Description: More...

#include <StorageSvc/DbAccessObj.h>

Collaboration diagram for pool::DbAccessObj< KEY, TYPE >:

Public Types
typedef DbAccessObj< KEY, TYPE >	Base
	Type definitions.
typedef std::map< KEY, TYPE * >	Keys
typedef Keys::iterator	iterator
typedef Keys::const_iterator	const_iterator

Public Member Functions
	DbAccessObj (const std::string &n, DbAccessMode m, const DbType &t, IOODatabase *s=0)
	Constructor with initializing arguments.
virtual	~DbAccessObj ()
	Standard destructor.
const std::string &	name () const
	Access the instance name.
void	setName (const std::string &n)
	Access the instance name.
DbAccessMode	mode () const
	Access mode.
void	setMode (DbAccessMode m)
	Set Access mode.
const DbType &	type () const
const IOODatabase *	db () const
	Allow access to the Database implementation.
IOODatabase *	db ()
int	refCount () const
	Access reference counter.
int	addRef () const
	Add reference count.
int	release () const
	Remove reference count.
size_t	size () const
	Object size.
DbStatus	clearEntries ()
	Object cleanup: remove all entries.
const TYPE *	find (const KEY &key) const
	Find object by key (CONST)
TYPE *	find (const KEY &key)
	Find object by key.
DbStatus	add (const KEY &key, TYPE *val)
	Add entry to container.
DbStatus	remove (const TYPE *val)
	Remove entry from container.
iterator	begin ()
const_iterator	begin () const
iterator	end ()
const_iterator	end () const

Private Attributes
std::atomic< int >	m_refCount
	Reference counter.
DbAccessMode	m_mode
	Access mode.
std::string	m_name
	Name of the instance.
DbType	m_type
	Database type.
Keys	m_keys
	Key entry buffer.
IOODatabase *	m_pool
	Pointer to specific pool implementation.

Detailed Description

template<class KEY, class TYPE>
class pool::DbAccessObj< KEY, TYPE >

Description:

Templated base class for "abstarct" container objects. These abstarct containers are: DnSessions, DbDomainObjs, DbDatabaseObjs and DbContainerObjs.

Author: M.Frank

Version: 1.0

Definition at line 47 of file DbAccessObj.h.

Member Typedef Documentation

◆ Base

template<class KEY, class TYPE>

typedef DbAccessObj< KEY , TYPE > pool::DbAccessObj< KEY, TYPE >::Base

Type definitions.

Definition at line 50 of file DbAccessObj.h.

◆ const_iterator

template<class KEY, class TYPE>

typedef Keys::const_iterator pool::DbAccessObj< KEY, TYPE >::const_iterator

Definition at line 53 of file DbAccessObj.h.

◆ iterator

template<class KEY, class TYPE>

typedef Keys::iterator pool::DbAccessObj< KEY, TYPE >::iterator

Definition at line 52 of file DbAccessObj.h.

◆ Keys

template<class KEY, class TYPE>

typedef std::map< KEY, TYPE* > pool::DbAccessObj< KEY, TYPE >::Keys

Definition at line 51 of file DbAccessObj.h.

Constructor & Destructor Documentation

◆ DbAccessObj()

template<class KEY, class TYPE>

pool::DbAccessObj< KEY, TYPE >::DbAccessObj	(	const std::string &	n,
		DbAccessMode	m,
		const DbType &	t,
		IOODatabase *	s = 0 )

inline

Constructor with initializing arguments.

Definition at line 70 of file DbAccessObj.h.

71 : m_refCount(0), m_mode(m), m_name(n), m_type(t), m_pool(s)

72 { if( m_pool ) m_pool->addRef(); }

pool::DbAccessObj

Description:

Definition DbAccessObj.h:47

pool::DbAccessObj::m_name

std::string m_name

Name of the instance.

Definition DbAccessObj.h:60

pool::DbAccessObj::m_pool

IOODatabase * m_pool

Pointer to specific pool implementation.

Definition DbAccessObj.h:66

pool::DbAccessObj::m_refCount

std::atomic< int > m_refCount

Reference counter.

Definition DbAccessObj.h:56

pool::DbAccessObj::m_type

DbType m_type

Database type.

Definition DbAccessObj.h:62

pool::DbAccessObj::m_mode

DbAccessMode m_mode

Access mode.

