//--------------------------------------------------------------------------
// Function: typeExists (static)
///\brief Queries if a given type is currently registered with the
/// library.
///\return true if the given type exists, and false, otherwise.
///\par Description
/// Valid types are:
/// \li \c H5I_FILE (= 1)
/// \li \c H5I_GROUP
/// \li \c H5I_DATATYPE
/// \li \c H5I_DATASPACE
/// \li \c H5I_DATASET
/// \li \c H5I_ATTR
/// \li \c H5I_VFL
/// \li \c H5I_VOL
/// \li \c H5I_GENPROP_CLS
/// \li \c H5I_GENPROP_LST
/// \li \c H5I_ERROR_CLASS
/// \li \c H5I_ERROR_MSG
/// \li \c H5I_ERROR_STACK
// Programmer Binh-Minh Ribler - Feb, 2017
//--------------------------------------------------------------------------
bool IdComponent::typeExists(H5I_type_t type)
{
// Call C function
htri_t ret_value = H5Itype_exists(type);
if (ret_value > 0)
return true;
else if (ret_value == 0)
return false;
else // Raise exception when H5Itype_exists returns a negative value
throw IdComponentException("typeExists", "H5Itype_exists failed");
}
/*
* Class: hdf_hdf5lib_H5
* Method: H5Itype_exists
* Signature: (I)Z
*/
JNIEXPORT jboolean JNICALL
Java_hdf_hdf5lib_H5_H5Itype_1exists
(JNIEnv *env, jclass clss, jint type)
{
htri_t bval = JNI_FALSE;
bval = H5Itype_exists((H5I_type_t)type);
if (bval > 0)
bval = JNI_TRUE;
else if (bval < 0)
h5libraryError(env);
return (jboolean)bval;
} /* end else Java_hdf_hdf5lib_H5_H5Itype_1exists */
/* Test basic functionality of registering and deleting types and IDs */
static int basic_id_test(void)
{
H5I_type_t myType = H5I_BADID;
hid_t arrayID = H5I_INVALID_HID;
void* testObj = NULL;
void* testPtr = NULL;
char nameString[10];
hid_t testID;
ssize_t testSize = -1;
herr_t err;
int num_ref;
hsize_t num_members;
/* Try to register an ID with ficticious types */
H5E_BEGIN_TRY
arrayID = H5Iregister((H5I_type_t) 420, testObj);
H5E_END_TRY
VERIFY(arrayID, H5I_INVALID_HID, "H5Iregister");
if(arrayID != H5I_INVALID_HID)
goto out;
H5E_BEGIN_TRY
arrayID = H5Iregister((H5I_type_t) -1, testObj);
H5E_END_TRY
VERIFY(arrayID, H5I_INVALID_HID, "H5Iregister");
if(arrayID != H5I_INVALID_HID)
goto out;
/* Try to access IDs with ficticious types */
H5E_BEGIN_TRY
testPtr = H5Iobject_verify((hid_t)100, (H5I_type_t) 0);
H5E_END_TRY
VERIFY(testPtr, NULL, "H5Iobject_verify");
if(testPtr != NULL)
goto out;
H5E_BEGIN_TRY
testPtr = H5Iobject_verify((hid_t)700, (H5I_type_t) 700);
H5E_END_TRY
VERIFY(testPtr, NULL, "H5Iobject_verify");
if(testPtr != NULL)
goto out;
/* Register a type */
myType = H5Iregister_type((size_t)64, 0, (H5I_free_t) free );
CHECK(myType, H5I_BADID, "H5Iregister_type");
if(myType == H5I_BADID)
goto out;
/* Register an ID and retrieve the object it points to.
