cern.colt.buffer

Class DoubleBuffer2D

java.lang.Object

cern.colt.PersistentObject

cern.colt.buffer.DoubleBuffer2D

All Implemented Interfaces:

DoubleBuffer2DConsumer, Serializable, Cloneable

public class DoubleBuffer2D
extends PersistentObject
implements DoubleBuffer2DConsumer

Fixed sized (non resizable) streaming buffer connected to a target DoubleBuffer2DConsumer to which data is automatically flushed upon buffer overflow.

Version:

1.0, 09/24/99

Author:

wolfgang.hoschek@cern.ch

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected int	capacity
protected int	size
protected DoubleBuffer2DConsumer	target
protected double[]	xElements
protected DoubleArrayList	xList
protected double[]	yElements
protected DoubleArrayList	yList

Fields inherited from class cern.colt.PersistentObject

serialVersionUID

Constructor Summary

Constructors

Constructor and Description
DoubleBuffer2D(DoubleBuffer2DConsumer target, int capacity) Constructs and returns a new buffer with the given target.

Method Summary

Methods

Modifier and Type	Method and Description
void	add(double x, double y) Adds the specified point (x,y) to the receiver.
void	addAllOf(DoubleArrayList x, DoubleArrayList y) Adds all specified points (x,y) to the receiver.
void	clear() Sets the receiver's size to zero.
void	flush() Adds all internally buffered points to the receiver's target, then resets the current buffer size to zero.

Methods inherited from class cern.colt.PersistentObject

clone

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

target

protected DoubleBuffer2DConsumer target

xElements

protected double[] xElements

yElements

protected double[] yElements

xList

protected DoubleArrayList xList

yList

protected DoubleArrayList yList

capacity

protected int capacity

size

protected int size

Constructor Detail

DoubleBuffer2D

public DoubleBuffer2D(DoubleBuffer2DConsumer target,
              int capacity)

Constructs and returns a new buffer with the given target.

Parameters:

target - the target to flush to.

capacity - the number of points the buffer shall be capable of holding before overflowing and flushing to the target.

Method Detail

add

public void add(double x,
       double y)

Adds the specified point (x,y) to the receiver.

Parameters:

x - the x-coordinate of the point to add.

y - the y-coordinate of the point to add.

addAllOf

public void addAllOf(DoubleArrayList x,
            DoubleArrayList y)

Adds all specified points (x,y) to the receiver.

Specified by:

addAllOf in interface DoubleBuffer2DConsumer

Parameters:

x - the x-coordinates of the points to add.

y - the y-coordinates of the points to add.

clear

public void clear()

Sets the receiver's size to zero. In other words, forgets about any internally buffered elements.

flush

public void flush()

Adds all internally buffered points to the receiver's target, then resets the current buffer size to zero.