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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifdef OLD_HEADER_FILENAME
#include <iostream.h>
#else
#include <iostream>
#endif
#include <string>
#include "H5Include.h"
#include "H5Exception.h"
#include "H5IdComponent.h"
#include "H5PropList.h"
#include "H5Location.h"
#include "H5Object.h"
#include "H5DxferProp.h"
#include "H5DataType.h"
#include "H5AtomType.h"
#include "H5PredType.h"
#include "H5AbstractDs.h"
#include "H5DataSpace.h"
#include "H5DataSet.h"
#include "H5Attribute.h"
namespace H5 {
#ifndef H5_NO_STD
using std::cerr;
using std::endl;
#endif // H5_NO_STD
//--------------------------------------------------------------------------
// Function: DataType default constructor
///\brief Default constructor: Creates a stub datatype
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DataType::DataType() : H5Object(), id(H5I_INVALID_HID) {}
//--------------------------------------------------------------------------
// Function: DataType overloaded constructor
///\brief Creates a datatype using an existing datatype's id
///\param existing_id - IN: Id of the existing datatype
// Description
// Constructor creates a copy of an existing DataType using
// its id.
// Programmer Binh-Minh Ribler - 2000
// Modification
// Dec, 2005
// Removed second argument, "predefined", after changing to the
// new ref counting mechanism that relies on C's ref counting.
//--------------------------------------------------------------------------
DataType::DataType(const hid_t existing_id) : H5Object(), id(existing_id)
{
incRefCount(); // increment number of references to this id
}
//--------------------------------------------------------------------------
// Function: DataType overloaded constructor
///\brief Creates a object given its class and size
///\param type_class - IN: Class of datatype to create
///\param size - IN: Number of bytes in the datatype to create
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DataType::DataType(const H5T_class_t type_class, size_t size) : H5Object()
{
// Call C routine to create the new datatype
id = H5Tcreate(type_class, size);
if(id < 0)
{
throw DataTypeIException("DataType constructor", "H5Tcreate failed");
}
}
//--------------------------------------------------------------------------
// Function: DataType overload constructor - dereference
///\brief Given a reference, ref, to an hdf5 group, creates a
/// DataType object
///\param loc - IN: Location referenced object is in
///\param ref - IN: Reference pointer
///\param ref_type - IN: Reference type - default to H5R_OBJECT
///\exception H5::ReferenceException
// Programmer Binh-Minh Ribler - Oct, 2006
// Modification
// Jul, 2008
// Added for application convenience.
//--------------------------------------------------------------------------
DataType::DataType(const H5Location& loc, const void* ref, H5R_type_t ref_type) : H5Object(), id(H5I_INVALID_HID)
{
id = H5Location::p_dereference(loc.getId(), ref, ref_type, "constructor - by dereference");
}
//--------------------------------------------------------------------------
// Function: DataType overload constructor - dereference
///\brief Given a reference, ref, to an hdf5 group, creates a
/// DataType object
///\param attr - IN: Specifying location where the referenced object is in
///\param ref - IN: Reference pointer
///\param ref_type - IN: Reference type - default to H5R_OBJECT
///\exception H5::ReferenceException
// Programmer Binh-Minh Ribler - Oct, 2006
// Modification
// Jul, 2008
// Added for application convenience.
//--------------------------------------------------------------------------
DataType::DataType(const Attribute& attr, const void* ref, H5R_type_t ref_type) : H5Object()
{
id = H5Location::p_dereference(attr.getId(), ref, ref_type, "constructor - by dereference");
}
//--------------------------------------------------------------------------
// Function: DataType copy constructor
///\brief Copy constructor: makes a copy of the original DataType object.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DataType::DataType(const DataType& original) : H5Object(), id(original.id)
{
incRefCount(); // increment number of references to this id
}
//--------------------------------------------------------------------------
// Function: DataType overloaded constructor
///\brief Creates a DataType instance using a predefined type
///\param pred_type - IN: Predefined datatype
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2015
// Description
// Copying the type so that when a predefined type is passed in,
// a copy of it is made, not just a duplicate of the HDF5 id.
// Note: calling DataType::copy will invoke DataType::close()
// unnecessarily and will produce undefined behavior.
