org.oddjob.arooa.registry

Enum ChangeHow

java.lang.Object

java.lang.Enum<ChangeHow>

org.oddjob.arooa.registry.ChangeHow

All Implemented Interfaces:

Serializable, Comparable<ChangeHow>

public enum ChangeHow
extends Enum<ChangeHow>

How changes to the ComponentPool should be coordinated.

Author:

rob

Enum Constant Summary

Enum Constants

Enum Constant and Description
AGAIN An existing transaction is expected to be in progress to add changes to.
EITHER If a transaction is in progress then add changes to it, if one isn't in progress the create a fresh one.
FRESH Create a new transaction for changes to the registry.
MAYBE If a transaction is in progress then add changes to it, otherwise don't start a new one.

Method Summary

Modifier and Type	Method and Description
static ChangeHow	valueOf(String name) Returns the enum constant of this type with the specified name.
static ChangeHow[]	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

FRESH

public static final ChangeHow FRESH

Create a new transaction for changes to the registry. No existing transaction is expected to be in progress.

AGAIN

public static final ChangeHow AGAIN

An existing transaction is expected to be in progress to add changes to.

EITHER

public static final ChangeHow EITHER

If a transaction is in progress then add changes to it, if one isn't in progress the create a fresh one.

MAYBE

public static final ChangeHow MAYBE

If a transaction is in progress then add changes to it, otherwise don't start a new one.

Method Detail

values

public static ChangeHow[] 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 (ChangeHow c : ChangeHow.values())
    System.out.println(c);

Returns:

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

valueOf

public static ChangeHow 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