[HDFS-3188] Add infrastructure for waiting for a quorum of ListenableFutures to respond

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Incomplete
• Affects Version/s: 2.0.0-alpha
• Component/s: ha
• Target Version/s: 2.0.0-alpha
• Assignee: Todd Lipcon
• Reporter: Todd Lipcon
• Created: 03/Apr/12 20:48
• Updated: 27/Jun/12 02:50
• Resolved: 27/Jun/12 02:50

Description

This JIRA adds the QuorumCall class which is used in HDFS-3077. As described in the design document, this class allows a set of ListenableFutures to be wrapped, and the caller can wait for a specific number of responses, or a timeout.