS.H >-------------------------------------------------------*--------*</span>
00002 <span class="comment">// FastDB Version 1.0 (c) 1999 GARRET * ? *</span>
00003 <span class="comment">// (Main Memory Database Management System) * /\| *</span>
00004 <span class="comment">// * / \ *</span>
00005 <span class="comment">// Created: 20-Nov-98 K.A. Knizhnik * / [] \ *</span>
00006 <span class="comment">// Last update: 10-Dec-98 K.A. Knizhnik * GARRET *</span>
00007 <span class="comment">//-------------------------------------------------------------------*--------*</span>
00008 <span class="comment">// Metaclass information</span>
00009 <span class="comment">//-------------------------------------------------------------------*--------*</span>
00010
00011 <span class="preprocessor">#ifndef __CLASS_H__</span>
00012 <span class="preprocessor"></span><span class="preprocessor">#define __CLASS_H__</span>
00013 <span class="preprocessor"></span>
00014 <span class="preprocessor">#include "stdtp.h"</span>
00015 <span class="preprocessor">#include "sync.h"</span>
00016 <span class="preprocessor">#include "rectangle.h"</span>
00017
00018 <span class="preprocessor">#ifdef USE_STD_STRING</span>
00019 <span class="preprocessor"></span><span class="preprocessor">#include <string></span>
00020 <span class="preprocessor">#endif</span>
00021 <span class="preprocessor"></span>
00022 BEGIN_FASTDB_NAMESPACE
00023
00024 <span class="preprocessor">#ifndef dbDatabaseOffsetBits </span>
00025 <span class="preprocessor"></span><span class="preprocessor">#define dbDatabaseOffsetBits 32</span>
00026 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00027 <span class="preprocessor"></span>
00028 <span class="preprocessor">#ifndef dbDatabaseOidBits </span>
00029 <span class="preprocessor"></span><span class="preprocessor">#define dbDatabaseOidBits 32</span>
00030 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00031 <span class="preprocessor"></span>
00035 <span class="preprocessor">#if dbDatabaseOidBits > 32</span>
00036 <span class="preprocessor"></span><span class="keyword">typedef</span> size_t oid_t; <span class="comment">// It will work only for 64-bit OS</span>
00037 <span class="preprocessor">#else</span>
00038 <span class="preprocessor"></span><span class="keyword">typedef</span> nat4 oid_t;
00039 <span class="preprocessor">#endif</span>
00040 <span class="preprocessor"></span>
00044 <span class="preprocessor">#if dbDatabaseOffsetBits > 32</span>
00045 <span class="preprocessor"></span><span class="keyword">typedef</span> size_t offs_t; <span class="comment">// It will work only for 64-bit OS</span>
00046 <span class="preprocessor">#else</span>
00047 <span class="preprocessor"></span><span class="keyword">typedef</span> nat4 offs_t;
00048 <span class="preprocessor">#endif</span>
00049 <span class="preprocessor"></span>
00053 <span class="keyword">enum</span> dbIndexType {
00054 HASHED = 1, <span class="comment">// hash table</span>
00055 INDEXED = 2, <span class="comment">// T-tree</span>
00056
00057 DB_FIELD_CASCADE_DELETE = 8, <span class="comment">// Used by OWNER macro, do not set it explicitly</span>
00058
00059 AUTOINCREMENT = 16, <span class="comment">// field is assigned automaticall incremented value</span>
00060
00061 DB_TIMESTAMP = 256, <span class="comment">// field is used as timestamp (this flag is used by CLI to perfrom proper mapping,</span>
00062 <span class="comment">// it is not used by C++ API)</span>
00063 DB_FIELD_INHERITED_MASK = ~(HASHED|INDEXED)
00064 };
00065
00066
00070 <span class="preprocessor">#define KEY(x, index) \</span>
00071 <span class="preprocessor"> *FASTDB_NS::dbDescribeField(new FASTDB_NS::dbFieldDescriptor(#x, (char*)&x-(char*)this, \</span>
00072 <span class="preprocessor"> sizeof(x), index), x)</span>
00073 <span class="preprocessor"></span>
00077 <span class="preprocessor">#define FIELD(x) KEY(x, 0)</span>
00078 <span class="preprocessor"></span>
00082 <span class="keyword">typedef</span> int (*dbUDTComparator)(<span class="keywordtype">void</span>*, <span class="keywordtype">void</span>*, size_t);
00083
00087 <span class="preprocessor">#define UDT(x, index, comparator) \</span>
00088 <span class="preprocessor"> *FASTDB_NS::dbDescribeRawField(new FASTDB_NS::dbFieldDescriptor(#x, (char*)&x-(char*)this, \</span>
00089 <span class="preprocessor"> sizeof(x), index), (dbUDTComparator)comparator)</span>
00090 <span class="preprocessor"></span>
00094 <span class="preprocessor">#define RAWFIELD(x) UDT(x, 0, &memcmp)</span>
00095 <span class="preprocessor"></span>
00099 <span class="preprocessor">#define RAWKEY(x, index) UDT(x, index, &memcmp)</span>
00100 <span class="preprocessor"></span>
00106 <span class="preprocessor">#define RELATION(x,inverse) \</span>
00107 <span class="preprocessor"> *FASTDB_NS::dbDescribeField(new FASTDB_NS::dbFieldDescriptor(#x, (char*)&x-(char*)this, \</span>
00108 <span class="preprocessor"> sizeof(x), 0, #inverse), x)</span>
00109 <span class="preprocessor"></span>
00115 <span class="preprocessor">#define INDEXED_RELATION(x,inverse) \</span>
