com.espertech.esper.common.internal.epl.variable.core

Interface VariableChangeCallback

All Known Implementing Classes:

CreateVariableView, ExpressionBatchView, ExpressionViewBase, ExpressionWindowView, OutputConditionExpression

public interface VariableChangeCallback

A callback interface for indicating a change in variable value.

Method Summary

Modifier and Type	Method and Description
void	update(Object newValue, Object oldValue) Indicate a change in variable value.

Method Detail

update

void update(Object newValue,
            Object oldValue)

Indicate a change in variable value.

Parameters:

newValue - new value

oldValue - old value