com.espertech.esper.epl.variable

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(java.lang.Object newValue, java.lang.Object oldValue) Indicate a change in variable value.

Method Detail

update

void update(java.lang.Object newValue,
            java.lang.Object oldValue)

Indicate a change in variable value.

Parameters:

newValue - new value

oldValue - old value