Class AttachmentEventHooks

java.lang.Object

net.ixdarklord.coolcatcore.internal.attachment.AttachmentEventHooks

public final class AttachmentEventHooks
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final Object	CANCELLED	What changing(AttachmentHolder, Attachment, T, T) returns when a listener cancelled the change.

Method Summary

Modifier and Type	Method	Description
static <T> void	changed(AttachmentHolder holder, Attachment<T> key, T oldValue, T newValue)	Tells listeners about a change; null stands for no stored value.
static <T> @Nullable Object	changing(AttachmentHolder holder, Attachment<T> key, T oldValue, T newValue)	Asks the CHANGING listeners about a change.

Methods inherited from class Object

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

Field Details

CANCELLED

public static final Object CANCELLED

What changing(AttachmentHolder, Attachment, T, T) returns when a listener cancelled the change.

Method Details

changing

@Nullable
public static <T> @Nullable Object changing(AttachmentHolder holder,
 Attachment<T> key,
 @Nullable
 T oldValue,
 @Nullable
 T newValue)

Asks the CHANGING listeners about a change.

Returns:

CANCELLED, or the value to store (a listener's replacement, or newValue)

changed

public static <T> void changed(AttachmentHolder holder,
 Attachment<T> key,
 @Nullable
 T oldValue,
 @Nullable
 T newValue)

Tells listeners about a change; null stands for no stored value.