JobControl.java should expose jobs as Lists rather than ArrayLists
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Key: HADOOP-2268
URL: https://issues.apache.org/jira/browse/HADOOP-2268
Project: Hadoop
Issue Type: Improvement
Components: mapred
Affects Versions: 0.15.0
Reporter: Adrian Woodhead
Assignee: Adrian Woodhead
Priority: Minor
Fix For: 0.16.0
See HADOOP-2202 for background on this issue. Arun C. Murthy agrees that when
possible it is preferable to program against the interface rather than a
concrete implementation (more flexible, allows for changes of the
implementation in future etc.) JobControl currently exposes running, waiting,
ready, successful and dependent jobs as ArrayList rather than List. I propose
to change this to List.
I will code up a patch for this.
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