// -BMR, Apr 2015
//--------------------------------------------------------------------------
DataType::DataType(const PredType& pred_type) : H5Object()
{
// call C routine to copy the datatype
id = H5Tcopy(pred_type.getId());
if (id < 0)
throw DataTypeIException("DataType constructor", "H5Tcopy failed");
}
//--------------------------------------------------------------------------
// Function: DataType::copy
///\brief Copies an existing datatype to this datatype object
///\param like_type - IN: Datatype to be copied
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
// Modification
// - Replaced resetIdComponent() with decRefCount() to use C
// library ID reference counting mechanism - BMR, Jun 1, 2004
// - Replaced decRefCount with close() to let the C library
// handle the reference counting - BMR, Jun 1, 2006
//--------------------------------------------------------------------------
void DataType::copy(const DataType& like_type)
{
// close the current data type before copying like_type to this object
try {
close();
}
catch (Exception& close_error) {
throw DataTypeIException(inMemFunc("copy"), close_error.getDetailMsg());
}
// call C routine to copy the datatype
id = H5Tcopy(like_type.getId());
if(id < 0)
throw DataTypeIException(inMemFunc("copy"), "H5Tcopy failed");
}
//--------------------------------------------------------------------------
// Function: DataType::copy
///\brief Copies the datatype of the given dataset to this datatype object
///\param dset - IN: Dataset
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - Jan, 2007
///\par Description
/// The resulted dataset will be transient and modifiable.
//--------------------------------------------------------------------------
void DataType::copy(const DataSet& dset)
{
// close the current data type before copying dset's datatype to this object
try {
close();
}
catch (Exception& close_error) {
throw DataTypeIException(inMemFunc("copy"), close_error.getDetailMsg());
}
// call C routine to copy the datatype
id = H5Tcopy(dset.getId());
if(id < 0)
throw DataTypeIException(inMemFunc("copy"), "H5Tcopy failed");
}
//--------------------------------------------------------------------------
// Function: DataType::operator=
///\brief Assignment operator
///\param rhs - IN: Reference to the existing datatype
///\return Reference to DataType instance
///\exception H5::DataTypeIException
// Description
// Makes a copy of the type on the right hand side and stores
// the new id in the left hand side object.
// Programmer Binh-Minh Ribler - 2000
// Modification
// Changed operator= to simply copy the id of rhs instead of
// calling H5Tcopy because, when the operator= is invoked, a
// different datatype id is created and it won't have the same
// characteristics as the original one, specifically, if the
// rhs represents a named datatype, "this" would still be a
// transient datatype.
// BMR - Mar, 2015
//--------------------------------------------------------------------------
DataType& DataType::operator=(const DataType& rhs)
{
if (this != &rhs)
{
setId(rhs.id);
}
return(*this);
}
//--------------------------------------------------------------------------
// Function: DataType::operator==
///\brief Compares this DataType against the given one to determines
/// whether the two objects refer to the same actual datatype.
///\param compared_type - IN: Reference to the datatype to compare
///\return true if the datatypes are equal, and false, otherwise.
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
bool DataType::operator==(const DataType& compared_type) const
{
// Call C routine H5Tequal to determines whether two datatype
// identifiers refer to the same datatype
htri_t ret_value = H5Tequal(id, compared_type.getId());
if(ret_value > 0)
return true;
else if(ret_value == 0)
return false;
else
{
throw DataTypeIException(inMemFunc("operator=="), "H5Tequal returns negative value");
}
}
//--------------------------------------------------------------------------
// Function: DataType::p_commit (private)
//\brief Commits a transient datatype to a file, creating a new
// named datatype
//\param loc_id - IN: The id of either a file, group, dataset, named
// datatype, or attribute.
//\param name - IN: Name of the datatype
//\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
// Modification:
// Copied from DataType::commit and made into private function
// to be commonly used by several overloads of DataType::commit.
// BMR - Jan, 2007
//--------------------------------------------------------------------------
void DataType::p_commit(hid_t loc_id, const char* name)
{
// Call C routine to commit the transient datatype
herr_t ret_value = H5Tcommit2(loc_id, name, id, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
if(ret_value < 0)
throw DataTypeIException(inMemFunc("p_commit"), "H5Tcommit2 failed");
}
//--------------------------------------------------------------------------
// Function: DataType::commit
///\brief Commits a transient datatype to a file, creating a new
/// named datatype
///\param loc - IN: A location (file, dataset, datatype, or group)
///\param name - IN: Name of the datatype
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void DataType::commit(const H5Location& loc, const char* name)
{
p_commit(loc.getId(), name);
}
//--------------------------------------------------------------------------
// Function: DataType::commit
// Purpose This is an overloaded member function, kept for backward
// compatibility. It differs from the above function in that it
// misses const's. This wrapper will be removed in future release.