00116 <span class="preprocessor"> *FASTDB_NS::dbDescribeField(new FASTDB_NS::dbFieldDescriptor(#x, (char*)&x-(char*)this, \</span>
00117 <span class="preprocessor"> sizeof(x), FASTDB_NS::INDEXED, #inverse), x)</span>
00118 <span class="preprocessor"></span>
00119
00125 <span class="preprocessor">#define OWNER(x,member) \</span>
00126 <span class="preprocessor"> *FASTDB_NS::dbDescribeField(new FASTDB_NS::dbFieldDescriptor(#x, (char*)&x-(char*)this, \</span>
00127 <span class="preprocessor"> sizeof(x), FASTDB_NS::DB_FIELD_CASCADE_DELETE, \</span>
00128 <span class="preprocessor"> #member), x)</span>
00129 <span class="preprocessor"></span>
00132 <span class="preprocessor">#define METHOD(x) \</span>
00133 <span class="preprocessor"> *FASTDB_NS::dbDescribeMethod(new FASTDB_NS::dbFieldDescriptor(#x), &self::x)</span>
00134 <span class="preprocessor"></span>
00138 <span class="preprocessor">#define SUPERCLASS(x) \</span>
00139 <span class="preprocessor"> x::dbDescribeComponents(NULL)->adjustOffsets((char*)((x*)this)-(char*)this)</span>
00140 <span class="preprocessor"></span>
00145 <span class="preprocessor">#define TYPE_DESCRIPTOR(fields) \</span>
00146 <span class="preprocessor"> FASTDB_NS::dbFieldDescriptor* dbDescribeComponents(FASTDB_NS::dbFieldDescriptor*) { \</span>
00147 <span class="preprocessor"> return &fields; \</span>
00148 <span class="preprocessor"> } \</span>
00149 <span class="preprocessor"> static FASTDB_NS::dbTableDescriptor dbDescriptor </span>
00150 <span class="preprocessor"></span>
00151
00157 <span class="preprocessor">#define CLASS_DESCRIPTOR(name, fields) \</span>
00158 <span class="preprocessor"> typedef name self; \</span>
00159 <span class="preprocessor"> FASTDB_NS::dbFieldDescriptor* dbDescribeComponents(FASTDB_NS::dbFieldDescriptor*) { \</span>
00160 <span class="preprocessor"> return &fields; \</span>
00161 <span class="preprocessor"> } \</span>
00162 <span class="preprocessor"> static FASTDB_NS::dbTableDescriptor dbDescriptor </span>
00163 <span class="preprocessor"></span>
00167 <span class="preprocessor">#define REGISTER_IN(table, database) \</span>
00168 <span class="preprocessor"> FASTDB_NS::dbTableDescriptor* dbGetTableDescriptor(table*) \</span>
00169 <span class="preprocessor"> { return &table::dbDescriptor; } \</span>
00170 <span class="preprocessor"> static FASTDB_NS::dbFieldDescriptor* dbDescribeComponentsOf##table() \</span>
00171 <span class="preprocessor"> { return ((table*)0)->dbDescribeComponents(NULL); } \</span>
00172 <span class="preprocessor"> FASTDB_NS::dbTableDescriptor table::dbDescriptor(#table, database, sizeof(table), \</span>
00173 <span class="preprocessor"> &dbDescribeComponentsOf##table)</span>
00174 <span class="preprocessor"></span>
00179 <span class="preprocessor">#define REGISTER(table) REGISTER_IN(table, NULL)</span>
00180 <span class="preprocessor"></span>
00185 <span class="preprocessor">#define DETACHED_TABLE ((FASTDB_NS::dbDatabase*)-1)</span>
00186 <span class="preprocessor"></span><span class="preprocessor">#define REGISTER_UNASSIGNED(table) REGISTER_IN(table, DETACHED_TABLE)</span>
00187 <span class="preprocessor"></span>
00188
00189 <span class="keyword">class </span><a class="code" href="classdbTable.html">dbTable</a>;
00190 <span class="keyword">class </span><a class="code" href="classdbDatabase.html">dbDatabase</a>;
00191 <span class="keyword">class </span><a class="code" href="classdbAnyArray.html">dbAnyArray</a>;
00192 <span class="keyword">class </span><a class="code" href="classdbTableDescriptor.html">dbTableDescriptor</a>;
00193 <span class="keyword">class </span><a class="code" href="classdbAnyMethodTrampoline.html">dbAnyMethodTrampoline</a>;
00194
<a name="l00198"></a><a class="code" href="classdbFieldDescriptor.html">00198</a> <span class="keyword">class </span>FASTDB_DLL_ENTRY <a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a> {
00199 <span class="keyword">public</span>:
<a name="l00203"></a><a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm0">00203</a> <a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* next;
<a name="l00207"></a><a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm1">00207</a> <a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* prev;
00208
<a name="l00212"></a><a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm2">00212</a> <a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* nextField;
00213
<a name="l00217"></a><a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm3">00217</a> <a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* nextHashedField;
00218
<a name="l00222"></a><a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm4">00222</a> <a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* nextIndexedField;
00223
<a name="l00227"></a><a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm5">00227</a> <a class="code" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* nextInverseField;
00228
<a name="l00232"></a><a class="code" href="classdbFieldDescriptor.html#dbFieldDescriptorm6">00232</a> <span class="keywordtype">int</span> fieldNo;
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