/**
    * Copyright 2005-2014 The Kuali Foundation
    *
    * Licensed 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://www.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.rice.kew.engine.node;
  
  import org.kuali.rice.kew.engine.node.dao.impl.RouteNodeDAOJpa;
  
  import javax.persistence.AttributeOverride;
  import javax.persistence.AttributeOverrides;
  import javax.persistence.Column;
  import javax.persistence.Entity;
  import javax.persistence.FetchType;
  import javax.persistence.JoinColumn;
  import javax.persistence.ManyToOne;
  import javax.persistence.NamedQueries;
  import javax.persistence.NamedQuery;
  import javax.persistence.Table;
  import javax.persistence.Version;
  import java.util.Map;
  
  /**
   * The state of a {@link RouteNodeInstance} represented as a key-value pair of Strings.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  @Entity
  @Table(name="KREW_RTE_NODE_INSTN_ST_T")
  @AttributeOverrides({
  @AttributeOverride(name="stateId", column=@Column(name="RTE_NODE_INSTN_ST_ID")) ,
  @AttributeOverride(name="versionNumber", column=@Column(name="VER_NBR", updatable=false, insertable=false)),
  //HACK since this super attribute does not exist on the table
  @AttributeOverride(name="objectId", column=@Column(name="KEY_CD", updatable=false, insertable=false) )
  })
  public class NodeState extends State {
  
      private static final long serialVersionUID = -4382379569851955918L;
  
      @Column(name= "RTE_NODE_INSTN_ID", insertable = false, updatable = false)
      private String routeNodeInstanceId;
  
      @ManyToOne(fetch=FetchType.EAGER)
  	@JoinColumn(name="RTE_NODE_INSTN_ID")
  	private RouteNodeInstance nodeInstance;
  
      @Version
  	@Column(name="VER_NBR")
  	private Integer lockVerNbr;
  
      
      public NodeState() {}
      
      public NodeState(String key, String value) {
      	super(key, value);
      }
      
      
      public RouteNodeInstance getNodeInstance() {
          return nodeInstance;
      }
      public void setNodeInstance(RouteNodeInstance nodeInstance) {
          this.nodeInstance = nodeInstance;
      }
  
      public String getNodeStateId() {
          return getStateId();
      }
  
      public void setNodeStateId(String nodeStateId) {
          setStateId(nodeStateId);
      }
  
      public Integer getLockVerNbr() {
          return lockVerNbr;
      }
  
      public void setLockVerNbr(Integer lockVerNbr) {
          this.lockVerNbr = lockVerNbr;
      }
  
      public NodeState deepCopy(Map<Object, Object> visited) {
          if (visited.containsKey(this)) {
              return (NodeState)visited.get(this);
          }
          NodeState copy = new NodeState(getKey(), getValue());
          visited.put(this, copy);
          copy.stateId = stateId;
          copy.lockVerNbr = lockVerNbr;
         if (nodeInstance != null) {
             copy.nodeInstance = nodeInstance.deepCopy(visited);
         }
         return copy;
     }
 
     public String getRouteNodeInstanceId() {
         return getNodeInstance() != null ? getNodeInstance().getRouteNodeInstanceId() : null;
     }
 
 
 }