Definition DbAccessObj.h:58

◆ ~DbAccessObj()

template<class KEY, class TYPE>

virtual pool::DbAccessObj< KEY, TYPE >::~DbAccessObj ( )

inlinevirtual

Standard destructor.

Definition at line 74 of file DbAccessObj.h.

74{ releasePtr( m_pool ); }

pool::releasePtr

DbStatus releasePtr(T *&p)

Release a pointer.

Definition Database/APR/StorageSvc/StorageSvc/pool.h:85

Member Function Documentation

◆ add()

template<class KEY, class TYPE>

DbStatus pool::DbAccessObj< KEY, TYPE >::add	(	const KEY &	key,
		TYPE *	val )

inline

Add entry to container.

Definition at line 142 of file DbAccessObj.h.

                                              {
      iterator i = m_keys.find(key);
      if ( m_keys.end() == i )    {
        m_keys.insert(std::make_pair(key, val));
        val->addRef();
        return Success;
      }
      return Error;
    }

◆ addRef()

template<class KEY, class TYPE>

int pool::DbAccessObj< KEY, TYPE >::addRef ( ) const

inline

Add reference count.

Definition at line 91 of file DbAccessObj.h.

                        {
#ifdef DEBUG_REFCOUNTS
      std::cout << typeid(*this).name() 
                << "  " 
                << m_name 
                << " Refcount:" 
                << m_refCount+1  
                << std::endl;
#endif
      return ++m_refCount;
    }

◆ begin() [1/2]

template<class KEY, class TYPE>

iterator pool::DbAccessObj< KEY, TYPE >::begin ( )

inline

Definition at line 163 of file DbAccessObj.h.

163{ return m_keys.begin(); }

◆ begin() [2/2]

template<class KEY, class TYPE>

const_iterator pool::DbAccessObj< KEY, TYPE >::begin ( ) const

inline

Definition at line 164 of file DbAccessObj.h.

164{ return m_keys.begin(); }

◆ clearEntries()

template<class KEY, class TYPE>

DbStatus pool::DbAccessObj< KEY, TYPE >::clearEntries ( )

inline

Object cleanup: remove all entries.

Definition at line 123 of file DbAccessObj.h.

                              {
      Keys k = m_keys;
      for(iterator j = k.begin(); j != k.end(); ++j )  {
        (*j).second->release();
      }
      m_keys.clear();
      return Success;
    }

◆ db() [1/2]

template<class KEY, class TYPE>

IOODatabase * pool::DbAccessObj< KEY, TYPE >::db ( )

inline

Definition at line 87 of file DbAccessObj.h.

87{ return m_pool; }

◆ db() [2/2]

template<class KEY, class TYPE>

const IOODatabase * pool::DbAccessObj< KEY, TYPE >::db ( ) const

inline

Allow access to the Database implementation.

Definition at line 86 of file DbAccessObj.h.

86{ return m_pool; }

◆ end() [1/2]

template<class KEY, class TYPE>

iterator pool::DbAccessObj< KEY, TYPE >::end ( )

inline

Definition at line 165 of file DbAccessObj.h.

165{ return m_keys.end(); }

◆ end() [2/2]

template<class KEY, class TYPE>

const_iterator pool::DbAccessObj< KEY, TYPE >::end ( ) const

inline

Definition at line 166 of file DbAccessObj.h.

166{ return m_keys.end(); }

◆ find() [1/2]

template<class KEY, class TYPE>

TYPE * pool::DbAccessObj< KEY, TYPE >::find ( const KEY & key )

inline

Find object by key.

Definition at line 137 of file DbAccessObj.h.

                                  {
      iterator i = m_keys.find(key);
      return (m_keys.end() == i) ? 0 : (*i).second;
    }

◆ find() [2/2]

template<class KEY, class TYPE>

const TYPE * pool::DbAccessObj< KEY, TYPE >::find ( const KEY & key ) const

inline

Find object by key (CONST)

Definition at line 132 of file DbAccessObj.h.

                                              {
      const_iterator i = m_keys.find(key);
      return (m_keys.end() == i) ? 0 : (*i).second;
    }

◆ mode()

template<class KEY, class TYPE>

DbAccessMode pool::DbAccessObj< KEY, TYPE >::mode ( ) const

inline

Access mode.

Definition at line 80 of file DbAccessObj.h.

80{ return m_mode; }

◆ name()

template<class KEY, class TYPE>

const std::string & pool::DbAccessObj< KEY, TYPE >::name ( ) const

inline

Access the instance name.