// Param loc - IN: A location (file, dataset, datatype, or group)
// Param name - IN: Name of the datatype
// Exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - Jan, 2007
// Modification
// Planned for removal. -BMR, 2014/04/16
// Removed from documentation. -BMR, 2016/03/07 1.8.17 and 1.10.0
// Removed from code. -BMR, 2016/08/11 1.8.18 and 1.10.1
//--------------------------------------------------------------------------
//void DataType::commit(H5Location& loc, const char* name)
//{
// p_commit(loc.getId(), name);
//}
//--------------------------------------------------------------------------
// Function: DataType::commit
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in the type of the
/// argument \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void DataType::commit(const H5Location& loc, const H5std_string& name)
{
p_commit(loc.getId(), name.c_str());
}
//--------------------------------------------------------------------------
// Function: DataType::commit
// Purpose This is an overloaded member function, kept for backward
// compatibility. It differs from the above function in that it
// misses const's. This wrapper will be removed in future release.
// Param loc - IN: A location (file, dataset, datatype, or group)
// Param name - IN: Name of the datatype
// Exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - Jan, 2007
// Modification
// Planned for removal. -BMR, 2014/04/16
// Removed from documentation. -BMR, 2016/03/07 1.8.17 and 1.10.0
// Removed from code. -BMR, 2016/08/11 1.8.18 and 1.10.1
//--------------------------------------------------------------------------
//void DataType::commit(H5Location& loc, const H5std_string& name)
//{
// p_commit(loc.getId(), name.c_str());
//}
//--------------------------------------------------------------------------
// Function: DataType::committed
///\brief Determines whether a datatype is a named type or a
/// transient type.
///\return \c true if the datatype is a named type, and \c false,
/// otherwise.
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
bool DataType::committed() const
{
// Call C function to determine if a datatype is a named one
htri_t is_committed = H5Tcommitted(id);
if (is_committed > 0)
return true;
else if (is_committed == 0)
return false;
else
{
throw DataTypeIException(inMemFunc("committed"), "H5Tcommitted return negative value");
}
}
//--------------------------------------------------------------------------
// Function: DataType::find
///\brief Finds a conversion function that can handle a conversion
/// from this datatype to the specified datatype, \a dest.
///\param dest - IN: Destination datatype
///\param pcdata - IN: Pointer to type conversion data
///\return Pointer to a suitable conversion function
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
H5T_conv_t DataType::find(const DataType& dest, H5T_cdata_t **pcdata) const
{
// Call C routine to find the conversion function
H5T_conv_t func = H5Tfind(id, dest.getId(), pcdata);
if(func == NULL)
{
throw DataTypeIException(inMemFunc("find"), "H5Tfind returns a NULL function");
}
return(func);
}
//--------------------------------------------------------------------------
// Function: DataType::convert
///\brief Converts data from this datatype to the specified datatypes.
///\param dest - IN: Destination datatype
///\param nelmts - IN: Size of array \a buf
///\param buf - IN/OUT: Array containing pre- and post-conversion
/// values
///\param background - IN: Optional backgroud buffer
///\param plist - IN: Property list - default to PropList::DEFAULT
///\return Pointer to a suitable conversion function
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void DataType::convert(const DataType& dest, size_t nelmts, void *buf, void *background, const PropList& plist) const
{
// Get identifiers for C API
hid_t dest_id = dest.getId();
hid_t plist_id = plist.getId();
// Call C routine H5Tconvert to convert the data
herr_t ret_value;
ret_value = H5Tconvert(id, dest_id, nelmts, buf, background, plist_id);
if(ret_value < 0)
{
throw DataTypeIException(inMemFunc("convert"), "H5Tconvert failed");
}
}
//--------------------------------------------------------------------------
// Function: DataType::lock
///\brief Locks a datatype, making it read-only and non-destructible.
///
///\exception H5::DataTypeIException
///\par Descrition
/// This is normally done by the library for predefined data
/// types so the application doesn't inadvertently change or
/// delete a predefined type.
///
/// Once a data type is locked it can never be unlocked unless
/// the entire library is closed.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void DataType::lock() const
{
// Call C routine to lock the datatype
herr_t ret_value = H5Tlock(id);
if(ret_value < 0)
{
throw DataTypeIException(inMemFunc("lock"), "H5Tlock failed");
}
}
//--------------------------------------------------------------------------
// Function: DataType::getClass
///\brief Returns the datatype class identifier.
///\return Datatype class identifier
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
H5T_class_t DataType::getClass() const
{
H5T_class_t type_class = H5Tget_class(id);
// Return datatype class identifier if successful
if(type_class == H5T_NO_CLASS)
{
throw DataTypeIException(inMemFunc("getClass"), "H5Tget_class returns H5T_NO_CLASS");
}
return(type_class);
}
//--------------------------------------------------------------------------
// Function: DataType::getSize
///\brief Returns the size of a datatype.
