cern.colt.buffer
Class ObjectBuffer

java.lang.Object
  cern.colt.PersistentObject
      cern.colt.buffer.ObjectBuffer

All Implemented Interfaces:

ObjectBufferConsumer, java.io.Serializable, java.lang.Cloneable

public class ObjectBuffer
extends PersistentObject
implements ObjectBufferConsumer

Fixed sized (non resizable) streaming buffer connected to a target ObjectBufferConsumer 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

protected int	capacity
protected java.lang.Object[]	elements
protected ObjectArrayList	list
protected int	size
protected ObjectBufferConsumer	target

Fields inherited from class cern.colt.PersistentObject

serialVersionUID

Constructor Summary

ObjectBuffer(ObjectBufferConsumer target, int capacity)
Constructs and returns a new buffer with the given target.

Method Summary

void	add(java.lang.Object element) Adds the specified element to the receiver.
void	addAllOf(ObjectArrayList 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 ObjectBufferConsumer target

elements

protected java.lang.Object[] elements

list

protected ObjectArrayList list

capacity

protected int capacity

size

protected int size

Constructor Detail

ObjectBuffer

public ObjectBuffer(ObjectBufferConsumer 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(java.lang.Object element)

Adds the specified element to the receiver.

Parameters:

element - the element to add.

addAllOf

public void addAllOf(ObjectArrayList list)

Adds all elements of the specified list to the receiver.

Specified by:

addAllOf in interface ObjectBufferConsumer

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.