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author | Vailin Choi <vchoi@hdfgroup.org> | 2015-04-22 22:31:12 (GMT) |
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committer | Vailin Choi <vchoi@hdfgroup.org> | 2015-04-22 22:31:12 (GMT) |
commit | e0e28a7aae2fabf3ae9d03a1bd5809176935466a (patch) | |
tree | a6b840f4c13522aecdd504d16ee5a265e2abad27 /c++/src/H5File.cpp | |
parent | 65b3bc2a937337239ceede5e39261c6b2ba4dc69 (diff) | |
download | hdf5-e0e28a7aae2fabf3ae9d03a1bd5809176935466a.zip hdf5-e0e28a7aae2fabf3ae9d03a1bd5809176935466a.tar.gz hdf5-e0e28a7aae2fabf3ae9d03a1bd5809176935466a.tar.bz2 |
[svn-r26894] Bring revisions #26459 - #26785 from trunk to revise_chunks.
h5committested.
Diffstat (limited to 'c++/src/H5File.cpp')
-rw-r--r-- | c++/src/H5File.cpp | 45 |
1 files changed, 26 insertions, 19 deletions
diff --git a/c++/src/H5File.cpp b/c++/src/H5File.cpp index e0a0da5..fc802d0 100644 --- a/c++/src/H5File.cpp +++ b/c++/src/H5File.cpp @@ -158,6 +158,25 @@ void H5File::p_get_file(const char* name, unsigned int flags, const FileCreatPro #endif // DOXYGEN_SHOULD_SKIP_THIS //-------------------------------------------------------------------------- +// Function: H5File overloaded constructor +///\brief Creates an H5File object using an existing file id. +///\param existing_id - IN: Id of an existing file +// Programmer Binh-Minh Ribler - 2015 +// Description +// Mar 29, 2015 +// Added in responding to a request from user Jason Newton. +// However, it is not recommended to use the private member "id" +// in applications. Unlike other situations, where similar +// constructor is needed by the library in order to return +// an object, H5File doesn't need it. -BMR (HDFFV-8766 partially) +//-------------------------------------------------------------------------- +H5File::H5File(hid_t existing_id) : H5Location(), CommonFG() +{ + id = existing_id; + incRefCount(); // increment number of references to this id +} + +//-------------------------------------------------------------------------- // Function: H5File copy constructor ///\brief Copy constructor: makes a copy of the original /// H5File object. @@ -225,6 +244,13 @@ bool H5File::isHdf5(const H5std_string& name ) //-------------------------------------------------------------------------- void H5File::openFile(const char* name, unsigned int flags, const FileAccPropList& access_plist) { + try { + close(); + } + catch (Exception close_error) { + throw FileIException("H5File::openFile", close_error.getDetailMsg()); + } + hid_t access_plist_id = access_plist.getId(); id = H5Fopen (name, flags, access_plist_id); if (id < 0) // throw an exception when open fails @@ -379,25 +405,6 @@ ssize_t H5File::getObjCount(unsigned types) const } //-------------------------------------------------------------------------- -// Function: H5File::getObjCount -///\brief This is an overloaded member function, provided for convenience. -/// It takes no parameter and returns the object count of all -/// object types. -///\return Number of opened object IDs -///\exception H5::FileIException -// Programmer Binh-Minh Ribler - May 2004 -//-------------------------------------------------------------------------- -ssize_t H5File::getObjCount() const -{ - ssize_t num_objs = H5Fget_obj_count(id, H5F_OBJ_ALL); - if( num_objs < 0 ) - { - throw FileIException("H5File::getObjCount", "H5Fget_obj_count failed"); - } - return (num_objs); -} - -//-------------------------------------------------------------------------- // Function: H5File::getObjIDs ///\brief Retrieves a list of opened object IDs (files, datasets, /// groups and datatypes) in the same file. |