Definition at line 76 of file DbAccessObj.h.

76{ return m_name; }

◆ refCount()

template<class KEY, class TYPE>

int pool::DbAccessObj< KEY, TYPE >::refCount ( ) const

inline

Access reference counter.

Definition at line 89 of file DbAccessObj.h.

89{ return m_refCount; }

◆ release()

template<class KEY, class TYPE>

int pool::DbAccessObj< KEY, TYPE >::release ( ) const

inline

Remove reference count.

Definition at line 103 of file DbAccessObj.h.

                           {
      int count = --m_refCount;
#ifdef DEBUG_REFCOUNTS
      std::cout << typeid(*this).name() 
                << "  " 
                << m_name 
                << " Refcount:" 
                << count  
                << std::endl;
#endif
      if ( count == 0 )    {
        delete this;
      }
      return count;
    }

◆ remove()

template<class KEY, class TYPE>

DbStatus pool::DbAccessObj< KEY, TYPE >::remove ( const TYPE * val )

inline

Remove entry from container.

Definition at line 152 of file DbAccessObj.h.

                                        {
      for (iterator j = m_keys.begin(); j != m_keys.end(); ++j )    {
        if ( (*j).second == val ) {
          TYPE* p = (*j).second;
          m_keys.erase(j);
          p->release();
          return Success;
        }
      }
      return Error;
    }

◆ setMode()

template<class KEY, class TYPE>

void pool::DbAccessObj< KEY, TYPE >::setMode ( DbAccessMode m )

inline

Set Access mode.

Definition at line 82 of file DbAccessObj.h.

82{ m_mode = m; }

◆ setName()

template<class KEY, class TYPE>

void pool::DbAccessObj< KEY, TYPE >::setName ( const std::string & n )

inline

Access the instance name.

Definition at line 78 of file DbAccessObj.h.

78{ m_name = n; }

◆ size()

template<class KEY, class TYPE>

size_t pool::DbAccessObj< KEY, TYPE >::size ( ) const

inline

Object size.

Definition at line 119 of file DbAccessObj.h.

                            {
      return m_keys.size();
    }

◆ type()

template<class KEY, class TYPE>

const DbType & pool::DbAccessObj< KEY, TYPE >::type ( ) const

inline

Definition at line 84 of file DbAccessObj.h.

84{ return m_type; }

Member Data Documentation

◆ m_keys

template<class KEY, class TYPE>

Keys pool::DbAccessObj< KEY, TYPE >::m_keys

private

Key entry buffer.

Definition at line 64 of file DbAccessObj.h.

◆ m_mode

template<class KEY, class TYPE>

DbAccessMode pool::DbAccessObj< KEY, TYPE >::m_mode

private

Access mode.

Definition at line 58 of file DbAccessObj.h.

◆ m_name

template<class KEY, class TYPE>

std::string pool::DbAccessObj< KEY, TYPE >::m_name

private

Name of the instance.

Definition at line 60 of file DbAccessObj.h.

◆ m_pool

template<class KEY, class TYPE>

IOODatabase* pool::DbAccessObj< KEY, TYPE >::m_pool

private

Pointer to specific pool implementation.

Definition at line 66 of file DbAccessObj.h.

◆ m_refCount

template<class KEY, class TYPE>

std::atomic<int> pool::DbAccessObj< KEY, TYPE >::m_refCount

mutableprivate

Reference counter.

Definition at line 56 of file DbAccessObj.h.

◆ m_type

template<class KEY, class TYPE>

DbType pool::DbAccessObj< KEY, TYPE >::m_type

private

Database type.

Definition at line 62 of file DbAccessObj.h.

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

DbAccessObj.h

Public Types

Public Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ Base

◆ const_iterator

◆ iterator

◆ Keys

Constructor & Destructor Documentation

◆ DbAccessObj()

◆ ~DbAccessObj()

Member Function Documentation

◆ add()

◆ addRef()

◆ begin() [1/2]

◆ begin() [2/2]

◆ clearEntries()

◆ db() [1/2]

◆ db() [2/2]

◆ end() [1/2]

◆ end() [2/2]

◆ find() [1/2]

◆ find() [2/2]

◆ mode()

◆ name()

◆ refCount()

◆ release()

◆ remove()

◆ setMode()

◆ setName()

◆ size()

◆ type()

Member Data Documentation

◆ m_keys

◆ m_mode

◆ m_name

◆ m_pool

◆ m_refCount

◆ m_type