org.nustaq.reallive.messages

Class ChangeUtils

java.lang.Object

org.nustaq.reallive.messages.ChangeUtils

public class ChangeUtils
extends Object

Created by ruedi on 03/08/15.

Constructor Summary

Constructors

Constructor and Description
ChangeUtils()

Method Summary

Modifier and Type	Method and Description
static void	copy(Record from, Record to, String... fields)
static Diff	copyAndDiff(Record from, Record to) copy different (equals) fields and return resulting list of changed fields + old values
static Diff	copyAndDiff(Record from, Record to, String[] fields)
static <K> Diff	diff(Record<K> record, Record<K> prevRecord)
static int	indexOf(String field, String[] changedFields)
static Diff	mayCopyAndDiff(Record from, Record to, String[] fields, boolean copy)
static String[]	merge(String[] fieldsA, String[] fieldsB)

Methods inherited from class java.lang.Object

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

Constructor Detail

ChangeUtils

public ChangeUtils()

Method Detail

copyAndDiff

public static Diff copyAndDiff(Record from,
                               Record to)

copy different (equals) fields and return resulting list of changed fields + old values

Parameters:

from -

to -

Returns:

copyAndDiff

public static Diff copyAndDiff(Record from,
                               Record to,
                               String[] fields)

mayCopyAndDiff

public static Diff mayCopyAndDiff(Record from,
                                  Record to,
                                  String[] fields,
                                  boolean copy)

indexOf

public static int indexOf(String field,
                          String[] changedFields)

copy

public static void copy(Record from,
                        Record to,
                        String... fields)

merge

public static String[] merge(String[] fieldsA,
                             String[] fieldsB)

diff

public static <K> Diff diff(Record<K> record,
                            Record<K> prevRecord)