eu.mais_h.mathsync

Class FullContent

java.lang.Object

eu.mais_h.mathsync.FullContent

All Implemented Interfaces:

Summary

public class FullContent
extends Object
implements Summary

Summary implementation simply using items content.

Method Summary

Methods

Modifier and Type	Method and Description
Summary	minus(byte[] item) Removes an item to the summary.
Summary	minus(Iterator<byte[]> items) Removes several items to the summary.
Summary	plus(byte[] item) Adds an item to the summary.
Summary	plus(Iterator<byte[]> items) Adds several items to the summary.
Difference<byte[]>	toDifference() Retrieves a view of the summary as a difference.
String	toJSON() Retrieves a JSON view of the summary.

Methods inherited from class java.lang.Object

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

Method Detail

plus

public Summary plus(byte[] item)

Description copied from interface: Summary

Adds an item to the summary.

When both summaries can be viewed as a difference:

• if the item is in the removed set of that summary, it is in none of the resulting summary difference sets
• if the item is in none of the difference sets of that summary, it is in the added set of the resulting difference
• if the item is in the added set of that summary, the resulting summary may be impossible to decipher

Specified by:

plus in interface Summary

Parameters:

item - the item to add.

Returns:

a new summary with the item being included.

plus

public Summary plus(Iterator<byte[]> items)

Description copied from interface: Summary

Adds several items to the summary.

Equivalent to repeatedly calling Summary.plus(byte[]) for each element, but this method can do optimizations for batch updates.

Specified by:

plus in interface Summary

Parameters:

items - the items to add.

Returns:

a new summary with the items being included.

minus

public Summary minus(byte[] item)

Description copied from interface: Summary

Removes an item to the summary.

When both summaries can be viewed as a difference:

• if the item is in the added set of that summary, it is in none of the resulting summary difference sets
• if the item is in none of the difference sets of that summary, it is in the removed set of the resulting difference
• if the item is in the removed set of that summary, the resulting summary may be impossible to decipher

Specified by:

minus in interface Summary

Parameters:

item - the item to remove.

Returns:

a new summary with the item being removed.

minus

public Summary minus(Iterator<byte[]> items)

Description copied from interface: Summary

Removes several items to the summary.

Equivalent to repeatedly calling Summary.minus(byte[]) for each element, but this method can do optimizations for batch updates.

Specified by:

minus in interface Summary

Parameters:

items - the items to remove.

Returns:

a new summary with the items being removed.

toJSON

public String toJSON()

Description copied from interface: Summary

Retrieves a JSON view of the summary.

Specified by:

toJSON in interface Summary

Returns:

a JSON view of the summary.

toDifference

public Difference<byte[]> toDifference()

Description copied from interface: Summary

Retrieves a view of the summary as a difference.

Specified by:

toDifference in interface Summary

Returns:

a difference view of the summary or null if it cannot be resolved with the information it contains.