org.openzen.zengarden.delta

Class ArrayDelta<A>

java.lang.Object

org.openzen.zengarden.delta.ArrayDelta<A>

Type Parameters:

A - array class (eg. int[], String[], ...)

All Implemented Interfaces:

DataDelta<A>

public class ArrayDelta<A>
extends java.lang.Object
implements DataDelta<A>

Contains an array diff. Contains the necessary to update an old version of an array to a new version.

Constructor Summary

Constructors

Constructor and Description
ArrayDelta(ArrayFunctions<A> functions, byte[] data) Constructs an array diff with the given binary data.
ArrayDelta(ArrayFunctions<A> functions, DataInput input) Deserializes an array diff.

Method Summary

Modifier and Type	Method and Description
int	length()
void	serialize(DataOutput output) Serializes the diff to the given output stream.
java.lang.String	toString()
A	update(A original) Updates the given value.

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayDelta

public ArrayDelta(ArrayFunctions<A> functions,
                  byte[] data)

Constructs an array diff with the given binary data.

Parameters:

functions - array functions implementation

data - binary data

ArrayDelta

public ArrayDelta(ArrayFunctions<A> functions,
                  DataInput input)
           throws java.io.IOException

Deserializes an array diff.

Parameters:

functions - array functions implementation

input - input stream

Throws:

java.io.IOException - if the input stream could not be read

Method Detail

serialize

public void serialize(DataOutput output)
               throws java.io.IOException

Description copied from interface: DataDelta

Serializes the diff to the given output stream.

Specified by:

serialize in interface DataDelta<A>

Parameters:

output - output stream

Throws:

java.io.IOException - if an I/O error occurs

length

public int length()

update

public A update(A original)

Description copied from interface: DataDelta

Updates the given value. The value must be the original value used to make the diff; otherwise the output is undetermined.

Specified by:

update in interface DataDelta<A>

Parameters:

original - original value

Returns:

modified value

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object