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16 package org.apache.commons.jxpath.ri.compiler;
17
18 import org.apache.commons.jxpath.ri.EvalContext;
19 import org.apache.commons.jxpath.ri.InfoSetUtil;
20
21 /***
22 * Implementation of Expression for the operation "or".
23 *
24 * @author Dmitri Plotnikov
25 * @version $Revision: 1.3 $ $Date: 2004/02/29 14:17:38 $
26 */
27 public class CoreOperationOr extends CoreOperation {
28
29 public CoreOperationOr(Expression[] args) {
30 super(args);
31 }
32
33 public Object computeValue(EvalContext context) {
34 for (int i = 0; i < args.length; i++) {
35 if (InfoSetUtil.booleanValue(args[i].computeValue(context))) {
36 return Boolean.TRUE;
37 }
38 }
39 return Boolean.FALSE;
40 }
41
42 protected int getPrecedence() {
43 return 0;
44 }
45
46 protected boolean isSymmetric() {
47 return true;
48 }
49
50 public String getSymbol() {
51 return "or";
52 }
53 }