/// <summary>
/// Returns the next committed record in the application log and then marks
/// if for deletion if there is one. The method returns null if there
/// are no records remaining to be read.
/// </summary>
/// <returns>The next log record or <c>null</c>.</returns>
/// <remarks>
/// <para>
/// Records marked for deletion will be skipped the next time
/// a log reader processes the log and if all of the records in
/// a given log file are deleted, then the log file itself will
/// be deleted.
/// </para>
/// <para>
/// Note that this method returns only committed log records. Records written
/// by the writer logs will be cached for some period of time before being
/// commited to the log (for efficiency). Cached records will not be returned
/// by this method.
/// </para>
/// <para>
/// After this method indicates that it has run out of committed records to be read
/// (by returning null), applications should monitor the <see cref="AppLog.RecordAvailable" />
/// event. This event will be raised when one or more committed events become available to
/// be read.
/// </para>
/// </remarks>
/// <exception cref="LogAccessException">Thrown for log writers.</exception>
public AppLogRecord ReadDelete()
{
return(appLog.ReadDelete());
}
