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* commit '54957d37f5aa73912763dbb6e308555e863c43f4': Commit copyright header change for src/H5PLpkg.c which was added after running script to make changes. Add new files in release_docs to MANIFEST. Cimmit changes to Makefile.in(s) and H5PL.c that resulted from running autogen.sh. Merge pull request #407 in HDFFV/hdf5 from ~LRKNOX/hdf5_lrk:hdf5_1_10_1 to hdf5_1_10_1 Change copyright headers to replace url referring to file to be removed and replace it with new url for COPYING file.
265 lines
8.6 KiB
Java
265 lines
8.6 KiB
Java
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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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://support.hdfgroup.org/ftp/HDF5/releases. *
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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 a file and print the storage layout.
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************************************************************/
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package examples.groups;
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import hdf.hdf5lib.H5;
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import hdf.hdf5lib.HDF5Constants;
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import hdf.hdf5lib.structs.H5G_info_t;
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import java.util.EnumSet;
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import java.util.HashMap;
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import java.util.Map;
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public class H5Ex_G_Compact {
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private static final String FILE1 = "H5Ex_G_Compact1.h5";
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private static final String FILE2 = "H5Ex_G_Compact2.h5";
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private static final String GROUP = "G1";
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enum H5G_storage {
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H5G_STORAGE_TYPE_UNKNOWN(-1),
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H5G_STORAGE_TYPE_SYMBOL_TABLE(0),
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H5G_STORAGE_TYPE_COMPACT(1),
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H5G_STORAGE_TYPE_DENSE(2);
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private static final Map<Integer, H5G_storage> lookup = new HashMap<Integer, H5G_storage>();
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static {
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for (H5G_storage s : EnumSet.allOf(H5G_storage.class))
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lookup.put(s.getCode(), s);
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}
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private int code;
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H5G_storage(int layout_type) {
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this.code = layout_type;
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}
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public int getCode() {
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return this.code;
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}
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public static H5G_storage get(int code) {
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return lookup.get(code);
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}
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}
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public static void CreateGroup() {
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long file_id = -1;
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long group_id = -1;
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long fapl_id = -1;
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H5G_info_t ginfo;
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long size;
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// Create file 1. This file will use original format groups.
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try {
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file_id = H5.H5Fcreate (FILE1, HDF5Constants.H5F_ACC_TRUNC, 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 a group in the file1.
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try {
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if(file_id >= 0)
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group_id = H5.H5Gcreate(file_id, GROUP, HDF5Constants.H5P_DEFAULT, 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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// Obtain the group info and print the group storage type.
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try {
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if(group_id >= 0) {
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ginfo = H5.H5Gget_info(group_id);
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System.out.print("Group storage type for " + FILE1 + " is: ");
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switch (H5G_storage.get(ginfo.storage_type)) {
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case H5G_STORAGE_TYPE_COMPACT:
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System.out.println("H5G_STORAGE_TYPE_COMPACT"); // New compact format
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break;
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case H5G_STORAGE_TYPE_DENSE:
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System.out.println("H5G_STORAGE_TYPE_DENSE"); // New dense (indexed) format
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break;
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case H5G_STORAGE_TYPE_SYMBOL_TABLE:
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System.out.println("H5G_STORAGE_TYPE_SYMBOL_TABLE"); // Original format
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break;
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case H5G_STORAGE_TYPE_UNKNOWN:
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System.out.println("H5G_STORAGE_TYPE_UNKNOWN");
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break;
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default:
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System.out.println("Storage Type Invalid");
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break;
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}
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}
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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 group.
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try {
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if (group_id >= 0)
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H5.H5Gclose(group_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 1.
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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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// Re-open file 1. Need to get the correct file size.
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try {
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file_id = H5.H5Fopen(FILE1, HDF5Constants.H5F_ACC_RDONLY, 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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// Obtain and print the file size.
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try {
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if (file_id >= 0) {
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size = H5.H5Fget_filesize(file_id);
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System.out.println("File size for " + FILE1 + " is: " + size + " bytes");
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}
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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 FILE1.
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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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// Set file access property list to allow the latest file format.
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// This will allow the library to create new compact format groups.
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try {
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fapl_id = H5.H5Pcreate(HDF5Constants.H5P_FILE_ACCESS);
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if (fapl_id >= 0)
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H5.H5Pset_libver_bounds(fapl_id, HDF5Constants.H5F_LIBVER_LATEST, HDF5Constants.H5F_LIBVER_LATEST);
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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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System.out.println();
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// Create file 2 using the new file access property list.
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try {
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file_id = H5.H5Fcreate(FILE2, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT, fapl_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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// Create group in file2.
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try {
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if(file_id >= 0)
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group_id = H5.H5Gcreate(file_id, GROUP, HDF5Constants.H5P_DEFAULT, 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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// Obtain the group info and print the group storage type.
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try {
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if (group_id >= 0) {
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ginfo = H5.H5Gget_info(group_id);
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System.out.print("Group storage type for " + FILE2 + " is: ");
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switch (H5G_storage.get(ginfo.storage_type)) {
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case H5G_STORAGE_TYPE_COMPACT:
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System.out.println("H5G_STORAGE_TYPE_COMPACT"); // New compact format
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break;
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case H5G_STORAGE_TYPE_DENSE:
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System.out.println("H5G_STORAGE_TYPE_DENSE"); // New dense (indexed) format
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break;
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case H5G_STORAGE_TYPE_SYMBOL_TABLE:
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System.out.println("H5G_STORAGE_TYPE_SYMBOL_TABLE"); // Original format
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break;
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case H5G_STORAGE_TYPE_UNKNOWN:
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System.out.println("H5G_STORAGE_TYPE_UNKNOWN");
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break;
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default:
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System.out.println("Storage Type Invalid");
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break;
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}
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}
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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 group.
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try {
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if (group_id >= 0)
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H5.H5Gclose(group_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 2.
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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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// Re-open file 2. Needed to get the correct file size.
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try {
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file_id = H5.H5Fopen(FILE2, HDF5Constants.H5F_ACC_RDONLY, fapl_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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// Obtain and print the file size.
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try {
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if (file_id >= 0) {
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size = H5.H5Fget_filesize(file_id);
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System.out.println("File size for " + FILE2 + " is: " + size + " bytes");
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}
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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 FILE2.
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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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H5Ex_G_Compact.CreateGroup();
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}
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}
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