//-------------------------------------------------------------------------- // 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; }