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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/************************************************************
Creating groups using absolute and relative names.
************************************************************/
package examples.intro;
import hdf.hdf5lib.H5;
import hdf.hdf5lib.HDF5Constants;
public class H5_CreateGroupAbsoluteRelative {
private static String FILENAME = "H5_CreateGroupAbsoluteRelative.h5";
private static String GROUPNAME = "MyGroup";
private static String GROUPNAME_A = "GroupA";
private static String GROUPNAME_B = "GroupB";
private static void CreateGroupAbsoluteAndRelative()
{
long file_id = HDF5Constants.H5I_INVALID_HID;
long group1_id = HDF5Constants.H5I_INVALID_HID;
long group2_id = HDF5Constants.H5I_INVALID_HID;
long group3_id = HDF5Constants.H5I_INVALID_HID;
// Create a new file using default properties.
try {
file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT,
HDF5Constants.H5P_DEFAULT);
}
catch (Exception e) {
e.printStackTrace();
}
// Create a group named "/MyGroup" in the file.
try {
if (file_id >= 0)
group1_id = H5.H5Gcreate(file_id, "/" + GROUPNAME, HDF5Constants.H5P_DEFAULT,
HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
}
catch (Exception e) {
e.printStackTrace();
}
// Create group "Group_A" in group "MyGroup" using absolute name.
try {
if (file_id >= 0)
group2_id =
H5.H5Gcreate(file_id, "/" + GROUPNAME + "/" + GROUPNAME_A, HDF5Constants.H5P_DEFAULT,
HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
}
catch (Exception e) {
e.printStackTrace();
}
// Create group "Group_B" in group "MyGroup" using relative name.
try {
if (group1_id >= 0)
group3_id = H5.H5Gcreate(group1_id, GROUPNAME_B, HDF5Constants.H5P_DEFAULT,
HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
}
catch (Exception e) {
e.printStackTrace();
}
// Close the group3.
try {
if (group3_id >= 0)
H5.H5Gclose(group3_id);
}
catch (Exception e) {
e.printStackTrace();
}
// Close the group2.
try {
if (group2_id >= 0)
H5.H5Gclose(group2_id);
}
catch (Exception e) {
e.printStackTrace();
}
// Close the group1.
try {
if (group1_id >= 0)
H5.H5Gclose(group1_id);
}
catch (Exception e) {
e.printStackTrace();
}
// Close the file.
try {
if (file_id >= 0)
H5.H5Fclose(file_id);
}
catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args)
{
H5_CreateGroupAbsoluteRelative.CreateGroupAbsoluteAndRelative();
}
}
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