org.geotools.feature.visitor
Class SumVisitor.SumResult

java.lang.Object
  org.geotools.feature.visitor.AbstractCalcResult
      org.geotools.feature.visitor.SumVisitor.SumResult

All Implemented Interfaces:

CalcResult

Enclosing class:

SumVisitor

public static class SumVisitor.SumResult

extends AbstractCalcResult

Constructor Summary

SumVisitor.SumResult(org.geotools.feature.visitor.SumVisitor.SumStrategy newSum)

Method Summary

java.lang.Object	getValue() Actual answer
boolean	isCompatible(CalcResult targetResults) Returns true if the target results is a compatible type with the current results, with compatible meaning that the two results may be merged.
CalcResult	merge(CalcResult resultsToAdd) Returns the merged results of two CalcResult.

Methods inherited from class org.geotools.feature.visitor.AbstractCalcResult

toArray, toDouble, toEnvelope, toFloat, toGeometry, toInt, toList, toLong, toMap, toPoint, toSet, toString, toStringArray

Methods inherited from class java.lang.Object

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

Constructor Detail

SumVisitor.SumResult

public SumVisitor.SumResult(org.geotools.feature.visitor.SumVisitor.SumStrategy newSum)

Method Detail

getValue

public java.lang.Object getValue()

Description copied from interface: CalcResult

Actual answer

Specified by:

getValue in interface CalcResult

Overrides:

getValue in class AbstractCalcResult

isCompatible

public boolean isCompatible(CalcResult targetResults)

Description copied from interface: CalcResult

Returns true if the target results is a compatible type with the current results, with compatible meaning that the two results may be merged.

Specified by:

isCompatible in interface CalcResult

Overrides:

isCompatible in class AbstractCalcResult

merge

public CalcResult merge(CalcResult resultsToAdd)

Description copied from interface: CalcResult

Returns the merged results of two CalcResult. The way in which the results are merged is dependent on the type of the results added. A new instance is created containing the merged results.

For example: merging two min functions would return the smaller of the two values; merging a count and a sum would return an average.

Specified by:

merge in interface CalcResult

Overrides:

merge in class AbstractCalcResult