Fix stats example

examples/stats/quickstart.rb

@@ -4,34 +4,49 @@
 require "opencensus"
 
 MIB = 1 << 20
-fontend_key = "my.org/keys/frontend"
-video_size_measure = OpenCensus::Stats.measure_int(
+frontend_key = "my.org/keys/frontend"
+video_size_measure = OpenCensus::Stats.create_measure_int(
   name: "my.org/measures/video_size",
   unit: "By",
   description: "size of processed videos"
 )
-video_size_distribution = OpenCensus::Stats.distribution_aggregation(
+video_size_distribution = OpenCensus::Stats.create_distribution_aggregation(
   [0.0, 16.0 * MIB, 256.0 * MIB]
 )
 
-video_size_view = OpenCensus::Stats.create_view(
+# You can either create, and then register the view. Or use
+# create_and_register_view to register it to the global thingy.
+video_size_view = OpenCensus::Stats::View.new(
   name: "my.org/views/video_size",
   measure: video_size_measure,
   aggregation: video_size_distribution,
   description: "processed video size over time",
-  columns: [fontend_key]
+  columns: [frontend_key]
 )
 
-stats_recorder = OpenCensus::Stats.recorder
+stats_recorder = OpenCensus::Stats::Recorder.new
 stats_recorder.register_view(video_size_view)
 
-tag_map = OpenCensus::Tags::TagMap.new(fontend_key => "mobile-ios9.3.5")
-
+# setup up our in-context tags, and record some measurements
+tag_map_ios = OpenCensus::Tags::TagMap.new(frontend_key => "mobile-ios9.3.5")
 stats_recorder.record(
-  video_size_measure.measurement(25 * MIB),
-  tags: tag_map
+  video_size_measure.create_measurement(value: 10 * MIB, tags: tag_map_ios),
+  video_size_measure.create_measurement(value: 11 * MIB, tags: tag_map_ios),
+  video_size_measure.create_measurement(value: 12 * MIB, tags: tag_map_ios),
+  video_size_measure.create_measurement(value: 13 * MIB, tags: tag_map_ios),
+  video_size_measure.create_measurement(value: 14 * MIB, tags: tag_map_ios)
 )
 
-view_data = stats_recorder.view_data video_size_view.name
+# Another context's data
+tag_map_osx = OpenCensus::Tags::TagMap.new(frontend_key => "desktop-osx10.14.4")
+stats_recorder.record(
+  video_size_measure.create_measurement(value: 20 * MIB, tags: tag_map_osx),
+  video_size_measure.create_measurement(value: 21 * MIB, tags: tag_map_osx),
+  video_size_measure.create_measurement(value: 22 * MIB, tags: tag_map_osx),
+  video_size_measure.create_measurement(value: 23 * MIB, tags: tag_map_osx),
+  video_size_measure.create_measurement(value: 24 * MIB, tags: tag_map_osx)
+)
 
-p view_data.data
+# create an exporter and export data
+log_exporter = OpenCensus::Stats::Exporters::Logger.new(Logger.new(STDOUT))
+log_exporter.export(stats_recorder.views_data)