public void H5Iget_file_idTest1()
{
hid_t gid = H5G.create(m_v0_test_file, "A");
Assert.IsTrue(gid > 0);
hid_t file = H5I.get_file_id(gid);
Assert.IsTrue(file >= 0);
Assert.IsTrue(file == m_v0_test_file);
Assert.IsTrue(H5G.close(gid) >= 0);
gid = H5G.create(m_v2_test_file, "A");
Assert.IsTrue(gid > 0);
file = H5I.get_file_id(gid);
Assert.IsTrue(file >= 0);
Assert.IsTrue(file == m_v2_test_file);
Assert.IsTrue(H5G.close(gid) >= 0);
}
/// <summary>
/// Prepares an attribute. The following use cases exist:
/// InitializeAttribute = False: no data is written
/// InitializeAttribute = True and DimensionLimitSet < H5S.Unlimited: overwrite attribute data
/// InitializeAttribute = True and DimensionLimitSet = H5S.Unlimited: merge attribute data
/// </summary>
/// <typeparam name="T">The data type of the attribute to be created.</typeparam>
/// <param name="locationId">The location ID.</param>
/// <param name="name">The name of the attribute.</param>
/// <param name="valueSet">The values to be written to the attribute.</param>
/// <param name="dimensionLimitSet">The maximum dimensions of the attribute.</param>
/// <param name="initializeAttribute">A boolean which indicates if the attribute data shall be untouched, overwritten or merged.</param>
/// <param name="callerMemberName">The name of the calling function.</param>
public static void PrepareAttribute <T>(long locationId, string name, T[] valueSet, ulong[] dimensionLimitSet, bool initializeAttribute, [CallerMemberName()] string callerMemberName = "")
{
Contract.Requires(valueSet != null, nameof(valueSet));
long fileId = -1;
long typeId = -1;
long attributeId = -1;
ulong[] dimensionSet;
bool isNew;
Type elementType;
dimensionSet = new ulong[] { 0 };
elementType = typeof(T);
try
{
fileId = H5I.get_file_id(locationId);
// create attribute
typeId = TypeConversionHelper.GetHdfTypeIdFromType(fileId, elementType);
(attributeId, isNew) = IOHelper.OpenOrCreateAttribute(locationId, name, typeId, (ulong)valueSet.LongLength, dimensionLimitSet);
// write attribute data (regenerate attribute if necessary)
if (initializeAttribute)
{
ulong[] oldValueSetCount;
if (!isNew && callerMemberName != nameof(IOHelper.PrepareAttribute))
{
oldValueSetCount = IOHelper.PrepareAttributeValueSet(attributeId, ref valueSet, false);
}
else
{
oldValueSetCount = new ulong[1] {
(ulong)valueSet.Count()
};
}
if (valueSet.Count() == (int)oldValueSetCount[0])
{
IOHelper.Write(attributeId, valueSet, DataContainerType.Attribute);
}
else
{
H5A.close(attributeId);
H5A.delete(locationId, name);
IOHelper.PrepareAttribute(locationId, name, valueSet, dimensionLimitSet, true);
}
}
}
finally
{
if (H5I.is_valid(attributeId) > 0)
{
H5A.close(attributeId);
}
if (H5I.is_valid(typeId) > 0)
{
H5T.close(typeId);
}
if (H5I.is_valid(fileId) > 0)
{
H5F.close(fileId);
}
}
}
public void H5Iget_file_idTest2()
{
Assert.IsFalse(
H5I.get_file_id(Utilities.RandomInvalidHandle()) >= 0);
}