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package org.apache.hadoop.hbase.util;
Similar interface as org.apache.hadoop.util.Progressable but returns a boolean to support canceling the operation.

Used for doing updating of OPENING znode during log replay on region open.

public interface CancelableProgressable {

Report progress. Returns true if operations should continue, false if the operation should be canceled and rolled back.

whether to continue (true) or cancel (false) the operation
  boolean progress();
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