/**

  * 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.rule;

 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.OneToOne;

 import javax.persistence.Table;

 import org.hibernate.annotations.GenericGenerator;

 import org.hibernate.annotations.Parameter;

 import org.kuali.rice.core.api.delegation.DelegationType;

 import org.kuali.rice.kew.api.rule.RuleDelegationContract;

 import org.kuali.rice.kew.doctype.bo.DocumentType;

 import org.kuali.rice.kew.service.KEWServiceLocator;

 import org.kuali.rice.krad.bo.PersistableBusinessObjectBase;

 /**

  * A model bean representing the delegation of a rule from a responsibility to

  * another rule.  Specifies the delegation type which can be either

  * {@link {@link DelegationType#PRIMARY} or {@link DelegationType#SECONDARY}.

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 @Entity

 @Table(name="KREW_DLGN_RSP_T")

 //@Sequence(name="KREW_RTE_TMPL_S", property="ruleDelegationId")

 public class RuleDelegationBo extends PersistableBusinessObjectBase implements RuleDelegationContract {

         private static final long serialVersionUID = 7989203310473741293L;

         @Id

         @GeneratedValue(generator="KREW_RTE_TMPL_S")

         @GenericGenerator(name="KREW_RTE_TMPL_S",strategy="org.hibernate.id.enhanced.SequenceStyleGenerator",parameters={

                         @Parameter(name="sequence_name",value="KREW_RTE_TMPL_S"),

                         @Parameter(name="value_column",value="id")

         })

         @Column(name="DLGN_RULE_ID")

         private String ruleDelegationId;

     @Column(name="RSP_ID")

         private String responsibilityId;

     @Column(name="DLGN_RULE_BASE_VAL_ID", insertable=false, updatable=false)

         private String delegateRuleId;

     @Column(name="DLGN_TYP")

     private String delegationTypeCode = DelegationType.PRIMARY.getCode();

     @OneToOne(fetch=FetchType.EAGER, cascade={CascadeType.PERSIST})

         @JoinColumn(name="DLGN_RULE_BASE_VAL_ID")

         private RuleBaseValues delegationRule;

 //    @ManyToOne(fetch=FetchType.EAGER, cascade={CascadeType.PERSIST})

 //        @JoinColumn(name="RULE_RSP_ID")

 //        private RuleResponsibility ruleResponsibility;

     public RuleDelegationBo() {

     }

     public Object copy(boolean preserveKeys) {

         RuleDelegationBo clone = new RuleDelegationBo();

         if (ruleDelegationId != null && preserveKeys) {

             clone.setRuleDelegationId(ruleDelegationId);

         }

         clone.setDelegationRule(delegationRule);

         clone.setDelegateRuleId(delegationRule.getId());

         if (delegationTypeCode != null) {

             clone.setDelegationType(DelegationType.fromCode(delegationTypeCode));

         }

         return clone;

     }

     public String getDelegateRuleId() {

         return delegateRuleId;

     }

     public void setDelegateRuleId(String delegateRuleId) {

         this.delegateRuleId = delegateRuleId;

     }

     @Override

     public RuleBaseValues getDelegationRule() {

         return delegationRule;

     }

     public RuleBaseValues getDelegationRuleBaseValues() {

         return delegationRule;

     }

     public void setDelegationRule(RuleBaseValues delegationRule) {

         this.delegationRule = delegationRule;

     }

     /**

      * Setter for type code preserved for DD

      * @param delegationTypeCode the DelegationType code

      */

     public void setDelegationTypeCode(String delegationTypeCode) {

         DelegationType.fromCode(delegationTypeCode);

         this.delegationTypeCode = delegationTypeCode;

     }

     /**

      * Getter for type code preserved for DD

      * @return the DelegationType code

      */

     public String getDelegationTypeCode() {

         return delegationTypeCode;

     }

     @Override

     public DelegationType getDelegationType() {

         return DelegationType.fromCode(delegationTypeCode);

     }

     public void setDelegationType(DelegationType delegationType) {

         this.delegationTypeCode = delegationType.getCode();

     }

     public String getRuleDelegationId() {

         return ruleDelegationId;

     }

     public void setRuleDelegationId(String ruleDelegationId) {

         this.ruleDelegationId = ruleDelegationId;

     }

     /**

      * Returns the most recent RuleResponsibility for the responsibility

      * id on this RuleDelegation.

      */

     public RuleResponsibilityBo getRuleResponsibility() {

             if ( getResponsibilityId() == null ) {

                     return null;

             }

             return KEWServiceLocator.getRuleService().findRuleResponsibility(getResponsibilityId());

     }

     public DocumentType getDocumentType() {

         return this.getDelegationRule().getDocumentType();

     }

     public String getResponsibilityId() {

         return responsibilityId;

     }

     public void setResponsibilityId(String ruleResponsibilityId) {

         this.responsibilityId = ruleResponsibilityId;

     }

         /**

          * An override of the refresh() method that properly preserves the RuleBaseValues instance. If the delegationRuleBaseValues property

          * becomes null as a result of the refresh() method on the PersistableBusinessObjectBase superclass, an attempt is made to retrieve

          * it by calling refreshReferenceObject() for the property. If that also fails, then the RuleBaseValues instance that was in-place

          * prior to the refresh() superclass call will be used as the delegationRuleBaseValues property's value. This override is necessary

          * in order to prevent certain exceptions during the cancellation of a rule delegation maintenance document.

          * 

          * @see org.kuali.rice.krad.bo.PersistableBusinessObjectBase#refresh()

          * @see org.kuali.rice.krad.bo.PersistableBusinessObjectBase#refreshReferenceObject(java.lang.String)

          */

         @Override

         public void refresh() {

                 RuleBaseValues oldRuleBaseValues = this.getDelegationRule();

                 super.refresh();

                 if (this.getDelegationRule() == null) {

                         this.refreshReferenceObject("delegationRuleBaseValues");

                         if (this.getDelegationRule() == null) {

                                 this.setDelegationRule(oldRuleBaseValues);

                         }

                 }

         }

     public static org.kuali.rice.kew.api.rule.RuleDelegation to(RuleDelegationBo bo) {

         if (bo == null) {

             return null;

         }

         return org.kuali.rice.kew.api.rule.RuleDelegation.Builder.create(bo).build();

         /*org.kuali.rice.kew.api.rule.RuleDelegation.Builder builder = org.kuali.rice.kew.api.rule.RuleDelegation.Builder.create();

         builder.setDelegationType(bo.getDelegationType());

         builder.setDelegationRule(org.kuali.rice.kew.api.rule.Rule.Builder.create(RuleBaseValues.to(

                 bo.getDelegationRule())));

         return builder.build();*/

     }

 }