/// <summary>
/// Converts <see cref="System.Data.DataRow"/> to <see cref="MediaObjectRow"/>.
/// </summary>
/// <param name="row">The <see cref="System.Data.DataRow"/> object to be mapped.</param>
/// <returns>A reference to the <see cref="MediaObjectRow"/> object.</returns>
protected virtual MediaObjectRow MapRow(DataRow row)
{
MediaObjectRow mappedObject = new MediaObjectRow();
DataTable dataTable = row.Table;
DataColumn dataColumn;
// Column "Object_ID"
dataColumn = dataTable.Columns["Object_ID"];
if (!row.IsNull(dataColumn))
{
mappedObject.Object_ID = (int)row[dataColumn];
}
// Column "Object_Type"
dataColumn = dataTable.Columns["Object_Type"];
if (!row.IsNull(dataColumn))
{
mappedObject.Object_Type = (int)row[dataColumn];
}
// Column "Object_Value"
dataColumn = dataTable.Columns["Object_Value"];
if (!row.IsNull(dataColumn))
{
mappedObject.Object_Value = (string)row[dataColumn];
}
// Column "Object_Url"
dataColumn = dataTable.Columns["Object_Url"];
if (!row.IsNull(dataColumn))
{
mappedObject.Object_Url = (string)row[dataColumn];
}
// Column "Object_Note"
dataColumn = dataTable.Columns["Object_Note"];
if (!row.IsNull(dataColumn))
{
mappedObject.Object_Note = (string)row[dataColumn];
}
// Column "UserID"
dataColumn = dataTable.Columns["UserID"];
if (!row.IsNull(dataColumn))
{
mappedObject.UserID = (string)row[dataColumn];
}
return(mappedObject);
}
/// <summary>
/// Updates a record in the <c>MediaObject</c> table.
/// </summary>
/// <param name="value">The <see cref="MediaObjectRow"/>
/// object used to update the table record.</param>
/// <returns>true if the record was updated; otherwise, false.</returns>
public virtual bool Update(MediaObjectRow value)
{
string sqlStr = "UPDATE [dbo].[MediaObject] SET " +
"[Object_Type]=" + _db.CreateSqlParameterName("@Object_Type") + ", " +
"[Object_Value]=" + _db.CreateSqlParameterName("@Object_Value") + ", " +
"[Object_Url]=" + _db.CreateSqlParameterName("@Object_Url") + ", " +
"[Object_Note]=" + _db.CreateSqlParameterName("@Object_Note") + ", " +
"[UserID]=" + _db.CreateSqlParameterName("@UserID") +
" WHERE " +
"[Object_ID]=" + _db.CreateSqlParameterName("@Object_ID");
IDbCommand cmd = _db.CreateCommand(sqlStr);
AddParameter(cmd, "@Object_Type",
value.IsObject_TypeNull ? DBNull.Value : (object)value.Object_Type);
AddParameter(cmd, "@Object_Value", value.Object_Value);
AddParameter(cmd, "@Object_Url", value.Object_Url);
AddParameter(cmd, "@Object_Note", value.Object_Note);
AddParameter(cmd, "@UserID", value.UserID);
AddParameter(cmd, "@Object_ID", value.Object_ID);
return(0 != cmd.ExecuteNonQuery());
}
/// <summary>
/// Adds a new record into the <c>MediaObject</c> table.
