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src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/AssociationMap.java@e530533619ec (annotated)

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/AssociationMap.java

Thu, 12 Oct 2017 19:44:07 +0800

author

aoqi

date

Thu, 12 Oct 2017 19:44:07 +0800

changeset 760

e530533619ec

parent 0

373ffda63c9a

permissions

-rw-r--r--

merge

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.xml.internal.bind.v2.runtime;
aoqi@0	27
aoqi@0	28	import java.util.HashSet;
aoqi@0	29	import java.util.IdentityHashMap;
aoqi@0	30	import java.util.Map;
aoqi@0	31	import java.util.Set;
aoqi@0	32
aoqi@0	33	/**
aoqi@0	34	* Bi-directional map between elements, inner peers,
aoqi@0	35	* and outer peers.
aoqi@0	36	*
aoqi@0	37	* <p>
aoqi@0	38	* TODO: this should be rewritten for efficiency.
aoqi@0	39	*
aoqi@0	40	* @since 2.0
aoqi@0	41	*
aoqi@0	42	* @author
aoqi@0	43	* Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
aoqi@0	44	*/
aoqi@0	45	public final class AssociationMap<XmlNode> {
aoqi@0	46	final static class Entry<XmlNode> {
aoqi@0	47	/** XML element. */
aoqi@0	48	private XmlNode element;
aoqi@0	49	/** inner peer, or null. */
aoqi@0	50	private Object inner;
aoqi@0	51	/** outer peer, or null. */
aoqi@0	52	private Object outer;
aoqi@0	53
aoqi@0	54	public XmlNode element() {
aoqi@0	55	return element;
aoqi@0	56	}
aoqi@0	57	public Object inner() {
aoqi@0	58	return inner;
aoqi@0	59	}
aoqi@0	60	public Object outer() {
aoqi@0	61	return outer;
aoqi@0	62	}
aoqi@0	63	}
aoqi@0	64
aoqi@0	65	private final Map<XmlNode,Entry<XmlNode>> byElement = new IdentityHashMap<XmlNode,Entry<XmlNode>>();
aoqi@0	66	private final Map<Object,Entry<XmlNode>> byPeer = new IdentityHashMap<Object,Entry<XmlNode>>();
aoqi@0	67	private final Set<XmlNode> usedNodes = new HashSet<XmlNode>();
aoqi@0	68
aoqi@0	69	/** Records the new element&lt;->inner peer association. */
aoqi@0	70	public void addInner( XmlNode element, Object inner ) {
aoqi@0	71	Entry<XmlNode> e = byElement.get(element);
aoqi@0	72	if(e!=null) {
aoqi@0	73	if(e.inner!=null)
aoqi@0	74	byPeer.remove(e.inner);
aoqi@0	75	e.inner = inner;
aoqi@0	76	} else {
aoqi@0	77	e = new Entry<XmlNode>();
aoqi@0	78	e.element = element;
aoqi@0	79	e.inner = inner;
aoqi@0	80	}
aoqi@0	81
aoqi@0	82	byElement.put(element,e);
aoqi@0	83
aoqi@0	84	Entry<XmlNode> old = byPeer.put(inner,e);
aoqi@0	85	if(old!=null) {
aoqi@0	86	if(old.outer!=null)
aoqi@0	87	byPeer.remove(old.outer);
aoqi@0	88	if(old.element!=null)
aoqi@0	89	byElement.remove(old.element);
aoqi@0	90	}
aoqi@0	91	}
aoqi@0	92
aoqi@0	93	/** Records the new element&lt;->outer peer association. */
aoqi@0	94	public void addOuter( XmlNode element, Object outer ) {
aoqi@0	95	Entry<XmlNode> e = byElement.get(element);
aoqi@0	96	if(e!=null) {
aoqi@0	97	if(e.outer!=null)
aoqi@0	98	byPeer.remove(e.outer);
aoqi@0	99	e.outer = outer;
aoqi@0	100	} else {
aoqi@0	101	e = new Entry<XmlNode>();
aoqi@0	102	e.element = element;
aoqi@0	103	e.outer = outer;
aoqi@0	104	}
aoqi@0	105
aoqi@0	106	byElement.put(element,e);
aoqi@0	107
aoqi@0	108	Entry<XmlNode> old = byPeer.put(outer,e);
aoqi@0	109	if(old!=null) {
aoqi@0	110	old.outer=null;
aoqi@0	111
aoqi@0	112	if(old.inner==null)
aoqi@0	113	// remove this entry
aoqi@0	114	byElement.remove(old.element);
aoqi@0	115	}
aoqi@0	116	}
aoqi@0	117
aoqi@0	118	public void addUsed( XmlNode n ) {
aoqi@0	119	usedNodes.add(n);
aoqi@0	120	}
aoqi@0	121
aoqi@0	122	public Entry<XmlNode> byElement( Object e ) {
aoqi@0	123	return byElement.get(e);
aoqi@0	124	}
aoqi@0	125
aoqi@0	126	public Entry<XmlNode> byPeer( Object o ) {
aoqi@0	127	return byPeer.get(o);
aoqi@0	128	}
aoqi@0	129
aoqi@0	130	public Object getInnerPeer( XmlNode element ) {
aoqi@0	131	Entry e = byElement(element);
aoqi@0	132	if(e==null) return null;
aoqi@0	133	else return e.inner;
aoqi@0	134	}
aoqi@0	135
aoqi@0	136	public Object getOuterPeer( XmlNode element ) {
aoqi@0	137	Entry e = byElement(element);
aoqi@0	138	if(e==null) return null;
aoqi@0	139	else return e.outer;
aoqi@0	140	}
aoqi@0	141	}