[CRUNCH-202] Add MRPipelineExecution to expose some MR-specific APIs

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.7.0
• Component/s: Core
• Assignee: Josh Wills
• Reporter: Chao Shi
• Created: 05/May/13 15:15
• Updated: 13/May/13 00:18
• Resolved: 08/May/13 05:40

Description

This patch adds some MR-specific APIs. A client can see the Hadoop MR jobs optimized by crunch, as well as their dependencies. Because these APIs are MR backend specific, they are put inside MRPipelineExecution, a subclass of PipelineExecution.