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Diffstat (limited to 'docs/tutorials/012/block.h')
-rw-r--r-- | docs/tutorials/012/block.h | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/docs/tutorials/012/block.h b/docs/tutorials/012/block.h deleted file mode 100644 index 06179af2757..00000000000 --- a/docs/tutorials/012/block.h +++ /dev/null @@ -1,65 +0,0 @@ - -// $Id$ - -#ifndef BLOCK_H -#define BLOCK_H - -#include "work.h" - -/* - We derive a Message_Block from ACE_Message_Block and teach it about - our Unit_Of_Work object. When our task's svc() method pulls a block - out of the queue, it can then invoke the virtual methods of the work - object safely. In this implementation we've also retained the - original ACE_Message_Block functionallity so that we can use the - underlying ACE_Data_Block objects to store data other than our - Unit_Of_Work. -*/ -class Message_Block : public ACE_Message_Block -{ -public: - typedef ACE_Message_Block inherited; - - /* - Construct our underlying ACE_Message_Block with the requested - data size and initialize our Unit_Of_Work pointer with the - given object instance. Note that this Message_Block instance - now assumes ownership of the Unit_Of_Work and will delete it - when the Message_Block is deleted. - */ - Message_Block( size_t size, Unit_Of_Work * _data ) - : inherited(size), data_(_data) - { - ACE_DEBUG ((LM_DEBUG, "(%P|%t) Message_Block ctor 0x%x for 0x%x\n", (void *) this, data_)); - } - - ~Message_Block(void) - { - ACE_DEBUG ((LM_DEBUG, "(%P|%t) Message_Block dtor 0x%x for 0x%x\n", (void *) this, data_)); - delete data_; - } - - /* - Return the Unit_Of_Work so that the task can invoke methods on - it. - */ - Unit_Of_Work * data(void) - { - return this->data_; - } - -protected: - Unit_Of_Work * data_; - - /* - Disallow these very dangerous operations. - If we were to copy a Message_Block object then the data_ - pointer would get copied and we would eventually end up - deleting the same object multiple times! That's not good. By - preventing the copy, we can avoid this. - */ - Message_Block &operator= (const Message_Block &); - Message_Block (const Message_Block &); -}; - -#endif |