/*
    * Copyright 2005-2007 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 java.io.Serializable;
  
  import javax.persistence.Id;
  import javax.persistence.MappedSuperclass;
  import javax.persistence.PrePersist;
  
  import org.apache.commons.lang.builder.ToStringBuilder;
  import org.kuali.rice.core.jpa.annotations.Sequence;
  import org.kuali.rice.core.util.OrmUtils;
  import org.kuali.rice.kew.service.KEWServiceLocator;
  
  /**
   * A KeyValuePair that adds an id fields that makes it sufficient for storing in a database.
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  @MappedSuperclass
  @Sequence(name="KREW_RTE_NODE_S", property="stateId")
  public abstract class State extends KeyValuePair implements Serializable {
      @Id
  	protected Long stateId;
  
      public State() {}
  
      @PrePersist
      public void beforeInsert(){
          OrmUtils.populateAutoIncValue(this, KEWServiceLocator.getEntityManagerFactory().createEntityManager());
      }
      
      public State(String key, String value) {
          super(key, value);
      }
  
      public Long getStateId() {
          return stateId;
      }
  
      public void setStateId(Long stateId) {
          this.stateId = stateId;
      }
      
      public String toString() {
          return new ToStringBuilder(this)
              .append("stateId", stateId)
              .append("key", key)
              .append("value", value)
              .toString();
      }
  }