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1
45 package org.openejb.core.ivm.naming;
46
47
48
61 public class NameNode implements java.io.Serializable  {
62 public String atomicName;
63 public int atomicHash;
64 public NameNode lessTree;
65 public NameNode grtrTree;
66 public NameNode subTree;
67 public NameNode parent;
68 public Object myObject;
69 public transient IvmContext myContext;
70
71 public NameNode(NameNode parent, ParsedName name, Object obj){
72 atomicName = name.getComponent();
73 atomicHash = name.getComponentHashCode();
74 this.parent = parent;
75 if(name.next())
76 subTree = new NameNode(this, name, obj);
77 else
78 myObject = obj;
79 }
80 public Object getBinding(){
81 if(myObject != null)
82 return myObject; else{
84 if(myContext == null)
85 myContext = new IvmContext(this);
86 return myContext;
87 }
88 }
89 public Object resolve(ParsedName name)throws javax.naming.NameNotFoundException {
90 int compareResult = name.compareTo(atomicHash);
91
92 if(compareResult == ParsedName.IS_EQUAL && name.getComponent().equals(atomicName)){ if(name.next()){
94 if(subTree == null) throw new javax.naming.NameNotFoundException ("Can not resolve "+name);
95 return subTree.resolve(name);
96 }else
97 return getBinding();
98 }else if(compareResult == ParsedName.IS_LESS){ if(lessTree == null) throw new javax.naming.NameNotFoundException ("Can not resolve "+name);
100 return lessTree.resolve(name);
101
102 }else{ if(grtrTree == null) throw new javax.naming.NameNotFoundException ("Can not resolve "+name);
105 return grtrTree.resolve(name);
106 }
107 }
108
109 public void bind(ParsedName name, Object obj) throws javax.naming.NameAlreadyBoundException {
110 int compareResult = name.compareTo(atomicHash);
111 if(compareResult == ParsedName.IS_EQUAL && name.getComponent().equals(atomicName)){
112 if(name.next()){
113 if( myObject != null) {
114 throw new javax.naming.NameAlreadyBoundException ();
115 }
116 if(subTree==null)
117 subTree = new NameNode(this, name,obj);
118 else
119 subTree.bind(name,obj);
120 }
121 else {
122 if( subTree != null) {
123 throw new javax.naming.NameAlreadyBoundException ();
124 }
125 myObject = obj; }
127 }else if(compareResult == ParsedName.IS_LESS){
128 if(lessTree == null)
129 lessTree = new NameNode(this.parent, name, obj);
130 else
131 lessTree.bind(name,obj);
132 }else{ if(grtrTree == null)
135 grtrTree = new NameNode(this.parent, name, obj);
136 else
137 grtrTree.bind(name,obj);
138 }
139 }
140
141 public IvmContext createSubcontext( ParsedName name) throws javax.naming.NameAlreadyBoundException {
142 try {
143 bind( name, null);
144 name.reset();
145 return (IvmContext)resolve( name);
146 }
147 catch( javax.naming.NameNotFoundException exception) {
148 exception.printStackTrace();
149 throw new RuntimeException ();
150 }
151 }
152 }
153 |
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