/**

  * 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.dao.impl;

 import org.apache.commons.lang.StringUtils;

 import org.apache.ojb.broker.PersistenceBroker;

 import org.apache.ojb.broker.query.Criteria;

 import org.apache.ojb.broker.query.QueryByCriteria;

 import org.apache.ojb.broker.query.QueryFactory;

 import org.apache.ojb.broker.query.ReportQueryByCriteria;

 import org.kuali.rice.core.api.exception.RiceRuntimeException;

 import org.kuali.rice.kew.api.WorkflowRuntimeException;

 import org.kuali.rice.kew.rule.RuleBaseValues;

 import org.kuali.rice.kew.rule.RuleExtensionBo;

 import org.kuali.rice.kew.rule.RuleResponsibilityBo;

 import org.kuali.rice.kew.rule.dao.RuleDAO;

 import org.kuali.rice.kew.api.KewApiConstants;

 import org.kuali.rice.kim.api.identity.principal.Principal;

 import org.kuali.rice.kim.api.services.KimApiServiceLocator;

 import org.kuali.rice.krad.service.KRADServiceLocator;

 import org.springmodules.orm.ojb.PersistenceBrokerCallback;

 import org.springmodules.orm.ojb.support.PersistenceBrokerDaoSupport;

 import java.sql.PreparedStatement;

 import java.sql.ResultSet;

 import java.sql.Timestamp;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.Date;

 import java.util.HashMap;

 import java.util.HashSet;

 import java.util.Iterator;

 import java.util.List;

 import java.util.Map;

 import java.util.Set;

 public class RuleDAOOjbImpl extends PersistenceBrokerDaoSupport implements RuleDAO {

         private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(RuleDAOOjbImpl.class);

         private static final String OLD_DELEGATIONS_SQL =

                 "select oldDel.dlgn_rule_id "+

                 "from krew_rule_rsp_t oldRsp, krew_dlgn_rsp_t oldDel "+

                 "where oldRsp.rule_id=? and "+

                 "oldRsp.rule_rsp_id=oldDel.rule_rsp_id and "+

                 "oldDel.dlgn_rule_base_val_id not in "+

                 "(select newDel.dlgn_rule_base_val_id from krew_rule_rsp_t newRsp, krew_dlgn_rsp_t newDel "+

                 "where newRsp.rule_id=? and "+

                 "newRsp.rule_rsp_id=newDel.rule_rsp_id)";

         public void save(RuleBaseValues ruleBaseValues) {

                 this.getPersistenceBrokerTemplate().store(ruleBaseValues);

         }

         public List<RuleBaseValues> fetchAllCurrentRulesForTemplateDocCombination(String ruleTemplateId, List documentTypes) {

                 Criteria crit = new Criteria();

                 crit.addIn("docTypeName", documentTypes);

                 crit.addEqualTo("ruleTemplateId", ruleTemplateId);

                 crit.addEqualTo("currentInd", Boolean.TRUE);

                 crit.addEqualTo("active", Boolean.TRUE);

                 crit.addEqualTo("delegateRule", Boolean.FALSE);

                 crit.addEqualTo("templateRuleInd", Boolean.FALSE);

                 crit.addAndCriteria(generateFromToDateCriteria(new Date()));

                 return (List) this.getPersistenceBrokerTemplate().getCollectionByQuery(new QueryByCriteria(RuleBaseValues.class, crit));

         }

         public List<RuleBaseValues> fetchAllCurrentRulesForTemplateDocCombination(String ruleTemplateId, List documentTypes, Timestamp effectiveDate) {

                 Criteria crit = new Criteria();

                 crit.addIn("docTypeName", documentTypes);

                 crit.addEqualTo("ruleTemplateId", ruleTemplateId);

                 crit.addEqualTo("active", Boolean.TRUE);

                 crit.addEqualTo("delegateRule", Boolean.FALSE);

                 crit.addEqualTo("templateRuleInd", Boolean.FALSE);

                 if (effectiveDate != null) {

                         crit.addLessOrEqualThan("activationDate", effectiveDate);

                         crit.addGreaterThan("deactivationDate", effectiveDate);

