greenplumn CIdGenerator 代码
文件路径：/src/backend/gporca/libnaucrates/src/CIdGenerator.cpp
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2011 Greenplum, Inc.
/
/ @filename:
/ CIdGenerator.cpp
/
/ @doc:
/ Implementing the ULONG Counter
/---------------------------------------------------------------------------
#include "naucrates/dxl/CIdGenerator.h"
#include "gpos/base.h"
using namespace gpdxl;
using namespace gpos;
CIdGenerator::CIdGenerator(ULONG start_id) : id(start_id)
{
}
/---------------------------------------------------------------------------
/ @function:
/ CIdGenerator::next_id
/
/ @doc:
/ Returns the next unique id
/
/---------------------------------------------------------------------------
ULONG
CIdGenerator::next_id()
{
return id++;
}
/---------------------------------------------------------------------------
/ @function:
/ CIdGenerator::current_id
/
/ @doc:
/ Returns the current unique id used
/
/---------------------------------------------------------------------------
ULONG
CIdGenerator::current_id() const
{
return id;
}
/ EOF