/// </summary>
/// <param name="value">The <see cref="MediaObjectRow"/> object to be inserted.</param>
public virtual void Insert(MediaObjectRow value)
{
string sqlStr = "INSERT INTO [dbo].[MediaObject] (" +
"[Object_Type], " +
"[Object_Value], " +
"[Object_Url], " +
"[Object_Note], " +
"[UserID]" +
") VALUES (" +
_db.CreateSqlParameterName("@Object_Type") + ", " +
_db.CreateSqlParameterName("@Object_Value") + ", " +
_db.CreateSqlParameterName("@Object_Url") + ", " +
_db.CreateSqlParameterName("@Object_Note") + ", " +
_db.CreateSqlParameterName("@UserID") + ");SELECT @@IDENTITY";
IDbCommand cmd = _db.CreateCommand(sqlStr);
AddParameter(cmd, "@Object_Type",
value.IsObject_TypeNull ? DBNull.Value : (object)value.Object_Type);
AddParameter(cmd, "@Object_Value", value.Object_Value);
AddParameter(cmd, "@Object_Url", value.Object_Url);
AddParameter(cmd, "@Object_Note", value.Object_Note);
AddParameter(cmd, "@UserID", value.UserID);
value.Object_ID = Convert.ToInt32(cmd.ExecuteScalar());
}
/// <summary>
/// Reads data from the provided data reader and returns
/// an array of mapped objects.
/// </summary>
/// <param name="reader">The <see cref="System.Data.IDataReader"/> object to read data from the table.</param>
/// <param name="startIndex">The index of the first record to map.</param>
/// <param name="length">The number of records to map.</param>
/// <param name="totalRecordCount">A reference parameter that returns the total number
/// of records in the reader object if 0 was passed into the method; otherwise it returns -1.</param>
/// <returns>An array of <see cref="MediaObjectRow"/> objects.</returns>
protected virtual MediaObjectRow[] MapRecords(IDataReader reader,
int startIndex, int length, ref int totalRecordCount)
{
if (0 > startIndex)
{
throw new ArgumentOutOfRangeException("startIndex", startIndex, "StartIndex cannot be less than zero.");
}
if (0 > length)
{
throw new ArgumentOutOfRangeException("length", length, "Length cannot be less than zero.");
}
int object_IDColumnIndex = reader.GetOrdinal("Object_ID");
int object_TypeColumnIndex = reader.GetOrdinal("Object_Type");
int object_ValueColumnIndex = reader.GetOrdinal("Object_Value");
int object_UrlColumnIndex = reader.GetOrdinal("Object_Url");
int object_NoteColumnIndex = reader.GetOrdinal("Object_Note");
int userIDColumnIndex = reader.GetOrdinal("UserID");
System.Collections.ArrayList recordList = new System.Collections.ArrayList();
int ri = -startIndex;
while (reader.Read())
{
ri++;
if (ri > 0 && ri <= length)
{
MediaObjectRow record = new MediaObjectRow();
recordList.Add(record);
record.Object_ID = Convert.ToInt32(reader.GetValue(object_IDColumnIndex));
if (!reader.IsDBNull(object_TypeColumnIndex))
{
record.Object_Type = Convert.ToInt32(reader.GetValue(object_TypeColumnIndex));
}
if (!reader.IsDBNull(object_ValueColumnIndex))
{
record.Object_Value = Convert.ToString(reader.GetValue(object_ValueColumnIndex));
}
if (!reader.IsDBNull(object_UrlColumnIndex))
{
record.Object_Url = Convert.ToString(reader.GetValue(object_UrlColumnIndex));
}
if (!reader.IsDBNull(object_NoteColumnIndex))
{
record.Object_Note = Convert.ToString(reader.GetValue(object_NoteColumnIndex));
}
if (!reader.IsDBNull(userIDColumnIndex))
{
record.UserID = Convert.ToString(reader.GetValue(userIDColumnIndex));
}
if (ri == length && 0 != totalRecordCount)
{
break;
}
}
}
totalRecordCount = 0 == totalRecordCount ? ri + startIndex : -1;
return((MediaObjectRow[])(recordList.ToArray(typeof(MediaObjectRow))));
}
/// <summary>
/// Deletes the specified object from the <c>MediaObject</c> table.
/// </summary>
/// <param name="value">The <see cref="MediaObjectRow"/> object to delete.</param>
/// <returns>true if the record was deleted; otherwise, false.</returns>
public bool Delete(MediaObjectRow value)
{
return(DeleteByPrimaryKey(value.Object_ID));
}
