[FLINK-2720] Add Storm-CountMetric in flink-stormcompatibility

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Won't Fix
• Component/s: Legacy Components / Storm Compatibility
• Labels: pull-request-available
• Assignee: Matthias J. Sax
• Reporter: Huang Wei
• Created: 21/Sep/15 13:17
• Updated: 10/Jan/19 14:09
• Resolved: 10/Jan/19 14:08

Description

Add the CountMetric for the first step of storm metrics:
1.Do a wrapper FlinkCountMetric for CountMetric
2.push the RuntimeContext in FlinkTopologyContext to use `addAccumulator` method for registering the metric.

Issue Links

• links to: GitHub Pull Request #1157
• links to: GitHub Pull Request #1157
• links to: GitHub Pull Request #3615
• links to: GitHub Pull Request #3615