PHSensorPhidget.java

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/*
 * Copyright 2006 Phidgets Inc.  All rights reserved.
 */

package com.phidgets;
import java.util.Iterator;
import java.util.LinkedList;
import com.phidgets.event.*;
public final class PHSensorPhidget extends Phidget
{
        public PHSensorPhidget () throws PhidgetException
        {
                super (create ());
        }
        private static native long create () throws PhidgetException;
        public native double getPH () throws PhidgetException;
        public native double getPHMax () throws PhidgetException;
        public native double getPHMin () throws PhidgetException;
        public native double getPotential () throws PhidgetException;
        public native double getPotentialMax () throws PhidgetException;
        public native double getPotentialMin () throws PhidgetException;
        public native void setTemperature (double newVal) throws PhidgetException;
        public native void setPHChangeTrigger (double newVal) throws PhidgetException;
        public native double getPHChangeTrigger () throws PhidgetException;

        private final void enableDeviceSpecificEvents (boolean b)
        {
                enablePHChangeEvents (b && phChangeListeners.size () > 0);
        }
        public final void addPHChangeListener (PHChangeListener l)
        {
                synchronized (phChangeListeners)
                {
                        phChangeListeners.add (l);
                        enablePHChangeEvents (true);
        }} private LinkedList phChangeListeners = new LinkedList ();
        private long nativePHChangeHandler = 0;
        public final void removePHChangeListener (PHChangeListener l)
        {
                synchronized (phChangeListeners)
                {
                        phChangeListeners.remove (l);
                        enablePHChangeEvents (phChangeListeners.size () > 0);
        }} private void firePHChange (PHChangeEvent e)
        {
                synchronized (phChangeListeners)
                {
                        for (Iterator it = phChangeListeners.iterator (); it.hasNext ();)
                                ((PHChangeListener) it.next ()).phChanged (e);
                }
        }
        private native void enablePHChangeEvents (boolean b);
}