content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio;
  
  import java.util.function.Supplier;
  
  /**
   * Supplier for a configuration property default.
   */
  public class DefaultSupplier implements Supplier<Object> {
    private final Supplier<Object> mSupplier;
    private final String mDescription;
  
    /**
     * @param supplier the value
     * @param description a description of the default value
     */
    public DefaultSupplier(Supplier<Object> supplier, String description) {
      mSupplier = supplier;
      mDescription = description;
    }
  
    @Override
    public Object get() {
      return mSupplier.get();
    }
  
    /**
     * @return a description of how the default value is determined
     */
    public String getDescription() {
      return mDescription;
    }
  }
  