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Viewing changes to drizzled/query_id.h

  • Committer: Olaf van der Spek
  • Date: 2011-08-14 15:59:54 UTC
  • mto: This revision was merged to the branch mainline in revision 2407.
  • Revision ID: olafvdspek@gmail.com-20110814155954-zf2yu0ji8bwghnl9
Refactor

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drizzled/query_id.h
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#pragma once
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#include <drizzled/atomics.h>
 
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#include <drizzled/common_fwd.h>
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namespace drizzled {
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typedef uint64_t query_id_t;
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class Query_id
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{
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public:
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  static Query_id& get_query_id() 
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  {
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    static Query_id the_id;
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    return the_id;
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  }
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  /* return current query_id value */
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  query_id_t value() const;
 
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  query_id_t value() const
 
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  {
 
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    return the_query_id;
 
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  }
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  /* increment query_id and return it.  */
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  query_id_t next();
 
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  query_id_t next()
 
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  {
 
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    return the_query_id.increment();
 
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  }
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private:
 
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  Query_id()
 
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  {
 
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    the_query_id= 1;
 
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  }
 
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  static Query_id the_id;
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  atomic<uint64_t> the_query_id;
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  Query_id();
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  Query_id(Query_id const&);
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  Query_id& operator=(Query_id const&);
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};
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} /* namespace drizzled */
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