/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.plugin.maven.server.rmi;
/**
* Mutable version of {@link java.util.Optional}
*
* @author Evgen Vidolob
*/
public class Ref<T> {
private T value;
private Ref(T value) {
this.value = value;
}
public static <T> Ref<T> ofNull() {
return new Ref<>(null);
}
public static <T> Ref<T> of(T value) {
return new Ref<>(value);
}
public T getValue() {
return value;
}
public void setValue(T value) {
this.value = value;
}
public boolean isNull() {
return value == null;
}
}