diff options
Diffstat (limited to 'c++/src/H5FaccProp.cpp')
-rw-r--r-- | c++/src/H5FaccProp.cpp | 57 |
1 files changed, 55 insertions, 2 deletions
diff --git a/c++/src/H5FaccProp.cpp b/c++/src/H5FaccProp.cpp index 5ce9d8e..d3d7811 100644 --- a/c++/src/H5FaccProp.cpp +++ b/c++/src/H5FaccProp.cpp @@ -25,10 +25,63 @@ namespace H5 { #endif +#ifndef DOXYGEN_SHOULD_SKIP_THIS +// This DOXYGEN_SHOULD_SKIP_THIS block is a work-around approach to control +// the order of creation and deletion of the global constants. See Design Notes +// in "H5PredType.cpp" for information. + +// Initialize a pointer for the constant +FileAccPropList* FileAccPropList::DEFAULT_ = 0; + +//-------------------------------------------------------------------------- +// Function: FileAccPropList::getConstant +// Creates a FileAccPropList object representing the HDF5 constant +// H5P_FILE_ACCESS, pointed to by FileAccPropList::DEFAULT_ +// exception H5::PropListIException +// Description +// If FileAccPropList::DEFAULT_ already points to an allocated +// object, throw a PropListIException. This scenario should not +// happen. +// Programmer Binh-Minh Ribler - 2015 +//-------------------------------------------------------------------------- +FileAccPropList* FileAccPropList::getConstant() +{ + // Tell the C library not to clean up, H5Library::termH5cpp will call + // H5close - more dependency if use H5Library::dontAtExit() + if (!IdComponent::H5dontAtexit_called) + { + (void) H5dont_atexit(); + IdComponent::H5dontAtexit_called = true; + } + + // If the constant pointer is not allocated, allocate it. Otherwise, + // throw because it shouldn't be. + if (DEFAULT_ == 0) + DEFAULT_ = new FileAccPropList(H5P_FILE_ACCESS); + else + throw PropListIException("FileAccPropList::getConstant", "FileAccPropList::getConstant is being invoked on an allocated DEFAULT_"); + return(DEFAULT_); +} + //-------------------------------------------------------------------------- -///\brief Constant for default property +// Function: FileAccPropList::deleteConstants +// Purpose: Deletes the constant object that FileAccPropList::DEFAULT_ +// points to. +// exception H5::PropListIException +// Programmer Binh-Minh Ribler - 2015 //-------------------------------------------------------------------------- -const FileAccPropList FileAccPropList::DEFAULT; +void FileAccPropList::deleteConstants() +{ + if (DEFAULT_ != 0) + delete DEFAULT_; +} + +//-------------------------------------------------------------------------- +// Purpose: Constant for default property +//-------------------------------------------------------------------------- +const FileAccPropList& FileAccPropList::DEFAULT = *getConstant(); + +#endif // DOXYGEN_SHOULD_SKIP_THIS //-------------------------------------------------------------------------- // Function: Default Constructor |