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/*
* Copyright 2006 Phidgets Inc. All rights reserved.
*/
package com.phidgets.event;
import com.phidgets.Phidget;
/**
* This class represents the data for a MotorVelocityChangeEvent.
*
* @author Phidgets Inc.
*/
public class MotorVelocityChangeEvent
{
Phidget source;
int index;
double value;
/**
* Class constructor. This is called internally by the phidget library when creating this event.
*
* @param source the Phidget object from which this event originated
*/
public MotorVelocityChangeEvent(Phidget source, int index, double value) {
this.source = source;
this.index = index;
this.value = value;
}
/**
* Returns the source Phidget of this event. This is a reference to the Phidget object from which this
* event was called. This object can be cast into a specific type of Phidget object to call specific
* device calls on it.
*
* @return the event caller
*/
public Phidget getSource() {
return source;
}
/**
* Returns the index of the motor.
*
* @return the index of the motor
*/
public int getIndex() {
return index;
}
/**
* Return the velocity of the motor. This is reported back from the motor controller as the motor changes speed.
*
* @return the motor velocity
*/
public double getValue() {
return value;
}
/**
* Returns a string containing information about the event.
*
* @return an informative event string
*/
public String toString() {
return source.toString() + " motor velocity " + index + " changed to "
+ value;
}
}
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