[Javaprofiler-commits] CVS: module/net/sourceforge/javaprofiler/module/views TimeSeriesModel.java,1.1,1.2

[Lukas P. <pe...@us...>]

Update of /cvsroot/javaprofiler/module/net/sourceforge/javaprofiler/module/views
In directory usw-pr-cvs1:/tmp/cvs-serv13254

Modified Files:
	TimeSeriesModel.java 
Log Message:
added shift method


Index: TimeSeriesModel.java
===================================================================
RCS file: /cvsroot/javaprofiler/module/net/sourceforge/javaprofiler/module/views/TimeSeriesModel.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -r1.1 -r1.2
*** TimeSeriesModel.java	15 Jul 2002 11:16:29 -0000	1.1
--- TimeSeriesModel.java	26 Jul 2002 09:32:39 -0000	1.2
***************
*** 1,105 ****
! package net.sourceforge.javaprofiler.module.views;
! 
! import javax.swing.event.EventListenerList;
! import javax.swing.event.ChangeListener;
! import javax.swing.event.ChangeEvent;
! 
! /** Holds data of a time series. Data are stored in an <code>int</code> array.
!  *  @author Lukas Petru
!  */
! public class TimeSeriesModel {
!   /** Holds time series values. */
!   private int[] data;
! 
!   private transient ChangeEvent changeEvent = null;
!   private EventListenerList listenerList = new EventListenerList(); 
!   
!   public TimeSeriesModel() {
!     // test data
!     data=new int[20];
!     for (int i=0; i<10; i++)
!       data[i]=i;
!     for (int i=10; i<20; i++)
!       data[i]=20-i;
!   }
! 
!   /** Sets new time series values. */
!   public void setData(int[] series) {
!       if (series==null)
!         throw new IllegalArgumentException("null");
!       data=series;
!       fireStateChanged();
!   }
! 
!   /** Returns current time series values. You must not modify the
!       returned value. Returned value is not null.
!    */
!   public int[] getData() {
!     return data;
!   }
! 
!   /** Returns a copy of time series values. You can freely
!       modify returned value.
!    */
!   public int[] copyData() {
!     int[] r=new int[data.length];
!     System.arraycopy(data, 0, r, 0, data.length);
!     return r;
!   }
! 
!   // event firing
! 
!   /**
!    * Adds a <code>ChangeListener</code> to the TimeSeriesModel.
!    *
!    * @param l the listener to add
!    */
!   public void addChangeListener(ChangeListener l) {
!       listenerList.add(ChangeListener.class, l);
!   }
! 
!   /**
!    * Removes a <code>ChangeListener</code> from the TimeSeriesModel.
!    *
!    * @param l the listener to remove
!    */
!   public void removeChangeListener(ChangeListener l) {
!       listenerList.remove(ChangeListener.class, l);
!   }   
! 
!   /**
!    * Returns an array of all the change listeners
!    * registered on this <code>TimeSeriesModel</code>.
!    *
!    * @return all of this model's <code>ChangeListener</code>s 
!    *         or an empty
!    *         array if no change listeners are currently registered
!    */
!   public ChangeListener[] getChangeListeners() {
!       return (ChangeListener[])listenerList.getListeners(
!           ChangeListener.class);
!   } 
! 
!   /**
!    * Notifies all listeners that have registered interest for
!    * notification on this event type.  The event instance 
!    * is created lazily.
!    *
!    * @see EventListenerList
!    */
!   protected void fireStateChanged() {
!       // Guaranteed to return a non-null array
!       Object[] listeners = listenerList.getListenerList();
!       // Process the listeners last to first, notifying
!       // those that are interested in this event
!       for (int i = listeners.length-2; i>=0; i-=2) {
!           if (listeners[i]==ChangeListener.class) {
!               // Lazily create the event:
!               if (changeEvent == null)
!                   changeEvent = new ChangeEvent(this);
!               ((ChangeListener)listeners[i+1]).stateChanged(changeEvent);
!           }          
!       }
!   }
!   
  }
--- 1,137 ----
! package net.sourceforge.javaprofiler.module.views;
! 
! import javax.swing.event.EventListenerList;
