01: /*
02: * Copyright Aduna (http://www.aduna-software.com/) (c) 1997-2006.
03: *
04: * Licensed under the Aduna BSD-style license.
05: */
06: package org.openrdf.query.parser.serql.ast;
07:
08: public class ASTGraphUnion extends ASTGraphQuerySet {
09:
10: private boolean distinct = true;
11:
12: public ASTGraphUnion(int id) {
13: super (id);
14: }
15:
16: public ASTGraphUnion(SyntaxTreeBuilder p, int id) {
17: super (p, id);
18: }
19:
20: @Override
21: public Object jjtAccept(SyntaxTreeBuilderVisitor visitor,
22: Object data) throws VisitorException {
23: return visitor.visit(this , data);
24: }
25:
26: public boolean isDistinct() {
27: return distinct;
28: }
29:
30: public void setDistinct(boolean distinct) {
31: this .distinct = distinct;
32: }
33:
34: @Override
35: public String toString() {
36: String result = super .toString();
37:
38: if (distinct) {
39: result += " (distinct)";
40: }
41:
42: return result;
43: }
44: }
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