82 lines
2.6 KiB
Java
82 lines
2.6 KiB
Java
/*
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* ProtocolLib - Bukkit server library that allows access to the Minecraft protocol.
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* Copyright (C) 2012 Kristian S. Stangeland
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with this program;
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* if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*/
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package com.comphenix.protocol.injector;
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import com.comphenix.protocol.events.ListenerPriority;
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import com.google.common.base.Objects;
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import com.google.common.primitives.Ints;
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/**
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* Represents a listener with a priority.
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*
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* @author Kristian
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*/
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public class PrioritizedListener<TListener> implements Comparable<PrioritizedListener<TListener>> {
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private TListener listener;
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private ListenerPriority priority;
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public PrioritizedListener(TListener listener, ListenerPriority priority) {
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this.listener = listener;
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this.priority = priority;
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}
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@Override
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public int compareTo(PrioritizedListener<TListener> other) {
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// This ensures that lower priority listeners are executed first
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return Ints.compare(
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this.getPriority().getSlot(),
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other.getPriority().getSlot());
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}
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// Note that this equals() method is NOT consistent with compareTo().
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// But, it's a private class so who cares.
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@SuppressWarnings("unchecked")
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@Override
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public boolean equals(Object obj) {
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// We only care about the listener - priority itself should not make a difference
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if(obj instanceof PrioritizedListener){
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final PrioritizedListener<TListener> other = (PrioritizedListener<TListener>) obj;
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return Objects.equal(listener, other.listener);
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} else {
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return false;
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}
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}
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@Override
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public int hashCode() {
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return Objects.hashCode(listener);
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}
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/**
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* Retrieve the underlying listener.
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* @return Underlying listener.
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*/
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public TListener getListener() {
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return listener;
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}
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/**
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* Retrieve the priority of this listener.
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* @return Listener priority.
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*/
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public ListenerPriority getPriority() {
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return priority;
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}
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}
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