net.sf.mmm.util.event.api

Enum ChangeType

java.lang.Object

java.lang.Enum<ChangeType>

net.sf.mmm.util.event.api.ChangeType

All Implemented Interfaces:

Serializable, Comparable<ChangeType>

public enum ChangeType
extends Enum<ChangeType>

This enum contains the available types of a ChangeEvent.

Since:

2.0.0 (renamed, 1.0.1)

Author:

Joerg Hohwiller (hohwille at users.sourceforge.net)

Enum Constant Summary

Enum Constants

Enum Constant and Description
ADD A change of this type indicates, that something new has been added.
REMOVE A change of this type indicates, that something that has been removed.
UPDATE A change of this type indicates, that something that already exists has been updated.

Method Summary

Modifier and Type	Method and Description
static ChangeType	valueOf(String name) Returns the enum constant of this type with the specified name.
static ChangeType[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

ADD

public static final ChangeType ADD

A change of this type indicates, that something new has been added. E.g. one or multiple item(s) have been inserted into a list.

UPDATE

public static final ChangeType UPDATE

A change of this type indicates, that something that already exists has been updated. E.g. an existing list item has changed its value or been replaced by a new item.

REMOVE

public static final ChangeType REMOVE

A change of this type indicates, that something that has been removed. E.g. one or multiple existing item(s) have been removed from a list.

Method Detail

values

public static ChangeType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (ChangeType c : ChangeType.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static ChangeType valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null