/**
    * Copyright 2005-2011 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.hibernate.annotations.GenericGenerator;
  import org.hibernate.annotations.Parameter;
  import org.kuali.rice.core.framework.persistence.jpa.OrmUtils;
  import org.kuali.rice.kew.api.doctype.ProcessDefinitionContract;
  import org.kuali.rice.kew.doctype.bo.DocumentType;
  import org.kuali.rice.kew.service.KEWServiceLocator;
  
  import javax.persistence.CascadeType;
  import javax.persistence.Column;
  import javax.persistence.Entity;
  import javax.persistence.FetchType;
  import javax.persistence.GeneratedValue;
  import javax.persistence.Id;
  import javax.persistence.JoinColumn;
  import javax.persistence.ManyToOne;
  import javax.persistence.OneToOne;
  import javax.persistence.Table;
  import javax.persistence.Version;
  import java.io.Serializable;
  
  
  /**
   * Represents a route path defined on a {@link DocumentType}.  A ProcessDefinition is a named entity which
   * simply points to an initial {@link RouteNode} which represents the beginning of the ProcessDefinition.
   * The path of the process can then be followed using the next nodes defined on the route nodes. 
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  @Entity
  @Table(name="KREW_DOC_TYP_PROC_T")
  //@Sequence(name="KREW_RTE_NODE_S",property="processId")
  public class ProcessDefinitionBo implements Serializable, ProcessDefinitionContract {
  
  	private static final long serialVersionUID = -6338857095673479752L;
      
      @Id
      @GeneratedValue(generator="KREW_RTE_NODE_S")
  	@GenericGenerator(name="KREW_RTE_NODE_S",strategy="org.hibernate.id.enhanced.SequenceStyleGenerator",parameters={
  			@Parameter(name="sequence_name",value="KREW_RTE_NODE_S"),
  			@Parameter(name="value_column",value="id")
  	})
  	@Column(name="DOC_TYP_PROC_ID")
  	private String processId;
  	@Column(name="NM")
  	private String name;
  	@ManyToOne(fetch=FetchType.EAGER)
  	@JoinColumn(name="DOC_TYP_ID")
  	private DocumentType documentType;
  	@OneToOne(fetch=FetchType.EAGER, cascade={CascadeType.PERSIST, CascadeType.MERGE})
  	@JoinColumn(name="INIT_RTE_NODE_ID")
  	private RouteNode initialRouteNode;
      @Column(name="INIT_IND")
  	private boolean initial = false;
  	@Version
  	@Column(name="VER_NBR")
  	private Integer lockVerNbr;
  	
  	public String getProcessId() {
  		return processId;
  	}
  	public void setProcessId(String processId) {
  		this.processId = processId;
  	}
  	public DocumentType getDocumentType() {
  		return documentType;
  	}
  	public void setDocumentType(DocumentType documentType) {
  		this.documentType = documentType;
  	}
  	public RouteNode getInitialRouteNode() {
  		return initialRouteNode;
  	}
  	public void setInitialRouteNode(RouteNode initialRouteNode) {
  		this.initialRouteNode = initialRouteNode;
  	}
  	public String getName() {
  		return name;
  	}
  	public void setName(String name) {
  		this.name = name;
  	}
  	public boolean isInitial() {
 		return initial;
 	}
 	public void setInitial(boolean initial) {
 		this.initial = initial;
 	}
 	public Integer getLockVerNbr() {
 		return lockVerNbr;
 	}
 	public void setLockVerNbr(Integer lockVerNbr) {
 		this.lockVerNbr = lockVerNbr;
 	}
 
 	//@PrePersist
 	public void beforeInsert(){
 		OrmUtils.populateAutoIncValue(this, KEWServiceLocator.getEntityManagerFactory().createEntityManager());
 	}
 
 	@Override
     public String getId() {
         if (processId == null) {
             return null;
         }
         return processId.toString();
     }
 
     @Override
     public Long getVersionNumber() {
         if (lockVerNbr == null) {
             return null;
         }
         return new Long(lockVerNbr.longValue());
     }
 
     @Override
     public String getDocumentTypeId() {
         if (documentType == null) {
             return null;
         }
         return documentType.getId();
     }
 
 }