com.threerings.delta
Class ArrayDelta

java.lang.Object
  com.threerings.delta.Delta
      com.threerings.delta.ArrayDelta

All Implemented Interfaces:

Streamable

public class ArrayDelta
extends Delta

A delta object representing the different between two arrays. This doesn't do anything fancy like try to find inserted and deleted strings; it simply represents a change of size and any changed elements.

Nested Class Summary

Nested classes/interfaces inherited from interface com.threerings.io.Streamable

Streamable.Closure

Field Summary

protected Class<?>	_clazz The object class.
protected int	_length The length of the array.
protected BareArrayMask	_mask The mask indicating which fields have changed.
protected Object[]	_values The array values.

Fields inherited from class com.threerings.delta.Delta

_classStreamer, _creators, _none, _wrapperStreamers

Constructor Summary

ArrayDelta()
No-arg constructor for deserialization.

ArrayDelta(Object original, Object revised)
Creates a new array delta that transforms the original object into the revised object (both of which must be instances of the same class).

Method Summary

Object	apply(Object original) Applies this delta to the specified object.
Delta	merge(Delta other) Merges this delta with another.
void	readObject(ObjectInputStream in) Custom read method.
String	toString()
void	writeObject(ObjectOutputStream out) Custom write method.

Methods inherited from class com.threerings.delta.Delta

checkDeltable, createDelta

Methods inherited from class java.lang.Object

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

Field Detail

_clazz

protected Class<?> _clazz

The object class.

_length

protected int _length

The length of the array.

_mask

protected BareArrayMask _mask

The mask indicating which fields have changed.

_values

protected Object[] _values

The array values.

Constructor Detail

ArrayDelta

public ArrayDelta(Object original,
                  Object revised)

Creates a new array delta that transforms the original object into the revised object (both of which must be instances of the same class).

ArrayDelta

public ArrayDelta()

No-arg constructor for deserialization.

Method Detail

writeObject

public void writeObject(ObjectOutputStream out)
                 throws IOException

Custom write method.

Throws:

IOException

readObject

public void readObject(ObjectInputStream in)
                throws IOException,
                       ClassNotFoundException

Custom read method.

Throws:

IOException

ClassNotFoundException

apply

public Object apply(Object original)

Description copied from class: Delta

Applies this delta to the specified object.

Specified by:

apply in class Delta

Returns:

a new object incorporating the changes represented by this delta.

merge

public Delta merge(Delta other)

Description copied from class: Delta

Merges this delta with another.

Specified by:

merge in class Delta

Returns:

a new delta containing the changes included in both.

toString

public String toString()

Overrides:

toString in class Object