Package com.itextpdf.commons.actions

Class AbstractStatisticsAggregator

java.lang.Object

com.itextpdf.commons.actions.AbstractStatisticsAggregator

Direct Known Subclasses:

NumberOfPagesStatisticsAggregator, SizeOfPdfStatisticsAggregator

       public abstract class AbstractStatisticsAggregator extends Object
      

Abstract class for statistics aggregation. Note that aggregator class must be thread safe.

Constructor Summary

Constructors

Constructor	Description
AbstractStatisticsAggregator()

Method Summary

Modifier and Type	Method	Description
abstract void	aggregate(AbstractStatisticsEvent event)	Aggregates data from the provided event.
abstract void	merge(AbstractStatisticsAggregator aggregator)	Merges data from the provided aggregator into this aggregator.
abstract Object	retrieveAggregation()	Retrieves aggregated data.

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractStatisticsAggregator

             public AbstractStatisticsAggregator()
            

Method Details

aggregate

             public abstract void aggregate
             (AbstractStatisticsEvent event)
            

Aggregates data from the provided event.

Parameters:

event - AbstractStatisticsEvent instance

retrieveAggregation

             public abstract Object retrieveAggregation()
            

Retrieves aggregated data.

Returns:

aggregated data as Object

merge

             public abstract void merge
             (AbstractStatisticsAggregator aggregator)
            

Merges data from the provided aggregator into this aggregator.

Parameters:

aggregator - from which data will be taken.