XrdOucRash< K, V > Class Template Reference

#include <XrdOucRash.hh>

Collaboration diagram for XrdOucRash< K, V >:

Public Member Functions
	XrdOucRash ()
	~XrdOucRash ()
V *	Add (K KeyVal, V &KeyData, time_t LifeTime=0, XrdOucRash_Options opt=Rash_default)
V *	Apply (int(*func)(K, V, void *), void *Arg)
int	Del (K KeyVal)
V *	Find (K KeyVal, time_t *KeyTime=0)
int	Num ()
void	Purge ()
V *	Rep (K KeyVal, V &KeyData, const int LifeTime=0, XrdOucRash_Options opt=Rash_default)

Detailed Description

template<typename K, typename V>
class XrdOucRash< K, V >

Definition at line 112 of file XrdOucRash.hh.

Constructor & Destructor Documentation

XrdOucRash()

template<typename K, typename V>

XrdOucRash< K, V >::XrdOucRash ( )

inline

Definition at line 166 of file XrdOucRash.hh.

{rashnum = 0;}

~XrdOucRash()

template<typename K, typename V>

XrdOucRash< K, V >::~XrdOucRash ( )

inline

Definition at line 167 of file XrdOucRash.hh.

{Purge();}

References Purge().

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Member Function Documentation

Add()

template<typename K, typename V>

V * XrdOucRash< K, V >::Add	(	K	KeyVal,
		V &	KeyData,
		time_t	LifeTime = 0,
		XrdOucRash_Options	opt = Rash_default )

Definition at line 39 of file XrdOucRash.icc.

{
    time_t lifetime, KeyTime=0;
    XrdOucRash_Item<K,V> *hip;
    XrdOucRash_Tent<K,V> *hiploc;
 
// Look up the entry. If found, either return an error or delete it
// because caller wanted it replaced or it has expired.
//
   if ((hip = Lookup(KeyVal, &hiploc)))
       {if (opt & Rash_count)
           {hip->Update(hip->Count()+1, 
                       (LifeTime || hip->Time() ? LifeTime + time(0) : 0) );}
        if (!(opt & Rash_replace)
        && ((lifetime=hip->Time())==0||lifetime>=time(0))) return hip->Data();
        hip->Set(KeyData, KeyTime);
        return (V *)0;
       }
 
// Create a new item
//
   if (LifeTime) KeyTime = LifeTime + time(0);
   if ( !(hip = new XrdOucRash_Item<K,V>(KeyVal, KeyData, KeyTime)) )
      throw ENOMEM;
 
// Add this item to the table
//
    Insert(KeyVal, hip);
    return (V *)0;
}

References XrdOucRash_Item< K, V >::Count(), XrdOucRash_Item< K, V >::Data(), Rash_count, Rash_replace, XrdOucRash_Item< K, V >::Set(), XrdOucRash_Item< K, V >::Time(), and XrdOucRash_Item< K, V >::Update().

Referenced by Rep().

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Apply()

template<typename K, typename V>

V * XrdOucRash< K, V >::Apply ( int(* func )(K, V, void *), void * Arg )

inline

Definition at line 163 of file XrdOucRash.hh.

                  {return Apply(rashTable, func, Arg);}

References Apply().

Referenced by Apply().

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Del()

template<typename K, typename V>

int XrdOucRash< K, V >::Del

(

K

KeyVal

)

Definition at line 76 of file XrdOucRash.icc.

{
    XrdOucRash_Item<K,V> *hip;
    XrdOucRash_Tent<K,V> *hiploc;
    int cnt;
 
// Look up the entry. If not found, indicate so.
//
   if (!(hip = Lookup(KeyVal, &hiploc))) return -ENOENT;
 
// Delete the item and return
//
   if ((cnt = hip->Count())) {hip->Update(cnt-1, 0); return cnt;}
   delete hip; 
   hiploc->Item = (XrdOucRash_Item<K,V> *)0;
   rashnum--;
   return 0;
  
}

References XrdOucRash_Item< K, V >::Count(), XrdOucRash_Tent< K, V >::Item, and XrdOucRash_Item< K, V >::Update().

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Find()

template<typename K, typename V>

V * XrdOucRash< K, V >::Find	(	K	KeyVal,
		time_t *	KeyTime = 0 )

Definition at line 101 of file XrdOucRash.icc.

{
  XrdOucRash_Item<K,V> *hip;
  XrdOucRash_Tent<K,V> *hiploc;
  time_t lifetime = 0;
 
// Find the entry (remove it if expired and return nothing)
//
   if (!(hip = Lookup(KeyVal, &hiploc))) return (V *)0;
   if ( (lifetime = hip->Time()) && lifetime < time(0) )
      {delete hip;
       hiploc->Item = (XrdOucRash_Item<K,V> *)0;
       rashnum--;
       if (KeyTime) *KeyTime = (time_t)0;
       return (V *)0;
      }
 
// Return actual information
//
   if (KeyTime) *KeyTime = lifetime;
   return hip->Data();
}

References XrdOucRash_Item< K, V >::Data(), XrdOucRash_Tent< K, V >::Item, and XrdOucRash_Item< K, V >::Time().

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Num()

template<typename K, typename V>

int XrdOucRash< K, V >::Num ( )

inline

Definition at line 142 of file XrdOucRash.hh.

{return rashnum;}

Purge()

template<typename K, typename V>

void XrdOucRash< K, V >::Purge

(

)

Definition at line 129 of file XrdOucRash.icc.

{
     int i;
 
// Run through the major table and delete each item in the main table
// the deletion automatically propagates.
//
   for (i = 0; i < 16; i++)
       {if (rashTable[i].Item)
           {delete rashTable[i].Item;  rashTable[i].Item  = 0;}
        if (rashTable[i].Table)
           {delete []rashTable[i].Table; rashTable[i].Table = 0;}
       }
   rashnum = 0;
}

Referenced by ~XrdOucRash().

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Rep()

template<typename K, typename V>

V * XrdOucRash< K, V >::Rep ( K KeyVal, V & KeyData, const int LifeTime = 0, XrdOucRash_Options opt = Rash_default )

inline

Definition at line 150 of file XrdOucRash.hh.

                {return Add(KeyVal, KeyData, LifeTime, 
                           (XrdOucRash_Options)(opt | Rash_replace));}

References Add(), Rash_default, and Rash_replace.

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The documentation for this class was generated from the following files:

• XrdOucRash.hh
• XrdOucRash.icc