/*
***************************************************************************************
* 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.client.soda;
import java.io.Serializable;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.List;
/**
* A for-clause is a means to specify listener and observer delivery.
*/
public class ForClause implements Serializable {
private static final long serialVersionUID = -5295670899343685182L;
private List<ForClauseItem> items = new ArrayList<ForClauseItem>();
/**
* Creates an empty group-by clause, to add to via add methods.
*
* @return group-by clause
*/
public static ForClause create() {
return new ForClause();
}
/**
* Returns for-clause items.
*
* @return items
*/
public List<ForClauseItem> getItems() {
return items;
}
/**
* Sets for-clause items.
*
* @param items items
*/
public void setItems(List<ForClauseItem> items) {
this.items = items;
}
/**
* Renders the clause in textual representation.
*
* @param writer to output to
*/
public void toEPL(StringWriter writer) {
String delimiter = "";
for (ForClauseItem child : items) {
writer.write(delimiter);
child.toEPL(writer);
delimiter = " ";
}
}
}