NavRoot


1   
2   /*
3    * Copyright (c) 1998 - 2005 Versant Corporation
4    * All rights reserved. This program and the accompanying materials
5    * are made available under the terms of the Eclipse Public License v1.0
6    * which accompanies this distribution, and is available at
7    * http://www.eclipse.org/legal/epl-v10.html
8    *
9    * Contributors:
10   * Versant Corporation - initial API and implementation
11   */
12  package com.versant.core.ejb.query;
13  
14  import com.versant.core.metadata.ClassMetaData;
15  import com.versant.core.common.CmdBitSet;
16  
17  /**
18   * Root of tree navigated through fields starting at a class.
19   */
20  public class NavRoot extends NavBase {
21  
22      private IdentificationVarNode node;
23      private ClassMetaData cmd; // the class starting this navigation
24  
25      public NavRoot(IdentificationVarNode node, ClassMetaData cmd) {
26          this.node = node;
27          this.cmd = cmd;
28      }
29  
30      public String   getIdentifier() {
31          return getNode().getIdentifier();
32      }
33  
34      public IdentificationVarNode getNode() {
35          return node;
36      }
37  
38      public NavRoot getRoot() {
39          return this;
40      }
41  
42      public ClassMetaData getNavClassMetaData() {
43          return cmd;
44      }
45  
46      public String   toString() {
47          StringBuffer   s = new StringBuffer  ();
48          s.append(cmd.qname);
49          childrenToString(s);
50          return s.toString();
51      }
52  
53  }
54  
55

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