DeliveryConvertorWidener.java

/**************************************************************************************
 * 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.core.service;

import com.espertech.esper.util.TypeWidener;

/**
 * Implementation of a convertor for column results that renders the result as an object array itself.
 */
public class DeliveryConvertorWidener implements DeliveryConvertor
{
    private final TypeWidener[] wideners;

    public DeliveryConvertorWidener(TypeWidener[] wideners) {
        this.wideners = wideners;
    }

    public Object[] convertRow(Object[] columns) {
        for (int i = 0; i < columns.length; i++) {
            if (wideners[i] == null) {
                continue;
            }
            columns[i] = wideners[i].widen(columns[i]);
        }
        return columns;
    }
}