foundations/foundation-common/src/main/java/org/apache/servicecomb/foundation/common/Holder.java

/*
 * 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 org.apache.servicecomb.foundation.common;

// do not use javax.xml.ws.Holder, use this one. Because JDK 11 above do not have javax.ws.Holder
public final class Holder<T> {

  /**
   * The value contained in the holder.
   */
  public T value;

  /**
   * Creates a new holder with a <code>null</code> value.
   */
  public Holder() {
  }

  /**
   * Create a new holder with the specified value.
   *
   * @param value The value to be stored in the holder.
   */
  public Holder(T value) {
    this.value = value;
  }
}