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CM-690 trait extension
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@117473 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
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/*
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* Copyright (C) 2005-2015 Alfresco Software Limited.
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*
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* This file is part of Alfresco
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser 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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* Alfresco 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see http://www.gnu.org/licenses/.
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*/
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package org.alfresco.traitextender;
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public abstract class SingletonExtension<E, T extends Trait>
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{
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private ThreadLocal<T> localTrait = new ThreadLocal<>();
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private Class<T> traitClass;
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public SingletonExtension(Class<T> traitClass)
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{
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super();
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this.traitClass = traitClass;
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}
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public boolean acceptsTrait(Object trait)
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{
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return trait != null && acceptsTraitClass(trait.getClass());
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}
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public boolean acceptsTraitClass(Class<?> aTraitClass)
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{
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return traitClass.isAssignableFrom(aTraitClass);
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}
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void setTrait(T trait)
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{
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localTrait.set(trait);
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}
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protected T getTrait()
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{
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return localTrait.get();
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}
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}
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