| /* |
| * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.corba.se.spi.ior; |
| |
| import java.util.List; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| |
| import com.sun.corba.se.impl.ior.FreezableList ; |
| |
| import com.sun.corba.se.spi.ior.TaggedComponent ; |
| import com.sun.corba.se.spi.ior.Identifiable ; |
| |
| /** Convenience class for defining objects that contain lists of Identifiables. |
| * Mainly implements iteratorById. Also note that the constructor creates the |
| * list, which here is always an ArrayList, as this is much more efficient overall |
| * for short lists. |
| * @author Ken Cavanaugh |
| */ |
| public class IdentifiableContainerBase extends FreezableList |
| { |
| /** Create this class with an empty list of identifiables. |
| * The current implementation uses an ArrayList. |
| */ |
| public IdentifiableContainerBase() |
| { |
| super( new ArrayList() ) ; |
| } |
| |
| /** Return an iterator which iterates over all contained Identifiables |
| * with type given by id. |
| */ |
| public Iterator iteratorById( final int id) |
| { |
| return new Iterator() { |
| Iterator iter = IdentifiableContainerBase.this.iterator() ; |
| Object current = advance() ; |
| |
| private Object advance() |
| { |
| while (iter.hasNext()) { |
| Identifiable ide = (Identifiable)(iter.next()) ; |
| if (ide.getId() == id) |
| return ide ; |
| } |
| |
| return null ; |
| } |
| |
| public boolean hasNext() |
| { |
| return current != null ; |
| } |
| |
| public Object next() |
| { |
| Object result = current ; |
| current = advance() ; |
| return result ; |
| } |
| |
| public void remove() |
| { |
| iter.remove() ; |
| } |
| } ; |
| } |
| } |