Main Page | Modules | Namespace List | Class Hierarchy | Alphabetical List | Class List | Directories | File List | Namespace Members | Class Members | File Members | Related Pages

DbiRollbackDates Class Reference

Concept A register of rollback dates organised by table name Purpose Simplify rollback date management by extracting info. from DBI registry and serving by table name More...

#include <DbiRollbackDates.h>

List of all members.

Public Types

typedef std::map< std::string,
std::string > 		name_map_t

Public Member Functions

 DbiRollbackDates ()
virtual ~DbiRollbackDates ()
const std::string & GetDate (const std::string &tableName) const
const std::string & GetType (const std::string &tableName) const
void Show () const
void Clear ()
void Set (Registry &reg)

Private Attributes

name_map_t fTableToDate
 Look-up table name -> date string.
name_map_t fTableToType
 Look-up table name -> time type (either "INSERTDATE" [default] or "CREATIONDATE").

Detailed Description

Concept A register of rollback dates organised by table name Purpose Simplify rollback date management by extracting info. from DBI registry and serving by table name

Id
DbiRollbackDates.h,v 1.5 2008/01/30 16:42:35 nwest Exp

DatabaseInterface

Contact: n.west1@physics.ox.ac.uk

Definition at line 35 of file DbiRollbackDates.h.

Member Typedef Documentation

typedef std::map<std::string,std::string> DbiRollbackDates::name_map_t
 

Definition at line 40 of file DbiRollbackDates.h.

Constructor & Destructor Documentation

DbiRollbackDates::DbiRollbackDates (   ) 
 

Definition at line 31 of file DbiRollbackDates.cxx.

References LEA_CTOR, and MSG.

00032 {
00033 //
00034 //
00035 //  Purpose:  Default constructor
00036 //
00037 //  Contact:   N. West
00038 //
00039 //  Specification:-
00040 //  =============
00041 //
00042 //  o Create DbiRollbackDates.
00043 
00044 
00045 //  Program Notes:-
00046 //  =============
00047 
00048 //  None.
00049 
00050   LEA_CTOR    //Leak Checker
00051 
00052     MSG("Dbi", Msg::kVerbose) << "Creating DbiRollbackDates" << endl;
00053 }

DbiRollbackDates::~DbiRollbackDates (   )  [virtual]
 

Definition at line 56 of file DbiRollbackDates.cxx.

References LEA_DTOR, and MSG.

00056                                     {
00057 //
00058 //
00059 //  Contact:   N. West
00060 //
00061 //  Specification:-
00062 //  =============
00063 //
00064 //  o  Destroy DbiRollbackDates.
00065 
00066 
00067   LEA_DTOR    //Leak Checker
00068 
00069   MSG("Dbi", Msg::kVerbose) << "Destroying DbiRollbackDates" << endl;
00070 
00071 }

Member Function Documentation

void DbiRollbackDates::Clear (   )  [inline]
 

Definition at line 54 of file DbiRollbackDates.h.

Referenced by DbiTableProxyRegistry::ClearRollbackDates().

00054 {fTableToDate.clear(); fTableToType.clear();}

const std::string & DbiRollbackDates::GetDate (  const std::string &  tableName  )  const
 

Definition at line 74 of file DbiRollbackDates.cxx.

References UtilString::cmp_wildcard(), and fTableToDate.

Referenced by DbiTableProxyRegistry::ApplySqlCondition().

00074                                                                            {
00075 //
00076 //
00077 //  Purpose:  Return rollback date associated with named table.
00078 //
00079 //  Contact:   N. West
00080 
00081 //  Program Notes:-
00082 //  =============
00083 
00084 //  Search in reverse order so that specific entries are processed
00085 //  before generic (i.e. ones that end in wildcard *).
00086 
00087   static std::string date;
00088 
00089   name_map_t::const_reverse_iterator itr    = fTableToDate.rbegin(); 
00090   name_map_t::const_reverse_iterator itrEnd = fTableToDate.rend();
00091   for (; itr != itrEnd; ++itr)
00092     if ( ! UtilString::cmp_wildcard(tableName,itr->first)
00093        ) return itr->second;
00094   return date;
00095 }

const std::string & DbiRollbackDates::GetType (  const std::string &  tableName  )  const
 

Definition at line 98 of file DbiRollbackDates.cxx.

References UtilString::cmp_wildcard(), and fTableToType.

Referenced by DbiTableProxyRegistry::ApplySqlCondition().

00098                                                                            {
00099 //
00100 //
00101 //  Purpose:  Return rollback time type associated with named table.
00102 //
00103 //  Contact:   N. West
00104 
00105 //  Program Notes:-
00106 //  =============
00107 
00108 //  Search in reverse order so that specific entries are processed
00109 //  before generic (i.e. ones that end in wildcard *).
00110 
00111   static std::string type("INSERTDATE");  // The default type
00112 
00113   name_map_t::const_reverse_iterator itr    = fTableToType.rbegin(); 
00114   name_map_t::const_reverse_iterator itrEnd = fTableToType.rend();
00115   for (; itr != itrEnd; ++itr)
00116     if ( ! UtilString::cmp_wildcard(tableName,itr->first)
00117        ) return itr->second;
00118   return type;
00119 }

void DbiRollbackDates::Set (  Registry &  reg  ) 
 

Definition at line 122 of file DbiRollbackDates.cxx.

