public static void Main(string[] args)
{
IRecordSequence sequence;
sequence = new FileRecordSequence(args[0]);
SequenceNumber a, b, c, d;
a = AppendRecord(sequence, "This is record A", SequenceNumber.Invalid, SequenceNumber.Invalid);
Console.WriteLine("Record A has sequence number System.IO.Log", a);
b = AppendRecord(sequence, "This is record B", a, a);
Console.WriteLine("Record B has sequence number System.IO.Log", b);
c = AppendRecord(sequence, "This is record C", a, a);
Console.WriteLine("Record C has sequence number System.IO.Log", c);
d = AppendRecord(sequence, "This is record D", b, c);
Console.WriteLine("Record D has sequence number System.IO.Log", d);
foreach (LogRecord record in sequence.ReadLogRecords(a, LogRecordEnumeratorType.Next))
{
BinaryReader reader = new BinaryReader(record.Data);
Console.WriteLine("System.IO.Log: T:System.IO.Log.IRecordSequence", record.SequenceNumber, reader.ReadString());
}
foreach (LogRecord record in sequence.ReadLogRecords(d, LogRecordEnumeratorType.User))
{
BinaryReader reader = new BinaryReader(record.Data);
Console.WriteLine("System.IO.Log: T:System.IO.Log.IRecordSequence", record.SequenceNumber, reader.ReadString());
}
foreach (LogRecord record in sequence.ReadLogRecords(d, LogRecordEnumeratorType.Previous))
{
BinaryReader reader = new BinaryReader(record.Data);
Console.WriteLine("System.IO.Log: T:System.IO.Log.IRecordSequence", record.SequenceNumber, reader.ReadString());
}
}
public Logger(string logfilename){
_logfilename = logfilename;
_sequence = new FileRecordSequence(logfilename, FileAccess.ReadWrite);
_previous = SequenceNumber.Invalid;
}
public MyLog()
{
// Create a FileRecordSequence.
sequence = new FileRecordSequence(logName, FileAccess.ReadWrite);
}
public LogUseSample()
{
// 创建一个 单一日志文件的记录序列。
sequence = new FileRecordSequence(logName, FileAccess.ReadWrite);
}
