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TAO_ESF_Copy_On_Read< PROXY, COLLECTION, ITERATOR, ACE_LOCK > Class Template Reference

Implement the Copy_On_Read protocol. More...

#include <ESF_Copy_On_Read.h>

Inheritance diagram for TAO_ESF_Copy_On_Read< PROXY, COLLECTION, ITERATOR, ACE_LOCK >:

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Collaboration diagram for TAO_ESF_Copy_On_Read< PROXY, COLLECTION, ITERATOR, ACE_LOCK >:

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List of all members.

Public Member Functions

 TAO_ESF_Copy_On_Read (void)
 Constructors.

 TAO_ESF_Copy_On_Read (const COLLECTION &collection)
virtual void for_each (TAO_ESF_Worker< PROXY > *worker)
virtual void connected (PROXY *proxy)
virtual void reconnected (PROXY *proxy)
virtual void disconnected (PROXY *proxy)
 Remove an element from the collection.

virtual void shutdown (void)
 The EC is shutting down, must release all the elements.


Private Attributes

COLLECTION collection_
ACE_LOCK lock_

Detailed Description

template<class PROXY, class COLLECTION, class ITERATOR, class ACE_LOCK>
class TAO_ESF_Copy_On_Read< PROXY, COLLECTION, ITERATOR, ACE_LOCK >

Implement the Copy_On_Read protocol.

The class is parametric on the kind of collection and locking mechanism used.

Definition at line 38 of file ESF_Copy_On_Read.h.

Constructor & Destructor Documentation

template<class PROXY, class COLLECTION, class ITERATOR, class ACE_LOCK>
TAO_BEGIN_VERSIONED_NAMESPACE_DECL TAO_ESF_Copy_On_Read< PROXY, COLLECTION, ITERATOR, ACE_LOCK >::TAO_ESF_Copy_On_Read (  void   ) 
 

Constructors.

Definition at line 13 of file ESF_Copy_On_Read.cpp. 

00014 {
00015 }

template<class PROXY, class COLLECTION, class ITERATOR, class ACE_LOCK>
TAO_ESF_Copy_On_Read< PROXY, COLLECTION, ITERATOR, ACE_LOCK >::TAO_ESF_Copy_On_Read (  const COLLECTION &  collection  ) 
 

Definition at line 19 of file ESF_Copy_On_Read.cpp. 

00020       :  collection_ (collection)
00021 {
00022 }

Member Function Documentation

template<class PROXY, class COLLECTION, class ITERATOR, class ACE_LOCK>
void TAO_ESF_Copy_On_Read< PROXY, COLLECTION, ITERATOR, ACE_LOCK >::connected (  PROXY *  proxy  )  [virtual]
 

Insert a new element into the collection. The collection assumes ownership of the element.

Implements TAO_ESF_Proxy_Collection< PROXY >.

Definition at line 76 of file ESF_Copy_On_Read.cpp.

References ACE_GUARD. 

00077 {
00078   ACE_GUARD (ACE_LOCK, ace_mon, this->lock_);
00079 
00080   proxy->_incr_refcnt ();
00081   this->collection_.connected (proxy);
00082 }

template<class PROXY, class COLLECTION, class ITERATOR, class ACE_LOCK>
void TAO_ESF_Copy_On_Read< PROXY, COLLECTION, ITERATOR, ACE_LOCK >::disconnected (  PROXY *  proxy  )  [virtual]
 

Remove an element from the collection.

Implements TAO_ESF_Proxy_Collection< PROXY >.

Definition at line 96 of file ESF_Copy_On_Read.cpp.

References ACE_GUARD. 

00097 {
00098   ACE_GUARD (ACE_LOCK, ace_mon, this->lock_);
00099 
00100   this->collection_.disconnected (proxy);
00101 }

template<class PROXY, class COLLECTION, class ITERATOR, class ACE_LOCK>
void TAO_ESF_Copy_On_Read< PROXY, COLLECTION, ITERATOR, ACE_LOCK >::for_each (  TAO_ESF_Worker< PROXY > *  worker  )  [virtual]
 

Iterate over the collection and invoke worker->work() for each member of the collection. This encapsulates

Implements TAO_ESF_Proxy_Collection< PROXY >.

