/*
* Copyright 2006 Phidgets Inc. All rights reserved.
*/
package com.phidgets.event;
import com.phidgets.Phidget;
/**
* This class represents the data for a ServoPositionChangeEvent.
*
* @author Phidgets Inc.
*/
public class ServoPositionChangeEvent
{
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 ServoPositionChangeEvent(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 servo motor.
*
* @return index of the servo
*/
public int getIndex() {
return index;
}
/**
* Returns the position of the servo motor. This is esentially just the last position that the
* servo was set to, echoed back from the controller board.
*
* @return position of the servo
*/
public double getValue() {
return value;
}
/**
* Returns a string containing information about the event.
*
* @return an informative event string
*/
public String toString() {
return source.toString() + " servo position " + index + " changed to "
+ value;
}
}
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