Mercurial > projects > dwt2
view org.eclipse.jface/src/org/eclipse/jface/viewers/IElementComparer.d @ 86:12b890a6392a
Work on databinding
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 18 Apr 2009 13:58:35 +0200 |
parents | bc29606a740c |
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/******************************************************************************* * Copyright (c) 2000, 2006 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module org.eclipse.jface.viewers.IElementComparer; import java.lang.all; /** * This interface is used to compare elements in a viewer for equality, * and to provide the hash code for an element. * This allows the client of the viewer to specify different equality criteria * and a different hash code implementation than the * <code>equals</code> and <code>hashCode</code> implementations of the * elements themselves. * * @see StructuredViewer#setComparer */ public interface IElementComparer { /** * Compares two elements for equality * * @param a the first element * @param b the second element * @return whether a is equal to b */ int opEquals(Object a, Object b); /** * Returns the hash code for the given element. * @param element the element the hash code is calculated for * * @return the hash code for the given element */ hash_t toHash(Object element); }