ilog.views.chart.datax.operator

Interface IlvOperator

All Known Implementing Classes:

IlvAbstractOperator, IlvBoundsOperator, IlvCommutativeAssociativeOperator, IlvMaxOperator, IlvMinOperator

public interface IlvOperator

This interface describes a function of the values in a model column or, in a tree model, of a branch of a column.

It can be attached to a model. While attached to the model, it monitors the changes done in the model and send events when the operator value changes.

Since:

JViews 7.5

Method Summary

Modifier and Type	Method and Description
void	addOperatorListener(OperatorListener listener) Adds a value listener to this operator.
void	detach() Detaches this operator from its model and thus deactivates it.
Object	getOperatorValue() Returns the current value of this operator.
void	removeOperatorListener(OperatorListener listener) Removes a value listener from this operator.

Method Detail

detach

void detach()

Detaches this operator from its model and thus deactivates it.

getOperatorValue

Object getOperatorValue()

Returns the current value of this operator. Returns null if the column contains no values.

Throws:

IllegalStateException - If this operator is not attached to a model.

addOperatorListener

void addOperatorListener(OperatorListener listener)

Adds a value listener to this operator.

removeOperatorListener

void removeOperatorListener(OperatorListener listener)

Removes a value listener from this operator.