/// <summary>
/// Throw <see cref="IrbisNetworkException"/>
/// if the record is empty.
/// </summary>
private static void _ThrowIfEmptyRecord
(
[NotNull] MarcRecord record,
[NotNull] string line
)
{
Sure.NotNull(record, "record");
Sure.NotNull(line, "line");
if (ThrowOnEmptyRecord &&
record.Fields.Count == 0
)
{
Log.Error
(
"BatchAccessor::ThrowIfEmptyRecord: "
+ "empty record detected"
);
byte[] bytes = Encoding.UTF8.GetBytes(line);
string dump = IrbisNetworkUtility.DumpBytes(bytes);
string message = string.Format
(
"Empty record in BatchAccessor:{0}{1}",
Environment.NewLine,
dump
);
IrbisNetworkException exception = new IrbisNetworkException(message);
BinaryAttachment attachment = new BinaryAttachment
(
"response",
bytes
);
exception.Attach(attachment);
throw exception;
}
}
/// <inheritdoc cref="AbstractCommand.Execute" />
public override ServerResponse Execute
(
ClientQuery query
)
{
ServerResponse result = base.Execute(query);
// Check whether no records read
if (result.GetReturnCode() != -201)
{
MarcRecord record = new MarcRecord
{
HostName = Connection.Host,
Database = Database
};
record = ProtocolText.ParseResponseForReadRecord
(
result,
record
);
record.Verify(ThrowOnVerify);
if (ThrowOnEmptyRecord)
{
IrbisNetworkUtility.ThrowIfEmptyRecord
(
record,
result
);
}
Record = record;
}
return(result);
}