                 }

                 crit.addAndCriteria(generateFromToDateCriteria(new Date()));

                 return (List) this.getPersistenceBrokerTemplate().getCollectionByQuery(new QueryByCriteria(RuleBaseValues.class, crit));

         }

         public Criteria generateFromToDateCriteria(Date date) {

                 Criteria crit = new Criteria();

                 Criteria fromCrit = new Criteria();

                 Criteria fromNullCrit = new Criteria();

                 fromNullCrit.addIsNull("fromDateValue");

                 Criteria fromLessOrEqualCrit = new Criteria();

                 fromLessOrEqualCrit.addLessOrEqualThan("fromDateValue", new Timestamp(date.getTime()));

                 fromCrit.addOrCriteria(fromNullCrit);

                 fromCrit.addOrCriteria(fromLessOrEqualCrit);

                 Criteria toCrit = new Criteria();

                 Criteria toNullCrit = new Criteria();

                 toNullCrit.addIsNull("toDateValue");

                 Criteria toGreaterOrEqualCrit = new Criteria();

                 toGreaterOrEqualCrit.addGreaterOrEqualThan("toDateValue", new Timestamp(date.getTime()));

                 toCrit.addOrCriteria(toNullCrit);

                 toCrit.addOrCriteria(toGreaterOrEqualCrit);

                 crit.addAndCriteria(fromCrit);

                 crit.addAndCriteria(toCrit);

                 return crit;

         }

         public List<RuleBaseValues> fetchAllRules(boolean currentRules) {

                 Criteria crit = new Criteria();

                 crit.addEqualTo("currentInd", new Boolean(currentRules));

                 crit.addEqualTo("templateRuleInd", Boolean.FALSE);

                 // crit.addEqualTo("delegateRule", Boolean.FALSE);

                 QueryByCriteria query = new QueryByCriteria(RuleBaseValues.class, crit);

                 query.addOrderByDescending("activationDate");

                 return (List) this.getPersistenceBrokerTemplate().getCollectionByQuery(query);

         }

         public void delete(String ruleBaseValuesId) {

                 this.getPersistenceBrokerTemplate().delete(findRuleBaseValuesById(ruleBaseValuesId));

         }

         public List<RuleBaseValues> findByDocumentId(String documentId) {

                 Criteria crit = new Criteria();

                 crit.addEqualTo("documentId", documentId);

                 return (List) this.getPersistenceBrokerTemplate().getCollectionByQuery(new QueryByCriteria(RuleBaseValues.class, crit));

         }

     public RuleBaseValues findRuleBaseValuesByName(String name) {

         Criteria crit = new Criteria();

         crit.addEqualTo("name", name);

         crit.addEqualTo("currentInd", Boolean.TRUE);

         return (RuleBaseValues) this.getPersistenceBrokerTemplate().getObjectByQuery(new QueryByCriteria(RuleBaseValues.class, crit));

     }

         public RuleBaseValues findRuleBaseValuesById(String ruleBaseValuesId) {

                 Criteria crit = new Criteria();

                 crit.addEqualTo("id", ruleBaseValuesId);

         Map<String, String> criteria = new HashMap<String, String>();

         criteria.put("id", ruleBaseValuesId);

                 // crit.addEqualTo("currentInd", new Boolean(true));

         return KRADServiceLocator.getBusinessObjectService().findByPrimaryKey(RuleBaseValues.class, criteria);

                 //return (RuleBaseValues) this.getPersistenceBrokerTemplate().getObjectByQuery(new QueryByCriteria(RuleBaseValues.class, crit));

         }

         public List<RuleBaseValues> findRuleBaseValuesByResponsibilityReviewer(String reviewerName, String type) {

                 Criteria crit = new Criteria();

                 crit.addEqualTo("ruleResponsibilityName", reviewerName);

                 crit.addEqualTo("ruleResponsibilityType", type);

                 List responsibilities = (List) this.getPersistenceBrokerTemplate().getCollectionByQuery(new QueryByCriteria(RuleResponsibilityBo.class, crit));

