Mercurial > jdk8-mips64-public > jaxws / annotate
src/share/jaxws_classes/com/sun/tools/internal/xjc/reader/gbind/ConnectedComponent.java@0989ad8c0860 (annotated)
src/share/jaxws_classes/com/sun/tools/internal/xjc/reader/gbind/ConnectedComponent.java
Tue, 09 Apr 2013 14:51:13 +0100
- author
- alanb
- date
- Tue, 09 Apr 2013 14:51:13 +0100
- changeset 368
- 0989ad8c0860
- parent 0
- 373ffda63c9a
- permissions
- -rw-r--r--
8010393: Update JAX-WS RI to 2.2.9-b12941
Reviewed-by: alanb, erikj
Contributed-by: miroslav.kos@oracle.com, martin.grebac@oracle.com
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
| aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
| aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
| aoqi@0 | 10 | * |
| aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 15 | * accompanied this code). |
| aoqi@0 | 16 | * |
| aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 20 | * |
| aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 23 | * questions. |
| aoqi@0 | 24 | */ |
| aoqi@0 | 25 | |
| aoqi@0 | 26 | package com.sun.tools.internal.xjc.reader.gbind; |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | import java.util.ArrayList; |
| aoqi@0 | 29 | import java.util.Iterator; |
| aoqi@0 | 30 | import java.util.List; |
| aoqi@0 | 31 | |
| aoqi@0 | 32 | /** |
| aoqi@0 | 33 | * Represents one strongly-connected component |
| aoqi@0 | 34 | * of the {@link Element} graph. |
| aoqi@0 | 35 | * |
| aoqi@0 | 36 | * @author Kohsuke Kawaguchi |
| aoqi@0 | 37 | */ |
| aoqi@0 | 38 | public final class ConnectedComponent implements Iterable<Element> { |
| aoqi@0 | 39 | /** |
| aoqi@0 | 40 | * {@link Element}s that belong to this component. |
| aoqi@0 | 41 | */ |
| aoqi@0 | 42 | private final List<Element> elements = new ArrayList<Element>(); |
| aoqi@0 | 43 | |
| aoqi@0 | 44 | /*package*/ boolean isRequired; |
| aoqi@0 | 45 | |
| aoqi@0 | 46 | /** |
| aoqi@0 | 47 | * Returns true iff this {@link ConnectedComponent} |
| aoqi@0 | 48 | * can match a substring whose length is greater than 1. |
| aoqi@0 | 49 | * |
| aoqi@0 | 50 | * <p> |
| aoqi@0 | 51 | * That means this property will become a collection property. |
| aoqi@0 | 52 | */ |
| aoqi@0 | 53 | public final boolean isCollection() { |
| aoqi@0 | 54 | assert !elements.isEmpty(); |
| aoqi@0 | 55 | |
| aoqi@0 | 56 | // a strongly connected component by definition has a cycle, |
| aoqi@0 | 57 | // so if its size is bigger than 1 there must be a cycle. |
| aoqi@0 | 58 | if(elements.size()>1) |
| aoqi@0 | 59 | return true; |
| aoqi@0 | 60 | |
| aoqi@0 | 61 | // if size is 1, it might be still forming a self-cycle |
| aoqi@0 | 62 | Element n = elements.get(0); |
| aoqi@0 | 63 | return n.hasSelfLoop(); |
| aoqi@0 | 64 | } |
| aoqi@0 | 65 | |
| aoqi@0 | 66 | /** |
| aoqi@0 | 67 | * Returns true iff this {@link ConnectedComponent} |
| aoqi@0 | 68 | * forms a cut set of a graph. |
| aoqi@0 | 69 | * |
| aoqi@0 | 70 | * <p> |
| aoqi@0 | 71 | * That means any valid element sequence must have at least |
| aoqi@0 | 72 | * one value for this property. |
| aoqi@0 | 73 | */ |
| aoqi@0 | 74 | public final boolean isRequired() { |
| aoqi@0 | 75 | return isRequired; |
| aoqi@0 | 76 | } |
| aoqi@0 | 77 | |
| aoqi@0 | 78 | /*package*/void add(Element e) { |
| aoqi@0 | 79 | assert !elements.contains(e); |
| aoqi@0 | 80 | elements.add(e); |
| aoqi@0 | 81 | } |
| aoqi@0 | 82 | |
| aoqi@0 | 83 | public Iterator<Element> iterator() { |
| aoqi@0 | 84 | return elements.iterator(); |
| aoqi@0 | 85 | } |
| aoqi@0 | 86 | |
| aoqi@0 | 87 | /** |
| aoqi@0 | 88 | * Just produces debug representation |
| aoqi@0 | 89 | */ |
| aoqi@0 | 90 | public String toString() { |
| aoqi@0 | 91 | String s = elements.toString(); |
| aoqi@0 | 92 | if(isRequired()) |
| aoqi@0 | 93 | s += '!'; |
| aoqi@0 | 94 | if(isCollection()) |
| aoqi@0 | 95 | s += '*'; |
| aoqi@0 | 96 | return s; |
| aoqi@0 | 97 | } |
| aoqi@0 | 98 | } |
