com.orientechnologies.common.types.ORef Maven / Gradle / Ivy
/*
*
* * Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.com)
* *
* * Licensed under the Apache License, Version 2.0 (the "License");
* * you may not use this file except in compliance with the License.
* * You may obtain a copy of the License at
* *
* * http://www.apache.org/licenses/LICENSE-2.0
* *
* * Unless required by applicable law or agreed to in writing, software
* * distributed under the License is distributed on an "AS IS" BASIS,
* * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* * See the License for the specific language governing permissions and
* * limitations under the License.
* *
* * For more information: http://www.orientechnologies.com
*
*/
package com.orientechnologies.common.types;
/**
* Modifiable value. Point to the real value. Useful to pass in method as parameter, letting the method to change. A sort of void*
* of C language.
*
* @author Luca Garulli (l.garulli--at--orientechnologies.com)
*
*/
public class ORef {
public T value;
public ORef() {
}
public ORef(final T object) {
this.value = object;
}
public ORef clear() {
value = null;
return this;
}
@Override
public String toString() {
return value != null ? value.toString() : "ORef";
}
}