diff options
Diffstat (limited to 'c++/src/H5DataSet.cpp')
| -rw-r--r-- | c++/src/H5DataSet.cpp | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/c++/src/H5DataSet.cpp b/c++/src/H5DataSet.cpp index 0fc9105..059da85 100644 --- a/c++/src/H5DataSet.cpp +++ b/c++/src/H5DataSet.cpp @@ -60,6 +60,12 @@ DataSet::DataSet() : H5Object(), AbstractDs(), id(H5I_INVALID_HID) {} ///\brief Creates an DataSet object using the id of an existing dataset. ///\param existing_id - IN: Id of an existing dataset // Programmer Binh-Minh Ribler - 2000 +// Description +// incRefCount() is needed here to prevent the id from being closed +// prematurely. That is, when application uses the id of an +// existing DataSet object to create another DataSet object. So, +// when one of those objects is deleted, the id will be closed if +// the reference counter is only 1. //-------------------------------------------------------------------------- DataSet::DataSet(const hid_t existing_id) : H5Object(), AbstractDs() { @@ -172,8 +178,10 @@ DSetCreatPropList DataSet::getCreatePlist() const { throw DataSetIException("DataSet::getCreatePlist", "H5Dget_create_plist failed"); } + // create and return the DSetCreatPropList object - DSetCreatPropList create_plist(create_plist_id); // ok to use existing id const + DSetCreatPropList create_plist; + f_PropList_setId(&create_plist, create_plist_id); return(create_plist); } @@ -772,6 +780,22 @@ void DataSet::p_setId(const hid_t new_id) // reset object's id to the given id id = new_id; } + +//-------------------------------------------------------------------------- +// Function: f_PropList_setId - friend +// Purpose: This function is friend to class H5::PropList so that it +// can set PropList::id in order to work around a problem +// described in the JIRA issue HDFFV-7947. +// Applications shouldn't need to use it. +// param dset - IN/OUT: DataSet object to be changed +// param new_id - IN: New id to set +// Programmer Binh-Minh Ribler - 2015 +//-------------------------------------------------------------------------- +void f_PropList_setId(PropList* plist, hid_t new_id) +{ + plist->p_setId(new_id); +} + #endif // DOXYGEN_SHOULD_SKIP_THIS //-------------------------------------------------------------------------- |