/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.rowregex;
import java.io.StringWriter;
/**
* Permute () regular expression in a regex expression tree.
*/
public class RowRegexExprNodePermute extends RowRegexExprNode {
private static final long serialVersionUID = 5052642981296251751L;
public void toPrecedenceFreeEPL(StringWriter writer) {
String delimiter = "";
writer.write("match_recognize_permute(");
for (RowRegexExprNode node : this.getChildNodes()) {
writer.write(delimiter);
node.toEPL(writer, getPrecedence());
delimiter = ", ";
}
writer.write(")");
}
public RowRegexExprNodePrecedenceEnum getPrecedence() {
return RowRegexExprNodePrecedenceEnum.UNARY;
}
}