/*
***************************************************************************************
* 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.core.service;
import com.espertech.esper.client.EPStatement;
import com.espertech.esper.util.TypeWidener;
/**
* Implementation of a convertor for column results that renders the result as an object array itself.
*/
public class DeliveryConvertorWidenerWStatement implements DeliveryConvertor {
private final TypeWidener[] wideners;
private final EPStatement statement;
public DeliveryConvertorWidenerWStatement(TypeWidener[] wideners, EPStatement statement) {
this.wideners = wideners;
this.statement = statement;
}
public Object[] convertRow(Object[] columns) {
Object[] values = new Object[columns.length + 1];
values[0] = statement;
int offset = 1;
for (int i = 0; i < columns.length; i++) {
if (wideners[i] == null) {
values[offset] = columns[i];
} else {
values[offset] = wideners[i].widen(columns[i]);
}
offset++;
}
return values;
}
}