///\return Datatype size in bytes
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
size_t DataType::getSize() const
{
// Call C routine to get the datatype size
size_t type_size = H5Tget_size(id);
if(type_size <= 0) // valid data types are never zero size
{
throw DataTypeIException(inMemFunc("getSize"), "H5Tget_size returns invalid datatype size");
}
return(type_size);
}
//--------------------------------------------------------------------------
// Function: DataType::getSuper
///\brief Returns the base datatype from which a datatype is derived.
///\return DataType object
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
DataType DataType::getSuper() const
{
// Call C routine to get the base datatype from which the specified
// datatype is derived.
hid_t base_type_id = H5Tget_super(id);
// If H5Tget_super returns a valid datatype id, create and return
// the base type, otherwise, raise exception
if(base_type_id > 0)
{
DataType base_type;
base_type.p_setId(base_type_id);
return(base_type);
}
else
{
throw DataTypeIException(inMemFunc("getSuper"), "H5Tget_super failed");
}
}
//--------------------------------------------------------------------------
// Function: DataType::registerFunc
///\brief Registers the specified conversion function.
///\param pers - IN: Conversion option
/// \li \c H5T_PERS_HARD for hard conversion functions
/// \li \c H5T_PERS_SOFT for soft conversion functions.
///\param name - IN: Name displayed in diagnostic output.
///\param dest - IN: Destination datatype.
///\param func - IN: Function to convert between source and
/// destination datatypes.
///\exception H5::DataTypeIException
///\par Description
/// For more information, please see:
/// http://www.hdfgroup.org/HDF5/doc/RM/RM_H5T.html#Datatype-Register
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void DataType::registerFunc(H5T_pers_t pers, const char* name, const DataType& dest, H5T_conv_t func) const
{
hid_t dest_id = dest.getId(); // get id of the destination datatype
// Call C routine H5Tregister to register the conversion function
herr_t ret_value = H5Tregister(pers, name, id, dest_id, func);
if(ret_value < 0)
{
throw DataTypeIException(inMemFunc("registerFunc"), "H5Tregister failed");
}
}
//--------------------------------------------------------------------------
// Function: DataType::registerFunc
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in the type of the
/// argument \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void DataType::registerFunc(H5T_pers_t pers, const H5std_string& name, const DataType& dest, H5T_conv_t func) const
{
registerFunc(pers, name.c_str(), dest, func);
}
//--------------------------------------------------------------------------
// Function: DataType::unregister
///\brief Removes a conversion function from all conversion paths.
///\param pers - IN: Conversion option
/// \li \c H5T_PERS_HARD for hard conversion functions
/// \li \c H5T_PERS_SOFT for soft conversion functions.
///\param name - IN: Name displayed in diagnostic output.
///\param dest - IN: Destination datatype.
///\param func - IN: Function to convert between source and
/// destination datatypes.
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void DataType::unregister(H5T_pers_t pers, const char* name, const DataType& dest, H5T_conv_t func) const
{
hid_t dest_id = dest.getId(); // get id of the dest datatype for C API
// Call C routine H5Tunregister to remove the conversion function
herr_t ret_value = H5Tunregister(pers, name, id, dest_id, func);
if(ret_value < 0)
{
throw DataTypeIException(inMemFunc("unregister"), "H5Tunregister failed");
}
}
//--------------------------------------------------------------------------
// Function: DataType::unregister
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in the type of the
/// argument \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void DataType::unregister(H5T_pers_t pers, const H5std_string& name, const DataType& dest, H5T_conv_t func) const
{
unregister(pers, name.c_str(), dest, func);
}
//--------------------------------------------------------------------------
// Function: DataType::setTag
///\brief Tags an opaque datatype.
///\param tag - IN: Descriptive ASCII string with which the opaque
/// datatype is to be tagged.
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void DataType::setTag(const char* tag) const
{
// Call C routine H5Tset_tag to tag an opaque datatype.
herr_t ret_value = H5Tset_tag(id, tag);
if(ret_value < 0)
{
throw DataTypeIException(inMemFunc("setTag"), "H5Tset_tag failed");
}
}
//--------------------------------------------------------------------------
// Function: DataType::setTag
///\brief This is an overloaded member function, provided for convenience.
/// It differs from the above function only in the type of the
/// argument \a name.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void DataType::setTag(const H5std_string& tag) const
{
setTag(tag.c_str());
}
//--------------------------------------------------------------------------
// Function: DataType::getTag
///\brief Gets the tag associated with an opaque datatype.
