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1 package org.objectweb.modfact.jmi.reflect;
2
3 import javax.jmi.reflect.*;
4 import java.util.*;
5
6 public class RefAssociationImpl extends RefBaseObjectImpl implements RefAssociation, java.io.Serializable  {
7
8 String firstEndName;
9 String secondEndName;
10 String type1;
11 String type2;
12 boolean isEnd1Ordered;
13 boolean isEnd2Ordered;
14
15 Hashtable table_2_1 = new Hashtable(); Hashtable table_1_2 = new Hashtable();
18 public RefAssociationImpl() {
19 }
20
21
22 public boolean refAddLink(javax.jmi.reflect.RefObject first, javax.jmi.reflect.RefObject second) {
23 if(!container.canModify) {
24 throw new RuntimeException ("Not allowed to modify");
25 }
26 return _refAddLink(first ,second);
27 }
28
29 boolean _refAddLink(javax.jmi.reflect.RefObject first, javax.jmi.reflect.RefObject second) {
30 doSync();
31 Collection firstSet = (Collection) table_2_1.get(second);
32 Collection secondSet = (Collection) table_1_2.get(first);
33 if (firstSet!=null && firstSet.contains(first) ) return false;
34 if(firstSet==null) {
35 firstSet = new Vector();
36 table_2_1.put(second ,firstSet);
37 }
38 if(secondSet==null) {
39 secondSet = new Vector();
40 table_1_2.put(first ,secondSet);
41 }
42 firstSet.add(first);
43 secondSet.add(second);
44 return true;
45 }
46
47 public java.util.Collection refAllLinks() {
48 doSync();
49 Collection r = new Vector();
50
51 if(isEnd2Ordered) {
52 Iterator it = table_1_2.keySet().iterator();
54 while(it.hasNext()) {
55 RefObject first = (RefObject) it.next();
56 Iterator it2 = ((Collection)table_1_2.get(first)).iterator();
57 while(it2.hasNext()) {
58 RefObject second = (RefObject) it2.next();
59 r.add(new RefAssociationLinkImpl(first,second));
60 }
61 }
62 } else {
63
64
67 Iterator it = table_2_1.keySet().iterator();
68 while(it.hasNext()) {
69 RefObject second = (RefObject) it.next();
70 Iterator it2 = ((Collection)table_2_1.get(second)).iterator();
71 while(it2.hasNext()) {
72 RefObject first = (RefObject) it2.next();
73 r.add(new RefAssociationLinkImpl(first,second));
74 }
75 }
76 }
77 return r;
78 }
79
80 public boolean refLinkExists(javax.jmi.reflect.RefObject first, javax.jmi.reflect.RefObject second) {
81 doSync();
82 Collection firstSet = (Collection) table_2_1.get(second);
83 if (firstSet==null) return false;
84 return firstSet.contains(first);
85 }
86
87 public java.util.Collection refQuery(String endName, javax.jmi.reflect.RefObject endObj) {
88 doSync();
89 if(endName.equals(firstEndName)) {
90 return new AssoEndList(this, endObj, true );
91 }
92 if(endName.equals(secondEndName)) {
93 return new AssoEndList(this, endObj, false);
94 }
95 throw new RuntimeException ("refQuery " +name +"(" +firstEndName +"," +secondEndName +"):Invalide name: " +endName);
96 }
97
98 public java.util.Collection refQuery(javax.jmi.reflect.RefObject meta, javax.jmi.reflect.RefObject endObj) {
99 return refQuery( (String )meta.refGetValue("name") ,endObj );
100 }
101
102 public boolean refRemoveLink(javax.jmi.reflect.RefObject first, javax.jmi.reflect.RefObject second) {
103 if(!container.canModify) {
104 throw new RuntimeException ("Not allowed to modify");
105 }
106 doSync();
107 Collection firstSet = (Collection) table_2_1.get(second);
108 Collection secondSet = (Collection) table_1_2.get(first);
109 if (firstSet==null) return false;
110 firstSet.remove(first);
111 return secondSet.remove(second);
112 }
113
114 public javax.jmi.reflect.RefObject refMetaObject() {
115 if(metaObject!=null) return metaObject;
116 return findObjectByName( container.refClass("Association"), name);
117 }
118
119 void doSync() {
123 }
124
125
147
148 String getOtherEndName(String end) {
149 return (firstEndName.equals(end))? secondEndName:
150 (secondEndName.equals(end))? firstEndName: null;
151 }
152
153 }
154 |
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