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-rw-r--r--c++/src/H5PropList.cpp54
1 files changed, 52 insertions, 2 deletions
diff --git a/c++/src/H5PropList.cpp b/c++/src/H5PropList.cpp
index 70ec629..807aa0a 100644
--- a/c++/src/H5PropList.cpp
+++ b/c++/src/H5PropList.cpp
@@ -36,10 +36,60 @@ namespace H5 {
#endif // H5_NO_STD
#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
+PropList* PropList::DEFAULT_ = 0;
+
//--------------------------------------------------------------------------
-///\brief Constant for default property.
+// Function: PropList::getConstant
+// Purpose: Creates a PropList object representing the HDF5 constant
+// H5P_DEFAULT, pointed to by PropList::DEFAULT_.
+// Exception H5::PropListIException
+// Description
+// If PropList::DEFAULT_ already points to an allocated object,
+// throw a PropListIException. This scenario should not happen.
+// Programmer Binh-Minh Ribler - 2015
//--------------------------------------------------------------------------
-const PropList PropList::DEFAULT;
+PropList* PropList::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 PropList(H5P_DEFAULT);
+ else
+ throw PropListIException("PropList::getConstant", "PropList::getConstant is being invoked on an allocated DEFAULT_");
+ return(DEFAULT_);
+}
+
+//--------------------------------------------------------------------------
+// Function: PropList::deleteConstants
+// Purpose: Deletes the constant object that PropList::DEFAULT_ points to.
+// Programmer Binh-Minh Ribler - 2015
+//--------------------------------------------------------------------------
+void PropList::deleteConstants()
+{
+ if (DEFAULT_ != 0)
+ delete DEFAULT_;
+}
+
+//--------------------------------------------------------------------------
+// Purpose Constant for default property.
+//--------------------------------------------------------------------------
+const PropList& PropList::DEFAULT = *getConstant();
+
+#endif // DOXYGEN_SHOULD_SKIP_THIS
//--------------------------------------------------------------------------
// Function Default constructor