cern.colt.buffer

Class DoubleBuffer

java.lang.Object

cern.colt.PersistentObject

cern.colt.buffer.DoubleBuffer

All Implemented Interfaces:

DoubleBufferConsumer, Serializable, Cloneable

public class DoubleBuffer
extends PersistentObject
implements DoubleBufferConsumer

Fixed sized (non resizable) streaming buffer connected to a target DoubleBufferConsumer 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 double[]	elements
protected DoubleArrayList	list
protected int	size
protected DoubleBufferConsumer	target

Fields inherited from class cern.colt.PersistentObject

serialVersionUID

Constructor Summary

Constructors

Constructor and Description
DoubleBuffer(DoubleBufferConsumer 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 element) Adds the specified element to the receiver.
void	addAllOf(DoubleArrayList list) Adds all elements of the specified list to the receiver.
void	clear() Sets the receiver's size to zero.
void	flush() Adds all internally buffered elements 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 DoubleBufferConsumer target

elements

protected double[] elements

list

protected DoubleArrayList list

capacity

protected int capacity

size

protected int size

Constructor Detail

DoubleBuffer

public DoubleBuffer(DoubleBufferConsumer 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 element)

Adds the specified element to the receiver.

Parameters:

element - the element to add.

addAllOf

public void addAllOf(DoubleArrayList list)

Adds all elements of the specified list to the receiver.

Specified by:

addAllOf in interface DoubleBufferConsumer

Parameters:

list - the list of which all elements shall be added.

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 elements to the receiver's target, then resets the current buffer size to zero.