///\return Tag associated with the opaque datatype
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
H5std_string DataType::getTag() const
{
char* tag_Cstr = H5Tget_tag(id);
// if the tag C-string returned is not NULL, convert it to C++ string
// and return it, otherwise, raise an exception
if(tag_Cstr != NULL)
{
H5std_string tag = H5std_string(tag_Cstr); // C string to string object
H5free_memory(tag_Cstr); // free the C string
return (tag); // return the tag
}
else
{
throw DataTypeIException(inMemFunc("getTag"), "H5Tget_tag returns NULL for tag");
}
}
//--------------------------------------------------------------------------
// Function: DataType::detectClass
///\brief Checks whether a datatype contains (or is) a certain type of
/// datatype.
///\return true if this datatype contains or is the specified type,
/// and false, otherwise.
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - May, 2004
//--------------------------------------------------------------------------
bool DataType::detectClass(H5T_class_t cls) const
{
htri_t ret_value = H5Tdetect_class(id, cls);
if(ret_value > 0)
return true;
else if(ret_value == 0)
return false;
else
{
throw DataTypeIException(inMemFunc("detectClass"),
"H5Tdetect_class returns negative value");
}
}
//--------------------------------------------------------------------------
// Function: DataType::isVariableStr
///\brief Check whether this datatype is a variable-length string.
///\return true if this datatype is a variable-length string, and
/// false, otherwise.
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - May, 2004
//--------------------------------------------------------------------------
bool DataType::isVariableStr() const
{
htri_t is_varlen_str = H5Tis_variable_str(id);
if(is_varlen_str == 1)
return true;
else if(is_varlen_str == 0)
return false;
else
{
throw DataTypeIException(inMemFunc("isVariableStr"),
"H5Tis_variable_str returns negative value");
}
}
//--------------------------------------------------------------------------
// Function: DataType::getId
///\brief Get the id of this datatype
///\return Datatype identifier
// Modification:
// May 2008 - BMR
// Class hierarchy is revised to address bugzilla 1068. Class
// AbstractDS and Attribute are moved out of H5Object. In
// addition, member IdComponent::id is moved into subclasses, and
// IdComponent::getId now becomes pure virtual function.
// Programmer Binh-Minh Ribler - May, 2008
//--------------------------------------------------------------------------
hid_t DataType::getId() const
{
return(id);
}
#ifndef DOXYGEN_SHOULD_SKIP_THIS
//--------------------------------------------------------------------------
// Function: DataType::p_setId
///\brief Sets the identifier of this object to a new value.
///
///\exception H5::IdComponentException when the attempt to close the HDF5
/// object fails
// Description:
// The underlaying reference counting in the C library ensures
// that the current valid id of this object is properly closed.
// Then the object's id is reset to the new id.
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void DataType::p_setId(const hid_t new_id)
{
// handling references to this old id
try {
close();
}
catch (Exception& close_error) {
throw DataTypeIException(inMemFunc("p_setId"), close_error.getDetailMsg());
}
// reset object's id to the given id
id = new_id;
}
#endif // DOXYGEN_SHOULD_SKIP_THIS
//--------------------------------------------------------------------------
// Function: DataType::close
///\brief Closes the datatype if it is not a predefined type.
///
///\exception H5::DataTypeIException
// Programmer Binh-Minh Ribler - Mar 9, 2005
//--------------------------------------------------------------------------
void DataType::close()
{
if (p_valid_id(id))
{
herr_t ret_value = H5Tclose(id);
if(ret_value < 0)
{
throw DataTypeIException(inMemFunc("close"), "H5Tclose failed");
}
// reset the id
id = H5I_INVALID_HID;
}
}
//--------------------------------------------------------------------------
// Function: DataType destructor
///\brief Properly terminates access to this datatype.
// Programmer Binh-Minh Ribler - 2000
// Modification
// - Replaced resetIdComponent() with decRefCount() to use C
// library ID reference counting mechanism - BMR, Jun 1, 2004
// - Replaced decRefCount with close() to let the C library
// handle the reference counting - BMR, Jun 1, 2006
// - Added the use of H5CPP_EXITED to terminate the HDF5 library
// and elimiate previous memory leaks. See comments in the
// header file "H5PredType.h" for details. - BMR, Mar 30, 2012
// - Major re-implementation of the global constants was done
// to avoid relying on the order of the creation and deletion
// of the global constants. Hence, H5CPP_EXITED was removed.
// See Design Notes in "H5PredType.cpp" for details.
// - BMR, Sep 30, 2015
//--------------------------------------------------------------------------
DataType::~DataType()
{
try
{
close();
}
catch (Exception& close_error) {
cerr << inMemFunc("~DataType - ") << close_error.getDetailMsg() << endl;
}
}
} // end namespace
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