/*
    * 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.common.lib.request;
  
  import com.fasterxml.jackson.annotation.JsonProperty;
  import org.apache.commons.lang3.builder.EqualsBuilder;
  import org.apache.commons.lang3.builder.HashCodeBuilder;
  
  public abstract class AbstractPatchItem<T> extends AbstractPatch {
  
      private static final long serialVersionUID = -8889326446009942028L;
  
      protected abstract static class Builder<T, P extends AbstractPatchItem<T>, B extends Builder<T, P, B>>
              extends AbstractPatch.Builder<P, B> {
  
          @SuppressWarnings("unchecked")
          public B value(final T value) {
              getInstance().setValue(value);
              return (B) this;
          }
      }
  
      private T value;
  
      @JsonProperty(required = true)
      public T getValue() {
          return value;
      }
  
      public void setValue(final T value) {
          this.value = value;
      }
  
      @Override
      public int hashCode() {
          return new HashCodeBuilder().
                  appendSuper(super.hashCode()).
                  append(value).
                  build();
      }
  
      @Override
      public boolean equals(final Object obj) {
          if (this == obj) {
              return true;
          }
          if (obj == null) {
              return false;
          }
          if (getClass() != obj.getClass()) {
              return false;
          }
          @SuppressWarnings("unchecked")
          final AbstractPatchItem<T> other = (AbstractPatchItem<T>) obj;
          return new EqualsBuilder().
                  appendSuper(super.equals(obj)).
                  append(value, other.value).
                  build();
      }
  }