org.apache.accumulo.core.util.format
Class StatisticsDisplayFormatter

java.lang.Object
  org.apache.accumulo.core.util.format.DefaultFormatter
      org.apache.accumulo.core.util.format.AggregatingFormatter
          org.apache.accumulo.core.util.format.StatisticsDisplayFormatter

All Implemented Interfaces:

Iterator<String>, Formatter

public class StatisticsDisplayFormatter
extends AggregatingFormatter

Does not show contents from scan, only displays statistics. Beware that this work is being done client side and this was developed as a utility for debugging. If used on large result sets it will likely fail.

Constructor Summary

StatisticsDisplayFormatter()

Method Summary

protected void	aggregateStats(Map.Entry<Key,Value> entry) Generate statistics from each Map.Entry, called for each entry to be iterated over.
protected String	getStats() Finalize the aggregation and return the result.

Methods inherited from class org.apache.accumulo.core.util.format.AggregatingFormatter

next

Methods inherited from class org.apache.accumulo.core.util.format.DefaultFormatter

checkState, formatEntry, formatEntry, getScannerIterator, hasNext, initialize, isDoTimestamps, next, remove

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StatisticsDisplayFormatter

public StatisticsDisplayFormatter()

Method Detail

aggregateStats

protected void aggregateStats(Map.Entry<Key,Value> entry)

Description copied from class: AggregatingFormatter

Generate statistics from each Map.Entry, called for each entry to be iterated over.

Specified by:

aggregateStats in class AggregatingFormatter

Parameters:

entry - the next entry to aggregate

getStats

protected String getStats()

Description copied from class: AggregatingFormatter

Finalize the aggregation and return the result. Called once at the end.

Specified by:

getStats in class AggregatingFormatter

Returns:

the aggregation results, suitable for printing to the console