/** * Copyright 2004-2016 Riccardo Solmi. All rights reserved. * This file is part of the Whole Platform. * * The Whole Platform is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The Whole Platform is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with the Whole Platform. If not, see <http://www.gnu.org/licenses/>. */ package org.whole.lang.comparators; import org.whole.lang.bindings.IBindingManager; import org.whole.lang.model.IEntity; import org.whole.lang.operations.CloneContext; import org.whole.lang.operations.ICloneContext; /** * @author Riccardo Solmi */ public abstract class AbstractEqualityComparator<T extends IEntity> implements IEntityComparator<T> { public IEntityComparator<T> clone() { return clone(new CloneContext()); } @SuppressWarnings("unchecked") public IEntityComparator<T> clone(ICloneContext cc) { try { AbstractEqualityComparator<T> comparator = (AbstractEqualityComparator<T>) super.clone(); cc.putClone(this, comparator); return comparator; } catch (CloneNotSupportedException e) { throw new InternalError(); } } public void setBindings(IBindingManager bm) { } public boolean canOrder() { return false; } public int compare(T o1, T o2) { if (equals(o1, o2)) return 0; return -1; } }