/*
***************************************************************************************
* 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.event.vaevent;
import com.espertech.esper.util.NullableObject;
/**
* Base strategy implementation holds the specification object.
*/
public abstract class UpdateStrategyBase implements UpdateStrategy {
/**
* The specification.
*/
protected final RevisionSpec spec;
/**
* Ctor.
*
* @param spec is the specification
*/
protected UpdateStrategyBase(RevisionSpec spec) {
this.spec = spec;
}
/**
* Array copy.
*
* @param array to copy
* @return copied array
*/
protected static NullableObject<Object>[] arrayCopy(NullableObject<Object>[] array) {
if (array == null) {
return null;
}
NullableObject<Object>[] result = (NullableObject<Object>[]) new NullableObject[array.length];
System.arraycopy(array, 0, result, 0, array.length);
return result;
}
}