mirror of
https://github.com/Rogiel/l2jserver2
synced 2025-12-08 16:33:07 +00:00
61 lines
1.7 KiB
Java
61 lines
1.7 KiB
Java
/*
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* This file is part of l2jserver <l2jserver.com>.
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*
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* l2jserver is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* l2jserver is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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
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* along with l2jserver. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.l2jserver.model.id;
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import java.lang.ref.Reference;
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import java.lang.ref.SoftReference;
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import com.l2jserver.model.template.Template;
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/**
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* Templates IDs, different from {@link ObjectID}s, can be repeated and are
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* defined in the template class.
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*
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* @author <a href="http://www.rogiel.com">Rogiel</a>
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*/
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public abstract class TemplateID<T extends Template<?>, I> extends ID<I> {
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private Reference<T> cached;
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/**
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* Creates a new instance
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*
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* @param id
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* the raw id
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*/
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public TemplateID(I id) {
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super(id);
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}
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/**
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* Returns the {@link Template} associated with this {@link ID}
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*
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* @return the {@link Template} if existent, <tt>null</tt> otherwise
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*/
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public T getTemplate() {
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if (cached == null || cached.get() == null)
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cached = new SoftReference<T>(loadTemplate());
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return cached.get();
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}
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/**
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* Returns the {@link Template} associated with this {@link ID}
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*
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* @return the {@link Template} if existent, <tt>null</tt> otherwise
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*/
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protected abstract T loadTemplate();
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}
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