/*
    * 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.syncope.core.persistence.jpa.entity;
  
  import com.fasterxml.jackson.annotation.JsonIdentityInfo;
  import com.fasterxml.jackson.annotation.ObjectIdGenerators;
  import java.util.Objects;
  import org.apache.syncope.core.persistence.api.entity.Entity;
  import org.apache.syncope.core.persistence.api.entity.Implementation;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  @JsonIdentityInfo(generator = ObjectIdGenerators.PropertyGenerator.class, property = "key")
  public abstract class AbstractEntity implements Entity {
  
      private static final long serialVersionUID = -9017214159540857901L;
  
      protected static final Logger LOG = LoggerFactory.getLogger(AbstractEntity.class);
  
      protected void checkType(final Object object, final Class<?> clazz) {
          if (object != null && !clazz.isInstance(object)) {
              throw new ClassCastException("Expected " + clazz.getName() + ", got " + object.getClass().getName());
          }
      }
  
      protected void checkImplementationType(final Implementation object, final String expected) {
          if (object != null && !object.getType().equals(expected)) {
              throw new ClassCastException("Expected " + expected + ", got " + object.getType());
          }
      }
  
      @Override
      public boolean equals(final Object obj) {
          if (this == obj) {
              return true;
          }
          if (!(obj instanceof AbstractEntity)) {
              return false;
          }
          AbstractEntity entity = (AbstractEntity) obj;
          return Objects.equals(getKey(), entity.getKey());
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(getKey());
      }
  
      @Override
      public String toString() {
          return new StringBuilder().append(getClass().getSimpleName()).
                  append('[').append(getKey()).append(']').toString();
      }
  }