References fTableToDate, fTableToType, Registry::Get(), Dbi::MakeDateTimeString(), MSG, reg, Registry::RemoveKey(), and Show().

Referenced by DbiTableProxyRegistry::Config().

00122                                         {
00123 //
00124 //
00125 //  Purpose:  Extract Rollback dates from Registry.
00126 //
00127 //  Arguments: 
00128 //    reg          in    Registry containing "Rollback:" and "RollbackType:" keys.
00129 //                 out   Updated Registry with these keys removed.
00130 //
00131 //  Contact:   N. West
00132 //
00133 //  Specification:-
00134 //  =============
00135 //
00136 //  o Extract Rollback dates from Registry.
00137 
00138   Registry::RegistryKey keyItr(&reg);
00139  
00140   Bool_t  hasChanged = kFALSE;
00141 
00142   const char* key = keyItr();
00143   while ( key ) {
00144 
00145     const char* nextKey =  keyItr();
00146 
00147     // Process Rollback keys
00148 
00149     if ( ! strncmp("Rollback:",key,9) ) {
00150       std::string tableName = key+9;
00151       std::string date;
00152       const char* dateChars = 0;
00153       bool  ok = reg.Get(key,dateChars);
00154       if ( ok ) {
00155         date = dateChars;
00156         VldTimeStamp ts(Dbi::MakeTimeStamp(date,&ok));
00157         date = Dbi::MakeDateTimeString(ts);
00158       }
00159       if ( ok ) {
00160 
00161         // Prune away any trailing spaces - they cause SQL
00162         // to fail expressions involving the date.
00163         int loc = date.size()-1;
00164         while ( loc && date[loc] == ' ' ) date.erase(loc--);
00165 
00166         fTableToDate[tableName] = date;
00167         hasChanged = kTRUE;
00168  
00169       }
00170       else MSG("Dbi",Msg::kWarning) 
00171         << "Illegal Rollback registry item: " << key
00172         << " = " << dateChars << endl;
00173       reg.RemoveKey(key);
00174     }
00175 
00176     // Process RollbackType keys
00177 
00178     else if ( ! strncmp("RollbackType:",key,13) ) {
00179       std::string tableName = key+13;
00180       TString type;
00181       const char* typeChars = 0;
00182       bool  ok = reg.Get(key,typeChars);
00183       if ( ok ) {
00184         // Convert to upper case and remove any leading or trailing spaces
00185         type = typeChars;
00186         type.ToUpper();
00187         type = type.Strip(TString::kBoth);
00188         ok = ! type.CompareTo("INSERTDATE") || ! type.CompareTo("CREATIONDATE");
00189       }
00190       if ( ok ) {
00191         fTableToType[tableName] = type.Data();
00192         hasChanged = kTRUE;
00193       }
00194       else MSG("Dbi",Msg::kWarning) 
00195         << "Illegal RollbackType registry item: " << key
00196         << " = " << typeChars << endl;
00197       reg.RemoveKey(key);
00198     }
00199     key = nextKey;
00200   }
00201 
00202   if ( hasChanged ) this->Show();
00203 }

void DbiRollbackDates::Show (   )  const
 

Definition at line 206 of file DbiRollbackDates.cxx.

References fTableToDate, fTableToType, and MSGSTREAM.

Referenced by Set().

00206                                   {
00207 //
00208 //
00209 //  Purpose:  Print out the current Rollback date status.
00210 //
00211 //
00212 //  Contact:   N. West
00213 //
00214 
00215   MsgStream msg = MSGSTREAM("Dbi",Msg::kInfo);
00216   msg << "\n\nRollback Status:  ";
00217   if ( fTableToDate.size() == 0 ) msg <<"Not enabled" << endl;
00218   else {
00219     msg << "\n\n  Dates:- " << endl;
00220     name_map_t::const_reverse_iterator itr    = fTableToDate.rbegin(); 
00221     name_map_t::const_reverse_iterator itrEnd = fTableToDate.rend();
00222     for (; itr != itrEnd; ++itr) {
00223       std::string name = itr->first;
00224       if ( name.size() < 30 ) name.append(30-name.size(),' ');
00225       msg <<"    " << name << "  " << itr->second << endl;
00226     }
00227     msg << "\n  Rollback Type is 'INSERTDATE'";
00228     if ( fTableToType.size() ) {
00229       msg << " except as follows:- " << endl;
00230       itr    = fTableToType.rbegin(); 
00231       itrEnd = fTableToType.rend();
00232       for (; itr != itrEnd; ++itr) {
00233         std::string name = itr->first;
00234         if ( name.size() < 30 ) name.append(30-name.size(),' ');
00235         msg <<"    " << name << "  " << itr->second << endl;
00236       }
00237     }
00238     msg << endl;
00239   } 
00240 }

Member Data Documentation

name_map_t DbiRollbackDates::fTableToDate [private]
 

Look-up table name -> date string.

Definition at line 62 of file DbiRollbackDates.h.

Referenced by GetDate(), Set(), and Show().

name_map_t DbiRollbackDates::fTableToType [private]
 

Look-up table name -> time type (either "INSERTDATE" [default] or "CREATIONDATE").

Definition at line 64 of file DbiRollbackDates.h.

Referenced by GetType(), Set(), and Show().

The documentation for this class was generated from the following files:
Generated on Mon Feb 15 11:09:04 2010 for loon by  doxygen 1.3.9.1