* Once the ID has been registered, testObj will be freed when
* its ID type is destroyed. */
testObj = HDmalloc(7 * sizeof(int));
arrayID = H5Iregister(myType, testObj);
CHECK(arrayID, H5I_INVALID_HID, "H5Iregister");
if(arrayID == H5I_INVALID_HID)
{
HDfree(testObj);
goto out;
}
testPtr = (int *) H5Iobject_verify(arrayID, myType);
VERIFY(testPtr, testObj, "H5Iobject_verify");
if(testPtr != testObj)
goto out;
/* Ensure that H5Iget_file_id and H5Iget_name() fail, since this
* is an hid_t for the wrong kind of object */
H5E_BEGIN_TRY
testID = H5Iget_file_id(arrayID);
H5E_END_TRY
VERIFY(testID, H5I_INVALID_HID, "H5Iget_file_id");
if(testID != H5I_INVALID_HID)
goto out;
H5E_BEGIN_TRY
testSize = H5Iget_name(arrayID, nameString, (size_t)9);
H5E_END_TRY
VERIFY(testSize, -1, "H5Iget_name");
if(testSize != -1)
goto out;
/* Make sure H5Iremove_verify catches objects of the wrong type */
H5E_BEGIN_TRY
testPtr = (int*) H5Iremove_verify(arrayID, (H5I_type_t) 0);
H5E_END_TRY
VERIFY(testPtr, NULL, "H5Iremove_verify");
if(testPtr != NULL)
goto out;
H5E_BEGIN_TRY
testPtr = (int*) H5Iremove_verify(arrayID, (H5I_type_t) ((int) myType-1));
H5E_END_TRY
VERIFY(testPtr, NULL, "H5Iremove_verify");
if(testPtr != NULL)
goto out;
/* Remove an ID and make sure we can't access it */
testPtr = (int*) H5Iremove_verify(arrayID, myType);
CHECK(testPtr, NULL, "H5Iremove_verify");
if(testPtr == NULL)
goto out;
H5E_BEGIN_TRY
testPtr = (int*) H5Iobject_verify(arrayID, myType);
H5E_END_TRY
VERIFY(testPtr, NULL, "H5Iobject_verify");
if(testPtr != NULL)
goto out;
/* Delete the type and make sure we can't access objects within it */
arrayID = H5Iregister(myType, testObj);
err = H5Idestroy_type(myType);
VERIFY(err, 0, "H5Idestroy_type");
if( err != 0)
goto out;
VERIFY(H5Itype_exists(myType), 0, "H5Itype_exists");
if(H5Itype_exists(myType) != 0)
goto out;
H5E_BEGIN_TRY
VERIFY(H5Inmembers(myType, NULL), -1, "H5Inmembers");
if(H5Inmembers(myType, NULL) != -1)
goto out;
H5E_END_TRY
/* Register another type and another object in that type */
myType = H5Iregister_type((size_t)64, 0, (H5I_free_t) free );
CHECK(myType, H5I_BADID, "H5Iregister_type");
if(myType == H5I_BADID)
goto out;
/* The memory that testObj pointed to should already have been
* freed when the previous type was destroyed. Allocate new
* memory for it.
*/
testObj = HDmalloc(7 * sizeof(int));
arrayID = H5Iregister(myType, testObj);
CHECK(arrayID, H5I_INVALID_HID, "H5Iregister");
if(arrayID == H5I_INVALID_HID)
{
HDfree(testObj);
goto out;
}
err = H5Inmembers(myType, &num_members);
CHECK(err, -1, "H5Inmembers");
if (err < 0)
goto out;
VERIFY(num_members, 1, "H5Inmembers");
if(num_members != 1)
goto out;
/* Increment references to type and ensure that dec_type_ref
doesn't destroy the type */
num_ref = H5Iinc_type_ref(myType);
VERIFY(num_ref, 2, "H5Iinc_type_ref");
if( num_ref != 2)
goto out;
num_ref = H5Idec_type_ref(myType);
VERIFY(num_ref, 1, "H5Idec_type_ref");
if(num_ref != 1)
goto out;
err = H5Inmembers(myType, &num_members);
CHECK(err, -1, "H5Inmembers");
if (err < 0)
goto out;
VERIFY(num_members, 1, "H5Inmembers");
if(num_members != 1)
goto out;
/* This call to dec_type_ref should destroy the type */
num_ref = H5Idec_type_ref(myType);
VERIFY(num_ref, 0, "H5Idec_type_ref");
if(num_ref != 0)
goto out;
VERIFY(H5Itype_exists(myType), 0, "H5Itype_exists");
if (H5Itype_exists(myType) != 0)
goto out;
H5E_BEGIN_TRY
err = H5Inmembers(myType, &num_members);
if(err >= 0)
goto out;
H5E_END_TRY
return 0;
out:
/* Clean up type if it has been allocated and free memory used
* by testObj */
if(myType >= 0)
H5Idestroy_type(myType);
return -1;
}