                 List rules = new ArrayList();

                 for (Iterator iter = responsibilities.iterator(); iter.hasNext();) {

                         RuleResponsibilityBo responsibility = (RuleResponsibilityBo) iter.next();

                         RuleBaseValues rule = responsibility.getRuleBaseValues();

                         if (rule != null && rule.getCurrentInd() != null && rule.getCurrentInd().booleanValue()) {

                                 rules.add(rule);

                         }

                 }

                 return rules;

         }

         public List<RuleBaseValues> findRuleBaseValuesByResponsibilityReviewerTemplateDoc(String ruleTemplateName, String documentType, String reviewerName, String type) {

             Criteria crit = new Criteria();

                 crit.addEqualTo("ruleResponsibilityName", reviewerName);

                 crit.addEqualTo("ruleResponsibilityType", type);

                 crit.addEqualTo("ruleBaseValues.currentInd", Boolean.TRUE);

                 if (!StringUtils.isBlank(ruleTemplateName)) {

                     crit.addLike("ruleBaseValues.ruleTemplate.name", ruleTemplateName.replace("*", "%").concat("%"));

                 }

                 if (!StringUtils.isBlank(documentType)) {

                     crit.addLike("ruleBaseValues.docTypeName", documentType.replace("*", "%").concat("%"));

                 }

                 List responsibilities = (List) this.getPersistenceBrokerTemplate().getCollectionByQuery(new QueryByCriteria(RuleResponsibilityBo.class, crit));

                 List rules = new ArrayList();

                 for (Iterator iter = responsibilities.iterator(); iter.hasNext();) {

                         RuleResponsibilityBo responsibility = (RuleResponsibilityBo) iter.next();

                         RuleBaseValues rule = responsibility.getRuleBaseValues();

                         if (rule != null && rule.getCurrentInd() != null && rule.getCurrentInd().booleanValue()) {

                                 rules.add(rule);

                         }

                 }

                 return rules;

         }

         public List findRuleBaseValuesByObjectGraph(RuleBaseValues ruleBaseValues) {

                 ruleBaseValues.setCurrentInd(Boolean.TRUE);

                 ruleBaseValues.setTemplateRuleInd(Boolean.FALSE);

                 return (List) this.getPersistenceBrokerTemplate().getCollectionByQuery(new QueryByCriteria(ruleBaseValues));

         }

         public RuleResponsibilityBo findRuleResponsibility(String responsibilityId) {

                 ReportQueryByCriteria subQuery;

                 Criteria subCrit = new Criteria();

                 Criteria crit2 = new Criteria();

                 subCrit.addLike("responsibilityId", responsibilityId);

                 subQuery = QueryFactory.newReportQuery(RuleResponsibilityBo.class, subCrit);

                 subQuery.setAttributes(new String[] {"RULE_ID"});

                 crit2.addIn("id", subQuery);

                 crit2.addEqualTo("currentInd", 1);

                 QueryByCriteria outerQuery = QueryFactory.newQuery(RuleBaseValues.class, crit2);

                 RuleBaseValues rbv = (RuleBaseValues)this.getPersistenceBrokerTemplate().getObjectByQuery(outerQuery);

                 Criteria finalCrit = new Criteria();

                 finalCrit.addEqualTo("responsibilityId", responsibilityId);

                 finalCrit.addEqualTo("ruleBaseValuesId", rbv.getId());

                 RuleResponsibilityBo

                 rResp = (RuleResponsibilityBo)this.getPersistenceBrokerTemplate().getObjectByQuery(new QueryByCriteria(RuleResponsibilityBo.class, finalCrit));

                 if(rResp != null){

                         if(rResp.getRuleBaseValuesId().equals(rbv.getId())){

                                 return rResp;

                         }

                 }        

                 return null;

         }

         public List<RuleBaseValues> search(String docTypeName, String ruleId, String ruleTemplateId, String ruleDescription, String workgroupId, String principalId, Boolean delegateRule, Boolean activeInd, Map extensionValues, String workflowIdDirective) {

         Criteria crit = getSearchCriteria(docTypeName, ruleTemplateId, ruleDescription, delegateRule, activeInd, extensionValues);

         if (ruleId != null) {

             crit.addEqualTo("id", ruleId);

