bes  Updated for version 3.20.6
AggMemberDatasetSharedDDSWrapper.h
1 // This file is part of the "NcML Module" project, a BES module designed
3 // to allow NcML files to be used to be used as a wrapper to add
4 // AIS to existing datasets of any format.
5 //
6 // Copyright (c) 2010 OPeNDAP, Inc.
7 // Author: Michael Johnson <m.johnson@opendap.org>
8 //
9 // For more information, please also see the main website: http://opendap.org/
10 //
11 // This library is free software; you can redistribute it and/or
12 // modify it under the terms of the GNU Lesser General Public
13 // License as published by the Free Software Foundation; either
14 // version 2.1 of the License, or (at your option) any later version.
15 //
16 // This library is distributed in the hope that it will be useful,
17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 // Lesser General Public License for more details.
20 //
21 // You should have received a copy of the GNU Lesser General Public
22 // License along with this library; if not, write to the Free Software
23 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 //
25 // Please see the files COPYING and COPYRIGHT for more information on the GLPL.
26 //
27 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
29 #ifndef __AGG_UTIL__AGG_MEMBER_DATASET_SHARED_DDS_WRAPPER_H__
30 #define __AGG_UTIL__AGG_MEMBER_DATASET_SHARED_DDS_WRAPPER_H__
31 
32 #include "AggMemberDatasetWithDimensionCacheBase.h" // super
33 
34 namespace agg_util
35 {
36  // fdecls
37  class DDSAccessRCInterface;
38 
55  {
56  public:
60 
63 
69  virtual const libdap::DDS* getDDS();
70 
71  private:
72 
73  // If _pDDSHolder, unref() and null it.
74  void cleanup() throw();
75 
76  // If rhs._pDDSHodler, we ref() it
77  // and maintain an alias ourselves.
78  // ASSUMES: !_pDDSHolder
79  void copyRepFrom(const AggMemberDatasetSharedDDSWrapper& rhs);
80 
81  // data rep
82 
83  // Invariant: If not-null, we maintain a strong ref() to it
84  // and unref() in cleanup().
85  const DDSAccessRCInterface* _pDDSHolder;
86 
87  }; // class AggMemberDatasetSharedDDSWrapper
88 
89 }; // namespace agg_util
90 
91 #endif /* __AGG_UTIL__AGG_MEMBER_DATASET_SHARED_DDS_WRAPPER_H__ */
agg_util::AggMemberDatasetWithDimensionCacheBase
Definition: AggMemberDatasetWithDimensionCacheBase.h:41
agg_util::DDSAccessRCInterface
Definition: DDSAccessInterface.h:62
agg_util
Helper class for temporarily hijacking an existing dhi to load a DDX response for one particular file...
Definition: AggMemberDataset.cc:38
agg_util::AggMemberDatasetSharedDDSWrapper
Definition: AggMemberDatasetSharedDDSWrapper.h:54
agg_util::AggMemberDatasetSharedDDSWrapper::getDDS
virtual const libdap::DDS * getDDS()
Definition: AggMemberDatasetSharedDDSWrapper.cc:83