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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.microsphere.util;
import java.util.Objects;
/**
* The class to hold a value (No Thread-Safe)
*
* @param the value type
* @author Mercy
* @since 1.0.0
*/
public class ValueHolder {
private V value;
public ValueHolder() {
}
public ValueHolder(V value) {
this.value = value;
}
public V getValue() {
return value;
}
public void setValue(V value) {
this.value = value;
}
public void reset() {
setValue(null);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ValueHolder that = (ValueHolder) o;
return Objects.equals(value, that.value);
}
@Override
public int hashCode() {
return Objects.hashCode(value);
}
@Override
public String toString() {
return "ValueHolder{" +
"value=" + value +
'}';
}
public static ValueHolder of(V value) {
return new ValueHolder<>(value);
}
}