         }

         if (workgroupId != null) {

             crit.addIn("id", getResponsibilitySubQuery(workgroupId));

         }

         List<String> workgroupIds = new ArrayList<String>();

         Boolean searchUser = Boolean.FALSE;

         Boolean searchUserInWorkgroups = Boolean.FALSE;

         if ("group".equals(workflowIdDirective)) {

             searchUserInWorkgroups = Boolean.TRUE;

         } else if (StringUtils.isBlank(workflowIdDirective)) {

             searchUser = Boolean.TRUE;

             searchUserInWorkgroups = Boolean.TRUE;

         } else {

             searchUser = Boolean.TRUE;

         }

         if (!org.apache.commons.lang.StringUtils.isEmpty(principalId) && searchUserInWorkgroups)

         {

             Principal principal = KimApiServiceLocator.getIdentityService().getPrincipal(principalId);

             if (principal == null)

             {

                     throw new RiceRuntimeException("Failed to locate user for the given workflow id: " + principalId);

             }

             workgroupIds = KimApiServiceLocator.getGroupService().getGroupIdsByPrincipalId(principalId);

         }

         ReportQueryByCriteria query = getResponsibilitySubQuery(workgroupIds, principalId, searchUser, searchUserInWorkgroups);

         if (query != null) {

                 crit.addIn("id", query);

         }

                 return (List) this.getPersistenceBrokerTemplate().getCollectionByQuery(new QueryByCriteria(RuleBaseValues.class, crit, true));

         }

     public List<RuleBaseValues> search(String docTypeName, String ruleTemplateId, String ruleDescription, Collection<String> workgroupIds, String workflowId, Boolean delegateRule, Boolean activeInd, Map extensionValues, Collection actionRequestCodes) {

             List results = null;

         Criteria crit = getSearchCriteria(docTypeName, ruleTemplateId, ruleDescription, delegateRule, activeInd, extensionValues);

         ReportQueryByCriteria query = getResponsibilitySubQuery(workgroupIds, workflowId, actionRequestCodes, (workflowId != null), ((workgroupIds != null) && !workgroupIds.isEmpty()));

         if (query != null) {

                 crit.addIn("ruleResponsibilities.ruleBaseValuesId", query);

         }

         results = (List) this.getPersistenceBrokerTemplate().getCollectionByQuery(new QueryByCriteria(RuleBaseValues.class, crit, true));

         return results;

     }

     private ReportQueryByCriteria getResponsibilitySubQuery(List<String> workgroupIds, String workflowId, Boolean searchUser, Boolean searchUserInWorkgroups) {

         Collection<String> workgroupIdStrings = new ArrayList<String>();

         for (String workgroupId : workgroupIds) {

             workgroupIdStrings.add(workgroupId);

         }

         return getResponsibilitySubQuery(workgroupIdStrings,workflowId,new ArrayList<String>(), searchUser, searchUserInWorkgroups);

     }

     private ReportQueryByCriteria getResponsibilitySubQuery(Collection<String> workgroupIds, String workflowId, Collection actionRequestCodes, Boolean searchUser, Boolean searchUserInWorkgroups) {

         Criteria responsibilityCrit = null;

         if ( (actionRequestCodes != null) && (!actionRequestCodes.isEmpty()) ) {

                 responsibilityCrit = new Criteria();

             responsibilityCrit.addIn("actionRequestedCd", actionRequestCodes);

         }

         ReportQueryByCriteria query = null;

         Criteria ruleResponsibilityNameCrit = null;

         if (!org.apache.commons.lang.StringUtils.isEmpty(workflowId)) {

             // workflow user id exists

             if (searchUser != null && searchUser) {

                 // searching user wishes to search for rules specific to user

                 ruleResponsibilityNameCrit = new Criteria();

                 ruleResponsibilityNameCrit.addLike("ruleResponsibilityName", workflowId);

                 ruleResponsibilityNameCrit.addEqualTo("ruleResponsibilityType", KewApiConstants.RULE_RESPONSIBILITY_WORKFLOW_ID);

