Added SimpleExporter and BatchExporter for Activity and LogRecord

[utpilla]

Changes

• Modified SimpleExportProcessor and BatchExportProcessor to abstract classes
• Added SimpleActivityExportProcessor, SimpleLogRecordExportProcessor, BatchActivityExportProcessor, BatchLogRecordExportProcessor
• Added the check for Activity.Recorded in SimpleActivityExportProcessor and BatchActivityExportProcessor

[utpilla]

@cijothomas @CodeBlanch I have refactored SimpleExportProcessor and BatchExportProcessor to have type specific implementations. This is in reference to #1574 (comment)

I added these four files:

• SimpleActivityExportProcessor.cs
• SimpleLogRecordExportProcessor.cs
• BatchActivityExportProcessor.cs
• BatchLogRecordExportProcessor.cs

I have updated the SimpleExportProcessor and BatchExportProcessor classes to abstract. The check for Activity.Recorded is in SimpleActivityExportProcessor.cs and BatchActivityExportProcessor.cs.

I would love to know your views on this.

[ejsmith]

I'd prefer if the base implementations were just called ActivityExportProcessor and LogRecordExportProcessor instead of using the Simple prefix. In what way are they simple? They are just exporters and then the other ones are the same except that they export in batches.

[utpilla]

I'd prefer if the base implementations were just called ActivityExportProcessor and LogRecordExportProcessor instead of using the Simple prefix. In what way are they simple? They are just exporters and then the other ones are the same except that they export in batches.

@ejsmith We need to have two implementations for Activity. one that implements SimpleExportProcessor and the other that implements BatchExportProcessor. The difference between the two is what you've mentioned but we need to have two different implementations so we need two different class names. I added the prefix Simple and Batch to easily distinguish between them. The same goes for LogRecord.

[CodeBlanch]

Don't want to approve yet because it's a draft but approach LGTM.

[codecov]

Codecov Report

Merging #1622 (a49d96e) into master (c188edb) will decrease coverage by 0.02%.
The diff coverage is 59.45%.

@@            Coverage Diff             @@
##           master    #1622      +/-   ##
==========================================
- Coverage   82.12%   82.09%   -0.03%     
==========================================
  Files         245      249       +4     
  Lines        6706     6730      +24     
==========================================
+ Hits         5507     5525      +18     
- Misses       1199     1205       +6     

Impacted Files	Coverage Δ
...xporter.Console/ConsoleExporterHelperExtensions.cs	0.00% <0.00%> (ø)
...porter.Console/ConsoleExporterLoggingExtensions.cs	0.00% <0.00%> (ø)
...rter.InMemory/InMemoryExporterLoggingExtensions.cs	0.00% <0.00%> (ø)
....Exporter.Jaeger/JaegerExporterHelperExtensions.cs	15.38% <0.00%> (ø)
....Exporter.Zipkin/ZipkinExporterHelperExtensions.cs	15.38% <0.00%> (ø)
src/OpenTelemetry/BatchExportProcessor.cs	93.05% <ø> (ø)
src/OpenTelemetry/BatchLogRecordExportProcessor.cs	0.00% <0.00%> (ø)
src/OpenTelemetry/SimpleExportProcessor.cs	70.00% <ø> (ø)
...nTelemetryProtocol/OtlpExporterHelperExtensions.cs	92.30% <50.00%> (ø)
...orter.InMemory/InMemoryExporterHelperExtensions.cs	60.00% <100.00%> (ø)
... and 9 more

[CodeBlanch]

LGTM

[cijothomas]

@utpilla Please resolve the conflicts.