io.activej.common.ref.Ref Maven / Gradle / Ivy
/*
* Copyright (C) 2020 ActiveJ LLC.
*
* 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.
*/
package io.activej.common.ref;
public final class Ref {
public T value;
public Ref(T value) {
this.value = value;
}
public Ref() {
this(null);
}
public T get() {
return value;
}
public void set(T peer) {
this.value = peer;
}
public void unset() {
this.value = null;
}
@Override
public String toString() {
return "→" + value;
}
}