public void WriteDataRow(DataRow dataRow, IndexWriterRuleCollection ruleCollection, AnalyzerType analyzerType)
{
if (dataRow == null)
{
throw new ArgumentNullException("dataRow", "dataRow cannot be null");
}
if (ruleCollection == null)
{
throw new ArgumentNullException("ruleCollection", "ruleCollection cannot be null");
}
DataTable dataTable = dataRow.Table;
int totalColumns = dataTable.Columns.Count;
IndexDocument document = new IndexDocument();
for (int j = 0; j < totalColumns; j++)
{
DataColumn column = dataTable.Columns[j];
if (string.IsNullOrEmpty(column.ColumnName))
{
continue;
}
IndexWriterRule rule = ruleCollection.GetRuleFromType(column.DataType);
if (rule.SkipField(column.DataType, column.ColumnName))
{
continue;
}
FieldStorage storageRule = rule.GetStorageRule(column.ColumnName);
// that's all the field data, now lets get the value data
object rowValue = dataRow[j];
bool isRowNull = rowValue == null || rowValue == DBNull.Value;
if (rule.SkipColumnIfNull && isRowNull)
{
continue;
}
else if (!rule.SkipColumnIfNull && string.IsNullOrEmpty(rule.DefaultValueIfNull))
{
continue;
}
string fieldValue = (isRowNull) ? rule.DefaultValueIfNull : rowValue.ToString();
rowValue = null;
document.Add(new FieldNormal(column.ColumnName, fieldValue, storageRule.Store, storageRule.SearchRule, storageRule.VectorRule));
}
if (document.TotalFields > 0)
{
if (analyzerType == AnalyzerType.None || analyzerType == AnalyzerType.Unknown)
{
this.Write(document);
}
else
{
this.Write(document, analyzerType);
}
}
}
/// <summary>
/// Determines if the specified fieldname should be skipped depending on the rule contained in this instance
/// </summary>
/// <param name="fieldType">Type of the field.</param>
/// <param name="fieldName">Name of the field.</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException">
/// The <paramref name="fieldType"/> parameter is null
/// </exception>
/// <exception cref="System.ArgumentNullException">
/// The <paramref name="fieldName"/> parameter is null or empty
/// </exception>
public bool SkipField(Type fieldType, string fieldName)
{
if (fieldType == null)
{
throw new ArgumentNullException("fieldType", "fieldType cannot be null");
}
if (string.IsNullOrEmpty(fieldName))
{
throw new ArgumentNullException("fieldName", "fieldName cannot be null or empty");
}
IndexWriterRule rule = GetRuleFromType(fieldType);
// no rule? include it!
if (rule == null)
{
return(false);
}
return(rule.SkipField(fieldType, fieldName));
}
