fa4cd88c90
Former-commit-id:d8da2252c3[formerly580e2938d7] [formerly66be3bec40] [formerlyc83e5ff474[formerly66be3bec40[formerly 2a9569942c48542cf708b6c0b9189146fd954c11]]] Former-commit-id:c83e5ff474Former-commit-id:21d2361f00[formerly1faae42484] Former-commit-id:82300ccdcf
92 lines
2.6 KiB
Java
Executable file
92 lines
2.6 KiB
Java
Executable file
// @(#) Sandia: $Header$
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// @(#) Sandia: $Source$
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// @(#) Sandia: $Revision$
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// @(#) Sandia: $Author$
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// @(#) Sandia: $Date$
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//
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// Copyright 2006 Sandia National Laboratories. All rights reserved.
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import java.util.Date;
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import java.util.Vector;
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import ncsa.hdf.hdf5lib.H5;
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import ncsa.hdf.hdf5lib.HDF5Constants;
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import ncsa.hdf.object.Dataset;
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import ncsa.hdf.object.Datatype;
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import ncsa.hdf.object.Group;
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import ncsa.hdf.object.h5.H5Datatype;
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import ncsa.hdf.object.h5.H5File;
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public class TestHDF5Create
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{
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public static void main (String[] args) throws Exception
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{
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H5File file = new H5File("./TestHDF5Create.h5", H5File.WRITE);
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// get the root group
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Group rootgroup = (Group)file.get("/");
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if (rootgroup == null)
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{
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throw new Exception("Could not get group: /");
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}
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// make a subgroup using the current timestamp (milliseconds since epoch)
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Date now = new Date();
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String nowString = new Long(now.getTime()).toString();
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String newGroupPath = "/" + nowString;
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Group newGroup = file.createGroup(nowString, rootgroup);
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if (newGroup == null)
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{
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throw new Exception("Could not create new group: " + newGroupPath);
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}
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// flush the changes
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H5.H5Fflush(file.getFID(), HDF5Constants.H5F_SCOPE_GLOBAL);
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// reopen the file
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file = new H5File("./TestHDF5Create.h5", H5File.WRITE);
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// read the subgroup
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newGroup = (Group)file.get(newGroupPath);
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if (newGroup == null)
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{
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throw new Exception("Could not get newly created group: " + newGroupPath);
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}
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// make a table in the new group
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String newTablePath = newGroupPath + "/CreatedTable";
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long[] dims = {3};
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String[] memberNames = {"Column"};
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Datatype[] datatypes = {
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new H5Datatype(
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Datatype.CLASS_STRING,
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256,
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Datatype.NATIVE,
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Datatype.NATIVE)};
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int[] memberOrders = {256};
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Vector<String[]> data = new Vector<String[]>();
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String[] columnValues = {"One", "Two", "Three"};
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data.add(columnValues);
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Dataset dataset = file.createCompoundDS(
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"CreatedTable", newGroup, dims, memberNames,
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datatypes, memberOrders, data);
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// flush the changes
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H5.H5Fflush(file.getFID(), HDF5Constants.H5F_SCOPE_GLOBAL);
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// reopen the file
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file = new H5File("./TestHDF5Create.h5", H5File.WRITE);
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// read the new table
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dataset = (Dataset)file.get(newTablePath);
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if (dataset == null)
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{
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throw new Exception("Could not get newly created table: " + newTablePath);
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}
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System.out.println("OK");
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}
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}
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