/// <summary>
/// Writes an array of logging events to the log target. By default it iterates on all
/// events and passes them to "Write" method. Inheriting classes can use this method to
/// optimize batch writes.
/// </summary>
/// <param name="logEvents">Logging events to be written out.</param>
protected override void Write(IList <AsyncLogEventInfo> logEvents)
{
//must sort into containers and then into the blobs for the container
if (_getTableNameDelegate == null)
{
_getTableNameDelegate = c => TableName.Render(c.LogEvent);
}
var tableBuckets = SortHelpers.BucketSort(logEvents, _getTableNameDelegate);
//Iterate over all the tables being written to
foreach (var tableBucket in tableBuckets)
{
var tableNameFinal = CheckAndRepairTableNamingRules(tableBucket.Key);
InitializeTable(tableNameFinal);
var batch = new TableBatchOperation();
//add each message for the destination table limit batch to 100 elements
foreach (var asyncLogEventInfo in tableBucket.Value)
{
var entity = new NLogEntity(asyncLogEventInfo.LogEvent, Layout);
batch.Insert(entity);
if (batch.Count == 100)
{
_table.ExecuteBatch(batch);
batch.Clear();
}
}
if (batch.Count > 0)
{
_table.ExecuteBatch(batch);
}
}
}
/// <summary>
/// Writes an array of logging events to the log target. By default it iterates on all
/// events and passes them to "Write" method. Inheriting classes can use this method to
/// optimize batch writes.
/// </summary>
/// <param name="logEvents">Logging events to be written out.</param>
protected override void Write(IList <AsyncLogEventInfo> logEvents)
{
//must sort into containers and then into the blobs for the container
if (_getContainerNameDelegate == null)
{
_getContainerNameDelegate = c => Container.Render(c.LogEvent);
}
var containerBuckets = SortHelpers.BucketSort(logEvents, _getContainerNameDelegate);
//Iterate over all the containers being written to
foreach (var containerBucket in containerBuckets)
{
var containerName = CheckAndRepairContainerNamingRules(containerBucket.Key);
InitializeContainer(containerName);
if (_getBlobNameDelegate == null)
{
_getBlobNameDelegate = c => BlobName.Render(c.LogEvent);
}
var blobBuckets = SortHelpers.BucketSort(containerBucket.Value, _getBlobNameDelegate);
//Iterate over all the blobs in the container to be written to
foreach (var blobBucket in blobBuckets)
{
var blobName = CheckAndRepairBlobNamingRules(blobBucket.Key);
InitializeBlob(blobName);
//Initilize StringBuilder size based on number of items to write. Default StringBuilder initialization size is 16 characters.
var logMessage = new StringBuilder(blobBucket.Value.Count * 128);
//add each message for the destination append blob
foreach (var asyncLogEventInfo in blobBucket.Value)
{
logMessage.AppendLine(Layout.Render(asyncLogEventInfo.LogEvent));
}
_appendBlob.AppendText(logMessage.ToString());
}
}
}