/*
    * 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.user;
  
  import java.util.ArrayList;
  import java.util.List;
  import javax.persistence.CascadeType;
  import javax.persistence.Entity;
  import javax.persistence.FetchType;
  import javax.persistence.ManyToOne;
  import javax.persistence.OneToMany;
  import javax.persistence.OneToOne;
  import javax.persistence.Table;
  import javax.validation.Valid;
  import org.apache.syncope.core.persistence.api.entity.PlainAttrUniqueValue;
  import org.apache.syncope.core.persistence.api.entity.PlainAttrValue;
  import org.apache.syncope.core.persistence.api.entity.user.UMembership;
  import org.apache.syncope.core.persistence.api.entity.user.UPlainAttr;
  import org.apache.syncope.core.persistence.api.entity.user.UPlainAttrUniqueValue;
  import org.apache.syncope.core.persistence.api.entity.user.UPlainAttrValue;
  import org.apache.syncope.core.persistence.api.entity.user.User;
  import org.apache.syncope.core.persistence.jpa.entity.AbstractPlainAttr;
  
  @Entity
  @Table(name = JPAUPlainAttr.TABLE)
  public class JPAUPlainAttr extends AbstractPlainAttr<User> implements UPlainAttr {
  
      private static final long serialVersionUID = 6333601983691157406L;
  
      public static final String TABLE = "UPlainAttr";
  
      /**
       * The owner of this attribute.
       */
      @ManyToOne(fetch = FetchType.EAGER)
      private JPAUser owner;
  
      /**
       * The membership of this attribute; might be {@code NULL} if this attribute is not related to a membership.
       */
      @ManyToOne(fetch = FetchType.EAGER)
      private JPAUMembership membership;
  
      /**
       * Values of this attribute (if schema is not UNIQUE).
       */
      @OneToMany(cascade = { CascadeType.PERSIST, CascadeType.MERGE }, orphanRemoval = true, mappedBy = "attribute")
      @Valid
      private List<JPAUPlainAttrValue> values = new ArrayList<>();
  
      /**
       * Value of this attribute (if schema is UNIQUE).
       */
      @OneToOne(cascade = CascadeType.ALL, orphanRemoval = true, mappedBy = "attribute")
      @Valid
      private JPAUPlainAttrUniqueValue uniqueValue;
  
      @Override
      public User getOwner() {
          return owner;
      }
  
      @Override
      public void setOwner(final User owner) {
          checkType(owner, JPAUser.class);
          this.owner = (JPAUser) owner;
      }
  
      @Override
      public UMembership getMembership() {
          return membership;
      }
  
      @Override
      public void setMembership(final UMembership membership) {
          checkType(membership, JPAUMembership.class);
          this.membership = (JPAUMembership) membership;
      }
  
      @Override
      protected boolean addForMultiValue(final PlainAttrValue attrValue) {
          checkType(attrValue, JPAUPlainAttrValue.class);
          return values.add((JPAUPlainAttrValue) attrValue);
     }
 
     @Override
     public List<? extends UPlainAttrValue> getValues() {
         return values;
     }
 
     @Override
     public UPlainAttrUniqueValue getUniqueValue() {
         return uniqueValue;
     }
 
     @Override
     public void setUniqueValue(final PlainAttrUniqueValue uniqueValue) {
         checkType(uniqueValue, JPAUPlainAttrUniqueValue.class);
         this.uniqueValue = (JPAUPlainAttrUniqueValue) uniqueValue;
     }
 }