! import javax.swing.event.ChangeListener;
! import javax.swing.event.ChangeEvent;
! 
! /** Holds data of a time series. Data are stored in an <code>int</code> array.
!  *  @author Lukas Petru
!  */
! public class TimeSeriesModel {
!   /** Holds time series values. */
!   private int[] data;
!   /** Maximum value of the data. */
!   private int max;
! 
!   private transient ChangeEvent changeEvent = null;
!   private EventListenerList listenerList = new EventListenerList(); 
!   
!   public TimeSeriesModel() {
!     // test data
!     data=new int[20];
!     for (int i=0; i<10; i++)
!       data[i]=i;
!     for (int i=10; i<20; i++)
!       data[i]=20-i;
!     recompute();
!   }
! 
!   /** Shifts current values of time series by one position to left and adds new
!       value to be the rightmost one.
!    */
!   public void shift(int addVal) {
!       System.arraycopy(data, 1, data, 0, data.length-1);
!       data[data.length-1]=addVal;
!       recompute();
!       fireStateChanged();
!   }
! 
!   /** Sets new time series values to a copy of a given argument. */
!   public void setData(int[] series) {
!       if (series==null)
!         throw new IllegalArgumentException("null");
!       data=new int[series.length];
!       System.arraycopy(series, 0, data, 0, series.length);
!       recompute();
!       fireStateChanged();
!   }
! 
!   /** Returns current time series values. You must not modify the
!       returned value. Returned value is not null.
!    */
!   public int[] getData() {
!     return data;
!   }
! 
!   /** Returns a copy of time series values. You can freely
!       modify returned value.
!    */
!   public int[] copyData() {
!     int[] r=new int[data.length];
!     System.arraycopy(data, 0, r, 0, data.length);
!     return r;
!   }
! 
!   /** Returns value of the largest data sample. */
!   public int getMax() {
!     return max;
!   }
! 
!   /** Returns value of the last (i.e. rightmost) data sample. */
!   public int getLast() {
!     return data[data.length-1];
!   }
! 
!   /** Recalculates the max value. */
!   private void recompute() {
!     max = 0;
!     for (int i=0; i<data.length; i++)
!       if (data[i] > max)  max=data[i];
!   }
!   
!   // event firing
! 
!   /**
!    * Adds a <code>ChangeListener</code> to the TimeSeriesModel.
!    *
!    * @param l the listener to add
!    */
!   public void addChangeListener(ChangeListener l) {
!       listenerList.add(ChangeListener.class, l);
!   }
! 
!   /**
!    * Removes a <code>ChangeListener</code> from the TimeSeriesModel.
!    *
!    * @param l the listener to remove
!    */
!   public void removeChangeListener(ChangeListener l) {
!       listenerList.remove(ChangeListener.class, l);
!   }   
! 
!   /**
!    * Returns an array of all the change listeners
!    * registered on this <code>TimeSeriesModel</code>.
!    *
!    * @return all of this model's <code>ChangeListener</code>s 
!    *         or an empty
!    *         array if no change listeners are currently registered
!    */
!   public ChangeListener[] getChangeListeners() {
!       return (ChangeListener[])listenerList.getListeners(
!           ChangeListener.class);
!   } 
! 
!   /**
!    * Notifies all listeners that have registered interest for
!    * notification on this event type.  The event instance 
!    * is created lazily.
!    *
!    * @see EventListenerList
!    */
!   protected void fireStateChanged() {
!       // Guaranteed to return a non-null array
!       Object[] listeners = listenerList.getListenerList();
!       // Process the listeners last to first, notifying
!       // those that are interested in this event
!       for (int i = listeners.length-2; i>=0; i-=2) {
!           if (listeners[i]==ChangeListener.class) {
!               // Lazily create the event:
!               if (changeEvent == null)
!                   changeEvent = new ChangeEvent(this);
!               ((ChangeListener)listeners[i+1]).stateChanged(changeEvent);
!           }          
!       }
!   }
!   
  }