/// <summary>
/// Build an array of lists of <c>Struct_t</c> records associated with each unique <c>STRUCTID</c> value defined in the <c>STRUCT</c> table of
/// the data dictionary. The array element is mapped to the <c>STRUCTID</c> field of the table.
/// </summary>
/// <param name="structDataTable">Reference to the <c>STRUCT</c> table of the data dictionary.</param>
/// <returns>An array of lists of <c>Struct_t</c> records associated with each unique <c>STRUCTID</c> value in the <c>STRUCT</c> table of the
/// data dictionary, if the parameters are valid; otherwise, null.</returns>
private List <Struct_t>[] BuildStructLists(DataDictionary.STRUCTDataTable structDataTable)
{
// Local copy of the data table.
List <Struct_t>[] records;
if (structDataTable == null)
{
return(null);
}
try
{
// Determine the maximum value of the identifier field in the data table, it cannot be assumed that the table is sorted by identifier.
int iDMax = 0;
int iDCurrent = 0;
for (int recordIndex = 0; recordIndex < structDataTable.Count; recordIndex++)
{
iDCurrent = structDataTable[recordIndex].STRUCTID;
if (iDCurrent > iDMax)
{
iDMax = iDCurrent;
}
}
// Instantiate the lookup array.
records = new List <Struct_t> [iDMax + 1];
// Instantiate a generic list for each
for (int recordIndex = 0; recordIndex < iDMax + 1; recordIndex++)
{
records[recordIndex] = new List <Struct_t>();
}
// Populate the lookup table;
int identifier;
DataDictionary.STRUCTRow row;
for (int recordIndex = 0; recordIndex < structDataTable.Count; recordIndex++)
{
row = structDataTable[recordIndex];
identifier = row.STRUCTID;
// Instantiate a new structure to contain the data and copy the data across.
Struct_t record = new Struct_t();
record.StructureIdentifier = row.STRUCTID;
record.EventVariableIdentifier = row.EVENTVARID;
// Add the record to the correct element of the array.
records[identifier].Add(record);
}
}
catch (Exception)
{
return(null);
}
return(records);
}
/// <summary>
/// Initialize a new instance of the class.
/// </summary>
/// <param name="dataTable">Reference to the <c>EVENTS</c> table of the data dictionary. This table contains the VCU system event definitions.</param>
/// <param name="structDataTable">Reference to the <c>STRUCT</c> table of the data dictionary. This table defines which event variables are associated
/// with each VCU system event.</param>
public EventTable(DataDictionary.EVENTSDataTable dataTable, DataDictionary.STRUCTDataTable structDataTable)
: base(dataTable)
{
if (structDataTable == null)
{
return;
}
m_EventsDataTable = dataTable;
m_StructLists = BuildStructLists(structDataTable);
AddEventVariableLists();
m_CommonEventVariableCount = m_StructLists[0].Count - HeaderEventVariableCount;
}
