com.espertech.esper.util.NullableObject Maven / Gradle / Ivy
/**************************************************************************************
* 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.util;
import java.io.Serializable;
/**
* A generic class to hold an object that may itself be a null value versus an undefined (not existing) value.
*
* The presence of a reference indicates that a value exists, the absence of a reference to this object indicates
* that there is no value (similar to a Pair).
*/
public class NullableObject implements Serializable
{
private static final long serialVersionUID = 4345362826746027878L;
private T object;
/**
* Ctor.
* @param object the object to contain
*/
public NullableObject(T object)
{
this.object = object;
}
/**
* Returns the contained value.
* @return contained value
*/
public T getObject()
{
return object;
}
/**
* Sets a new contained value.
* @param object value to set
*/
public void setObject(T object)
{
this.object = object;
}
}