Geyser/api/geyser/src/main/java/org/geysermc/geyser/api/event/Subscribe.java

103 lines
3.1 KiB
Java

/*
* Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.geyser.api.event;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* An annotation used to signify the given method is
* an {@link Event}. Only should be applied to methods
* where the class containing them is designated for
* events specifically.
*
* When using {@link EventBus#subscribe}, this annotation should
* not be applied whatsoever as it will have no use and potentially
* throw errors due to it being used wrongly.
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface Subscribe {
/**
* The {@link PostOrder} of the event
*
* @return the post order of the event
*/
Subscribe.PostOrder postOrder() default PostOrder.NORMAL;
/**
* Represents the post order of an event.
*/
enum PostOrder {
/**
* The lowest priority. Called first to
* allow for other events to customize
* the outcome
*/
FIRST(net.kyori.event.PostOrders.FIRST),
/**
* The second lowest priority.
*/
EARLY(net.kyori.event.PostOrders.EARLY),
/**
* Normal priority. Event is neither
* important nor unimportant
*/
NORMAL(net.kyori.event.PostOrders.NORMAL),
/**
* The second highest priority
*/
LATE(net.kyori.event.PostOrders.LATE),
/**
* The highest of importance! Event is called
* last and has the final say in the outcome
*/
LAST(net.kyori.event.PostOrders.LAST);
private final int postOrder;
PostOrder(int postOrder) {
this.postOrder = postOrder;
}
/**
* The numerical post order value.
*
* @return numerical post order value
*/
public int postOrder() {
return this.postOrder;
}
}
}