/*
    * Licensed to The Apereo Foundation under one or more contributor license
    * agreements. See the NOTICE file distributed with this work for additional
    * information regarding copyright ownership.
    *
    *
    * The Apereo Foundation licenses this file to you under the Educational
    * Community 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://opensource.org/licenses/ecl2.txt
   *
   * 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.opencastproject.assetmanager.api;
  
  import static java.lang.String.format;
  
  import java.util.Objects;
  
  import javax.annotation.ParametersAreNonnullByDefault;
  
  /**
   * A property of a media package.
   * Properties can be defined and associated to a media package's version history.
   */
  @ParametersAreNonnullByDefault
  public class Property {
    private final PropertyId id;
    private final Value value;
  
    public Property(PropertyId id, Value value) {
      this.id = id;
      this.value = value;
    }
  
    public static Property mk(PropertyId id, Value value) {
      return new Property(id, value);
    }
  
    public PropertyId getId() {
      return id;
    }
  
    public Value getValue() {
      return value;
    }
  
    @Override public int hashCode() {
      return Objects.hash(id, value);
    }
  
    @Override public boolean equals(Object that) {
      return (this == that) || (that instanceof Property && eqFields((Property) that));
    }
  
    private boolean eqFields(Property that) {
      return Objects.equals(id, that.id) && Objects.equals(value, that.value);
    }
  
    @Override public String toString() {
      return format("Property(%s=%s)", id, value);
    }
  }