/**************************************************************************************
* Copyright (C) 2008 EsperTech, Inc. All rights reserved. *
* http://esper.codehaus.org *
* 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 org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Or-condition in a regex expression tree.
*/
public class RowRegexExprNodeAlteration extends RowRegexExprNode
{
private static final Log log = LogFactory.getLog(RowRegexExprNodeAlteration.class);
private static final long serialVersionUID = 8383340732689436983L;
/**
* Ctor.
*/
public RowRegexExprNodeAlteration()
{
}
public String toExpressionString() {
StringBuilder builder = new StringBuilder();
String delimiter = "";
for (RowRegexExprNode node : this.getChildNodes())
{
builder.append(delimiter);
builder.append(node.toExpressionString());
delimiter = "|";
}
return builder.toString();
}
}