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Public Types | Public Member Functions | Private Attributes | List of all members
pool::DbAccessObj< KEY, TYPE > Class Template Reference

#include <StorageSvc/DbAccessObj.h>

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

Public Types

typedef DbAccessObj< KEY, TYPE > Base
 Type definitions. More...
 
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. More...
 
virtual ~DbAccessObj ()
 Standard destructor. More...
 
const std::string & name () const
 Access the instance name. More...
 
void setName (const std::string &n)
 Access the instance name. More...
 
DbAccessMode mode () const
 Access mode. More...
 
void setMode (DbAccessMode m)
 Set Access mode. More...
 
const DbType & type () const
 
const IOODatabase * db () const
 Allow access to the Database implementation. More...
 
IOODatabase * db ()
 
int refCount () const
 Access reference counter. More...
 
int addRef () const
 Add reference count. More...
 
int release () const
 Remove reference count. More...
 
size_t size () const
 Object size. More...
 
DbStatus clearEntries ()
 Object cleanup: remove all entries. More...
 
const TYPE * find (const KEY &key) const
 Find object by key (CONST) More...
 
TYPE * find (const KEY &key)
 Find object by key. More...
 
DbStatus add (const KEY &key, TYPE *val)
 Add entry to container. More...
 
DbStatus remove (const TYPE *val)
 Remove entry from container. More...
 
iterator begin ()
 
const_iterator begin () const
 
iterator end ()
 
const_iterator end () const
 

Private Attributes

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

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(); }

◆ ~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 ); }

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.

142  {
143  iterator i = m_keys.find(key);
144  if ( m_keys.end() == i ) {
145  m_keys.insert(std::make_pair(key, val));
146  val->addRef();
147  return Success;
148  }
149  return Error;
150  }

◆ 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.

91  {
92 #ifdef DEBUG_REFCOUNTS
93  std::cout << typeid(*this).name()
94  << " "
95  << m_name
96  << " Refcount:"
97  << m_refCount+1
98  << std::endl;
99 #endif
100  return ++m_refCount;
101  }

◆ 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.

123  {
124  Keys k = m_keys;
125  for(iterator j = k.begin(); j != k.end(); ++j ) {
126  (*j).second->release();
127  }
128  m_keys.clear();
129  return Success;
130  }

◆ 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.

137  {
138  iterator i = m_keys.find(key);
139  return (m_keys.end() == i) ? 0 : (*i).second;
140  }

◆ 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.

132  {
133  const_iterator i = m_keys.find(key);
134  return (m_keys.end() == i) ? 0 : (*i).second;
135  }

◆ 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.

103  {
104  int count = --m_refCount;
105 #ifdef DEBUG_REFCOUNTS
106  std::cout << typeid(*this).name()
107  << " "
108  << m_name
109  << " Refcount:"
110  << count
111  << std::endl;
112 #endif
113  if ( count == 0 ) {
114  delete this;
115  }
116  return count;
117  }

◆ 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.

152  {
153  for (iterator j = m_keys.begin(); j != m_keys.end(); ++j ) {
154  if ( (*j).second == val ) {
155  TYPE* p = (*j).second;
156  m_keys.erase(j);
157  p->release();
158  return Success;
159  }
160  }
161  return Error;
162  }

◆ 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.

119  {
120  return m_keys.size();
121  }

◆ 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.

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Key entry buffer.
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Pointer to specific pool implementation.
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