| /******************************************************************************* |
| * Copyright (c) 2006, 2010 Wind River Systems, Inc. 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: |
| * Markus Schorn - initial API and implementation |
| * IBM Corporation |
| *******************************************************************************/ |
| |
| /* -- ST-Origin -- |
| * Source folder: org.eclipse.cdt.ui/src |
| * Class: org.eclipse.cdt.internal.ui.callhierarchy.CElementSet |
| * Version: 1.3 |
| */ |
| package org.eclipse.ptp.internal.rdt.core.callhierarchy; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Iterator; |
| import java.util.LinkedHashSet; |
| import java.util.Set; |
| |
| import org.eclipse.cdt.core.model.ICElement; |
| |
| public class CElementSet implements Serializable { |
| private static final long serialVersionUID = 1L; |
| |
| private Set<ICElement> fSet= new LinkedHashSet<ICElement>(); |
| private int fHashCode; |
| |
| public CElementSet( ICElement[] elements) { |
| fSet.addAll(Arrays.asList(elements)); |
| fHashCode= 0; |
| for (int i = 0; i < elements.length; i++) { |
| fHashCode = 31*fHashCode + elements[i].hashCode(); |
| } |
| } |
| |
| public int hashCode() { |
| return fHashCode; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| final CElementSet other = (CElementSet) obj; |
| if (fHashCode != other.fHashCode) { |
| return false; |
| } |
| if (fSet == null) { |
| if (other.fSet != null) { |
| return false; |
| } |
| } |
| else { |
| if (fSet.size() != other.fSet.size()) { |
| return false; |
| } |
| for (Iterator<ICElement> iter = fSet.iterator(); iter.hasNext(); ) { |
| if (!other.fSet.contains(iter.next())) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| public boolean isEmpty() { |
| return fSet.isEmpty(); |
| } |
| |
| public ICElement[] getElements() { |
| ArrayList<ICElement> result= new ArrayList<ICElement>(fSet.size()); |
| for (Iterator<ICElement> iter = fSet.iterator(); iter.hasNext(); ) { |
| ICElement element = iter.next(); |
| result.add(element); |
| } |
| return result.toArray(new ICElement[result.size()]); |
| } |
| } |