| /******************************************************************************* |
| * Copyright (c) 2000, 2004 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 |
| *******************************************************************************/ |
| |
| package org.eclipse.wst.ws.internal.datamodel; |
| |
| import java.util.Enumeration; |
| import java.util.Vector; |
| |
| public class BasicRel implements Rel |
| { |
| |
| // Copyright |
| public static final String copyright = "(c) Copyright IBM Corporation 2000, 2002."; |
| |
| private String fName; |
| private Element fSourceElement; |
| private Vector fConnections; |
| |
| public BasicRel ( String name, Element sourceElement ) |
| { |
| fName = name; |
| fSourceElement = sourceElement; |
| fConnections = new Vector(); |
| } |
| |
| public String getName () |
| { |
| return fName; |
| } |
| |
| public Element getSourceElement () |
| { |
| return fSourceElement; |
| } |
| |
| public Enumeration getTargetElements () |
| { |
| return new ElementEnumeration(fConnections.elements()); |
| } |
| |
| public int getNumberOfTargetElements () |
| { |
| return fConnections.size(); |
| } |
| |
| public void addConnection ( Connection connection ) |
| { |
| fConnections.addElement(connection); |
| } |
| |
| public boolean removeConnection ( Connection connection ) |
| { |
| return fConnections.removeElement(connection); |
| } |
| |
| public Connection getConnectionTo ( Element targetElement ) |
| { |
| Enumeration e = fConnections.elements(); |
| while (e.hasMoreElements()) |
| { |
| Connection c = (Connection)e.nextElement(); |
| if (c.getElement() == targetElement) return c; |
| } |
| return null; |
| } |
| |
| public String toString () |
| { |
| return getName(); |
| } |
| |
| private class ElementEnumeration implements Enumeration |
| { |
| private Enumeration fConnectionEnumeration; |
| |
| public ElementEnumeration ( Enumeration connectionEnumeration ) |
| { |
| fConnectionEnumeration = connectionEnumeration; |
| } |
| |
| public boolean hasMoreElements () |
| { |
| return fConnectionEnumeration.hasMoreElements(); |
| } |
| |
| public Object nextElement () |
| { |
| return ((Connection)fConnectionEnumeration.nextElement()).getElement(); |
| } |
| } |
| } |
| |