01: /*
02: * Copyright (c) 1998 - 2005 Versant Corporation
03: * All rights reserved. This program and the accompanying materials
04: * are made available under the terms of the Eclipse Public License v1.0
05: * which accompanies this distribution, and is available at
06: * http://www.eclipse.org/legal/epl-v10.html
07: *
08: * Contributors:
09: * Versant Corporation - initial API and implementation
10: */
11: package com.versant.core.jdo.query;
12:
13: /**
14: * An 'or' node.
15: */
16: public class OrNode extends AndNode {
17:
18: public OrNode() {
19: }
20:
21: public Object accept(NodeVisitor visitor, Object[] results) {
22: return visitor.visitOrNode(this , results);
23: }
24:
25: public Field visit(MemVisitor visitor, Object obj) {
26: return visitor.visitOrNode(this , obj);
27: }
28:
29: /**
30: * Create a new instance of us.
31: */
32: protected AndNode createInstance() {
33: return new OrNode();
34: }
35:
36: public Object arrive(NodeVisitor v, Object msg) {
37: return v.arriveOrNode(this, msg);
38: }
39:
40: }
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