Package io.revealbi.core.data

Class RVDataModelCalculatedField

java.lang.Object

io.revealbi.core.data.RVDataModelField

io.revealbi.core.data.RVDataModelCalculatedField

public class RVDataModelCalculatedField
extends RVDataModelField

Represents a calculated field in the data model.

Extends RVDataModelField with an expression that defines the calculation. Use this with IRVDataModelProvider.getCalculatedFields(RVDataSourceItem, io.revealbi.core.IRequestContext) to inject custom calculated fields into a data source.

API Note:

This class is part of the beta IRVDataModelProvider API and may change in future releases.

Constructor Summary

Constructors

Constructor	Description
RVDataModelCalculatedField(String name, RVDashboardDataType type, String expression)	Creates a new calculated field with the given name, type, and expression.

Method Summary

Modifier and Type	Method	Description
String	getExpression()	Returns the expression that defines this calculated field.
void	setExpression(String expression)	Sets the expression that defines this calculated field.

Methods inherited from class io.revealbi.core.data.RVDataModelField

getDefaultAggregation, getDescription, getLabel, getName, getType, isWeekLevelEnabled, setDefaultAggregation, setDescription, setLabel, setType, setWeekLevelEnabled

Methods inherited from class java.lang.Object

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

Constructor Details

RVDataModelCalculatedField

public RVDataModelCalculatedField(String name,
 RVDashboardDataType type,
 String expression)

Creates a new calculated field with the given name, type, and expression.

Parameters:

name - The name of the calculated field.

type - The data type of the result.

expression - The expression that defines the calculation.

Method Details

getExpression

public String getExpression()

Returns the expression that defines this calculated field.

Returns:

The calculation expression.

setExpression

public void setExpression(String expression)

Sets the expression that defines this calculated field.

Parameters:

expression - The calculation expression.