Definition at line 26 of file ESF_Copy_On_Read.cpp.

References ACE_GUARD, ACE_NEW, TAO_ESF_Worker< Object >::set_size(), and TAO_ESF_Worker< Object >::work(). 

00027 {
00028   // @@ Use an allocator for this memory...
00029   PROXY **proxies = 0;
00030   size_t size = 0;
00031   try
00032     {
00033       {
00034         ACE_GUARD (ACE_LOCK, ace_mon, this->lock_);
00035 
00036         size = this->collection_.size ();
00037         ACE_NEW (proxies, PROXY*[size]);
00038         PROXY **j = proxies;
00039 
00040         for (; j != proxies + size; ++j)
00041           *j = 0;
00042 
00043         j = proxies;
00044 
00045         ITERATOR end = this->collection_.end ();
00046         for (ITERATOR i = this->collection_.begin (); i != end; ++i)
00047           {
00048             *j = *i;
00049             (*j)->_incr_refcnt ();
00050             ++j;
00051           }
00052       }
00053       worker->set_size(size);
00054       for (PROXY **j = proxies; j != proxies + size; ++j)
00055         {
00056           worker->work (*j);
00057           (*j)->_decr_refcnt ();
00058         }
00059       delete[] proxies;
00060     }
00061   catch (const CORBA::Exception&)
00062     {
00063       for (PROXY **j = proxies; j != proxies + size; ++j)
00064         {
00065           if (*j != 0)
00066             (*j)->_decr_refcnt ();
00067         }
00068       delete[] proxies;
00069 
00070       throw;
00071     }
00072 }

template<class PROXY, class COLLECTION, class ITERATOR, class ACE_LOCK>
void TAO_ESF_Copy_On_Read< PROXY, COLLECTION, ITERATOR, ACE_LOCK >::reconnected (  PROXY *  proxy  )  [virtual]
 

Insert an element into the collection. No errors can be raised if the element is already present. The collection assumes ownership, i.e. must invoke <proxy->_decr_refcnt()> if the element is already present in the collection.

Implements TAO_ESF_Proxy_Collection< PROXY >.

Definition at line 86 of file ESF_Copy_On_Read.cpp.

References ACE_GUARD. 

00087 {
00088   ACE_GUARD (ACE_LOCK, ace_mon, this->lock_);
00089 
00090   proxy->_incr_refcnt ();
00091   this->collection_.reconnected (proxy);
00092 }

template<class PROXY, class COLLECTION, class ITERATOR, class ACE_LOCK>
void TAO_ESF_Copy_On_Read< PROXY, COLLECTION, ITERATOR, ACE_LOCK >::shutdown (  void   )  [virtual]
 

The EC is shutting down, must release all the elements.

Implements TAO_ESF_Proxy_Collection< PROXY >.

Definition at line 104 of file ESF_Copy_On_Read.cpp.

References ACE_GUARD. 

00105 {
00106   ACE_GUARD (ACE_LOCK, ace_mon, this->lock_);
00107 
00108   this->collection_.shutdown ();
00109 }

Member Data Documentation

template<class PROXY, class COLLECTION, class ITERATOR, class ACE_LOCK>
COLLECTION TAO_ESF_Copy_On_Read< PROXY, COLLECTION, ITERATOR, ACE_LOCK >::collection_ [private]
 

Definition at line 53 of file ESF_Copy_On_Read.h.

template<class PROXY, class COLLECTION, class ITERATOR, class ACE_LOCK>
ACE_LOCK TAO_ESF_Copy_On_Read< PROXY, COLLECTION, ITERATOR, ACE_LOCK >::lock_ [private]
 

Definition at line 55 of file ESF_Copy_On_Read.h.

The documentation for this class was generated from the following files:
Generated on Sun Jan 27 13:38:49 2008 for TAO_ESF by doxygen 1.3.6