a2u.tn.utils.computer.maplist.functions

Class Count

java.lang.Object

a2u.tn.utils.computer.calculator.Function

a2u.tn.utils.computer.maplist.functions.Count

public class Count
extends Function

Calc count not null values in path See @link FunctionsTest#countTest() for demo

Nested Class Summary

Nested classes/interfaces inherited from class a2u.tn.utils.computer.calculator.Function

Function.Parameter

Field Summary

Fields inherited from class a2u.tn.utils.computer.calculator.Function

calculator

Constructor Summary

Constructors

Constructor and Description
Count(Calculator calculator)

Method Summary

Modifier and Type	Method and Description
String	getName() Return function name for using in query
List<Function.Parameter>	getParameters() Return descriptors for incoming parameters
Object	run(Map<String,Object> paramValues, Object row, int rowIndex, Collection<Object> allRows) Invoke function to execution

Methods inherited from class a2u.tn.utils.computer.calculator.Function

toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Count

public Count(Calculator calculator)

Method Detail

getName

public String getName()

Description copied from class: Function

Return function name for using in query

Specified by:

getName in class Function

getParameters

public List<Function.Parameter> getParameters()

Description copied from class: Function

Return descriptors for incoming parameters

Overrides:

getParameters in class Function

run

public Object run(Map<String,Object> paramValues,
                  Object row,
                  int rowIndex,
                  Collection<Object> allRows)

Description copied from class: Function

Invoke function to execution

Specified by:

run in class Function

Parameters:

paramValues - Map with parameters value

row - Data from current row

rowIndex - Index current row in rows

allRows - Collection with all rows

Returns:

result of execution function