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116 lines
4.0 KiB
116 lines
4.0 KiB
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://www.hdfgroup.org/licenses. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/************************************************************
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Creating groups using absolute and relative names.
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************************************************************/
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package examples.intro;
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import hdf.hdf5lib.H5;
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import hdf.hdf5lib.HDF5Constants;
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public class H5_CreateGroupAbsoluteRelative {
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private static String FILENAME = "H5_CreateGroupAbsoluteRelative.h5";
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private static String GROUPNAME = "MyGroup";
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private static String GROUPNAME_A = "GroupA";
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private static String GROUPNAME_B = "GroupB";
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private static void CreateGroupAbsoluteAndRelative()
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{
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long file_id = HDF5Constants.H5I_INVALID_HID;
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long group1_id = HDF5Constants.H5I_INVALID_HID;
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long group2_id = HDF5Constants.H5I_INVALID_HID;
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long group3_id = HDF5Constants.H5I_INVALID_HID;
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// Create a new file using default properties.
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try {
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file_id = H5.H5Fcreate(FILENAME, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT,
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HDF5Constants.H5P_DEFAULT);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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// Create a group named "/MyGroup" in the file.
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try {
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if (file_id >= 0)
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group1_id = H5.H5Gcreate(file_id, "/" + GROUPNAME, HDF5Constants.H5P_DEFAULT,
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HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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// Create group "Group_A" in group "MyGroup" using absolute name.
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try {
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if (file_id >= 0)
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group2_id =
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H5.H5Gcreate(file_id, "/" + GROUPNAME + "/" + GROUPNAME_A, HDF5Constants.H5P_DEFAULT,
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HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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// Create group "Group_B" in group "MyGroup" using relative name.
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try {
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if (group1_id >= 0)
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group3_id = H5.H5Gcreate(group1_id, GROUPNAME_B, HDF5Constants.H5P_DEFAULT,
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HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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// Close the group3.
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try {
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if (group3_id >= 0)
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H5.H5Gclose(group3_id);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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// Close the group2.
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try {
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if (group2_id >= 0)
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H5.H5Gclose(group2_id);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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// Close the group1.
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try {
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if (group1_id >= 0)
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H5.H5Gclose(group1_id);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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// Close the file.
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try {
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if (file_id >= 0)
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H5.H5Fclose(file_id);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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}
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public static void main(String[] args)
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{
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H5_CreateGroupAbsoluteRelative.CreateGroupAbsoluteAndRelative();
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}
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}
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