Paquete | mx.collections |
Clase | public class DefaultSummaryCalculator |
Herencia | DefaultSummaryCalculator Object |
Implementa | ISummaryCalculator |
Versión del lenguaje: | ActionScript 3.0 |
Versión de producto: | Flex 4 |
Versiones de motor de ejecución: | Flash Player 9, AIR 1.1 |
SUM
, MIN
, MAX
, AVG
, and COUNT
operations.
Elementos de API relacionados
Método | Definido por | ||
---|---|---|---|
Flex calls this method when a new value needs to be added to the summary value. | DefaultSummaryCalculator | ||
Flex calls this method when a new summary value needs to be added to the already computed summary. | DefaultSummaryCalculator | ||
Indica si un objeto tiene definida una propiedad especificada. | Object | ||
Indica si hay una instancia de la clase Object en la cadena de prototipo del objeto especificado como parámetro. | Object | ||
Indica si existe la propiedad especificada y si es enumerable. | Object | ||
Flex calls this method to end the computation of the summary value. | DefaultSummaryCalculator | ||
Flex calls this method to end the summary calculation. | DefaultSummaryCalculator | ||
Establece la disponibilidad de una propiedad dinámica para operaciones de bucle. | Object | ||
Flex calls this method to start the computation of a summary value. | DefaultSummaryCalculator | ||
Flex calls this method to start calculation of summary out of summary values. | DefaultSummaryCalculator | ||
Devuelve la representación de cadena de este objeto, con formato según las convenciones específicas de configuración regional. | Object | ||
Devuelve la representación de cadena del objeto especificado. | Object | ||
Devuelve el valor simple del objeto especificado. | Object |
calculateSummary | () | método |
public function calculateSummary(data:Object, field:SummaryField2, rowData:Object):void
Versión del lenguaje: | ActionScript 3.0 |
Versión de producto: | Flex 4 |
Versiones de motor de ejecución: | Flash Player 9, AIR 1.1 |
Flex calls this method when a new value needs to be added to the summary value.
Parámetros
data:Object — The Object returned by the call to the summaryCalculationBegin() method,
or calculated by a previous call to the calculateSummary() method.
Use this Object to hold information necessary to perform the calculation.
This method modifies this Object; it does not return a value.
| |
field:SummaryField2 — The SummaryField2 for which the summary needs to calculated.
| |
rowData:Object — The object representing the rows data that is being analyzed.
|
calculateSummaryOfSummary | () | método |
public function calculateSummaryOfSummary(oldValue:Object, newValue:Object, field:SummaryField2):void
Versión del lenguaje: | ActionScript 3.0 |
Versión de producto: | Flex 4 |
Versiones de motor de ejecución: | Flash Player 9, AIR 1.1 |
Flex calls this method when a new summary value needs to be added to the already computed summary.
Parámetros
oldValue:Object — The Object returned by a call the summaryOfSummaryCalculationBegin() method,
or calculated by a previous call to the calculateSummaryOfSummary() method.
This method modifies this Object; it does not return a value.
| |
newValue:Object — The Object returned by the call to the returnSummary() method
for a previous aggregation.
| |
field:SummaryField2 — The SummaryField2 for which the summary needs to calculated.
|
returnSummary | () | método |
public function returnSummary(data:Object, field:SummaryField2):Number
Versión del lenguaje: | ActionScript 3.0 |
Versión de producto: | Flex 4 |
Versiones de motor de ejecución: | Flash Player 9, AIR 1.1 |
Flex calls this method to end the computation of the summary value.
Parámetros
data:Object — The Object returned by the call to the calculateSummary() method.
Use this Object to hold information necessary to perform the calculation.
| |
field:SummaryField2 — The SummaryField2 for which the summary needs to calculated.
|
Number — The summary value.
|
returnSummaryOfSummary | () | método |
public function returnSummaryOfSummary(oldValue:Object, field:SummaryField2):Number
Versión del lenguaje: | ActionScript 3.0 |
Versión de producto: | Flex 4 |
Versiones de motor de ejecución: | Flash Player 9, AIR 1.1 |
Flex calls this method to end the summary calculation.
Parámetros
oldValue:Object — The Object returned by a call to the calculateSummaryOfSummary() method
that is used to store the summary calculation results.
This method modifies this Object; it does not return a value.
| |
field:SummaryField2 — The SummaryField2 for which the summary needs to calculated.
|
Number — The summary value.
|
summaryCalculationBegin | () | método |
public function summaryCalculationBegin(field:SummaryField2):Object
Versión del lenguaje: | ActionScript 3.0 |
Versión de producto: | Flex 4 |
Versiones de motor de ejecución: | Flash Player 9, AIR 1.1 |
Flex calls this method to start the computation of a summary value.
Parámetros
field:SummaryField2 — The SummaryField2 for which the summary needs to calculated.
|
Object — An Object initialized for the summary calculation.
Use this Object to hold any information necessary to perform the calculation.
You pass this Object to subsequent calls to the calculateSummary()
and returnSummary() methods.
|
summaryOfSummaryCalculationBegin | () | método |
public function summaryOfSummaryCalculationBegin(value:Object, field:SummaryField2):Object
Versión del lenguaje: | ActionScript 3.0 |
Versión de producto: | Flex 4 |
Versiones de motor de ejecución: | Flash Player 9, AIR 1.1 |
Flex calls this method to start calculation of summary out of summary values. Calculating the average value of a group of averages is an example of an calculation of summary out of summary values.
Parámetros
value:Object — The Object returned by the call to the calculateSummary() method
for a previous summary calculation.
Use this Object to hold the information necessary to perform the calculation.
| |
field:SummaryField2 — The SummaryField2 for which the summary needs to calculated.
|
Object — An Object initialized for the summary calculation.
Use this Object to hold any information necessary to perform the calculation.
You pass this Object to subsequent calls to the calculateSummaryOfSummary()
and returnSummaryOfSummary() methods.
|
Tue Jun 12 2018, 02:12 PM Z