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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>class.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.2.18 --><center><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_NAMESPACE00023 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"> *dbDescribeField(new 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"> *dbDescribeRawField(new 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"> *dbDescribeField(new 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"> *dbDescribeField(new dbFieldDescriptor(#x, (char*)&x-(char*)this, \</span>00117 <span class="preprocessor"> sizeof(x), INDEXED, #inverse), x)</span>00118 <span class="preprocessor"></span> 00119 00125 <span class="preprocessor">#define OWNER(x,member) \</span>00126 <span class="preprocessor"> *dbDescribeField(new dbFieldDescriptor(#x, (char*)&x-(char*)this, \</span>00127 <span class="preprocessor"> sizeof(x), 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"> *dbDescribeMethod(new 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"> dbFieldDescriptor* dbDescribeComponents(dbFieldDescriptor*) { \</span>00147 <span class="preprocessor"> return &fields; \</span>00148 <span class="preprocessor"> } \</span>00149 <span class="preprocessor"> static 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"> dbFieldDescriptor* dbDescribeComponents(dbFieldDescriptor*) { \</span>00160 <span class="preprocessor"> return &fields; \</span>00161 <span class="preprocessor"> } \</span>00162 <span class="preprocessor"> static dbTableDescriptor dbDescriptor </span>00163 <span class="preprocessor"></span>00167 <span class="preprocessor">#define REGISTER_IN(table, database) \</span>00168 <span class="preprocessor"> dbTableDescriptor* dbGetTableDescriptor(table*) \</span>00169 <span class="preprocessor"> { return &table::dbDescriptor; } \</span>00170 <span class="preprocessor"> static dbFieldDescriptor* dbDescribeComponentsOf##table() \</span>00171 <span class="preprocessor"> { return ((table*)0)->dbDescribeComponents(NULL); } \</span>00172 <span class="preprocessor"> 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 ((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 ⌨️ 快捷键说明
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