             }

             if ( (searchUserInWorkgroups != null && searchUserInWorkgroups) && (workgroupIds != null) && (!workgroupIds.isEmpty()) ) {

                 // at least one workgroup id exists and user wishes to search on workgroups

                 if (ruleResponsibilityNameCrit == null) {

                     ruleResponsibilityNameCrit = new Criteria();

                 }

                 Criteria workgroupCrit = new Criteria();

                 workgroupCrit.addIn("ruleResponsibilityName", workgroupIds);

                 workgroupCrit.addEqualTo("ruleResponsibilityType", KewApiConstants.RULE_RESPONSIBILITY_GROUP_ID);

                 ruleResponsibilityNameCrit.addOrCriteria(workgroupCrit);

             }

         } else if ( (workgroupIds != null) && (workgroupIds.size() == 1) ) {

             // no user and one workgroup id

             ruleResponsibilityNameCrit = new Criteria();

             ruleResponsibilityNameCrit.addLike("ruleResponsibilityName", workgroupIds.iterator().next());

             ruleResponsibilityNameCrit.addEqualTo("ruleResponsibilityType", KewApiConstants.RULE_RESPONSIBILITY_GROUP_ID);

         } else if ( (workgroupIds != null) && (workgroupIds.size() > 1) ) {

             // no user and more than one workgroup id

             ruleResponsibilityNameCrit = new Criteria();

             ruleResponsibilityNameCrit.addIn("ruleResponsibilityName", workgroupIds);

             ruleResponsibilityNameCrit.addEqualTo("ruleResponsibilityType", KewApiConstants.RULE_RESPONSIBILITY_GROUP_ID);

         }

         if (ruleResponsibilityNameCrit != null) {

                 if (responsibilityCrit == null) {

                         responsibilityCrit = new Criteria();

                 }

             responsibilityCrit.addAndCriteria(ruleResponsibilityNameCrit);

         }

         if (responsibilityCrit != null) {

                 query = QueryFactory.newReportQuery(RuleResponsibilityBo.class, responsibilityCrit);

                 query.setAttributes(new String[] { "ruleBaseValuesId" });

         }

         return query;

     }

     private Criteria getSearchCriteria(String docTypeName, String ruleTemplateId, String ruleDescription, Boolean delegateRule, Boolean activeInd, Map extensionValues) {

         Criteria crit = new Criteria();

         crit.addEqualTo("currentInd", Boolean.TRUE);

         crit.addEqualTo("templateRuleInd", Boolean.FALSE);

         if (activeInd != null) {

             crit.addEqualTo("active", activeInd);

         }

         if (docTypeName != null) {

             crit.addLike("UPPER(docTypeName)", docTypeName.toUpperCase());

         }

         if (ruleDescription != null && !ruleDescription.trim().equals("")) {

             crit.addLike("UPPER(description)", ruleDescription.toUpperCase());

         }

         if (ruleTemplateId != null) {

             crit.addEqualTo("ruleTemplateId", ruleTemplateId);

         }

         if (delegateRule != null) {

             crit.addEqualTo("delegateRule", delegateRule);

         }

         if (extensionValues != null && !extensionValues.isEmpty()) {

             for (Iterator iter2 = extensionValues.entrySet().iterator(); iter2.hasNext();) {

                 Map.Entry entry = (Map.Entry) iter2.next();

                 if (!org.apache.commons.lang.StringUtils.isEmpty((String) entry.getValue())) {

                     // Criteria extensionCrit = new Criteria();

                     // extensionCrit.addEqualTo("extensionValues.key",

                     // entry.getKey());

                     // extensionCrit.addLike("extensionValues.value",

                     // "%"+(String) entry.getValue()+"%");

                     Criteria extensionCrit2 = new Criteria();

                     extensionCrit2.addEqualTo("extensionValues.key", entry.getKey());

                     extensionCrit2.addLike("UPPER(extensionValues.value)", ("%" + (String) entry.getValue() + "%").toUpperCase());

                     // Criteria extensionCrit3 = new Criteria();

                     // extensionCrit3.addEqualTo("extensionValues.key",

                     // entry.getKey());

                     // extensionCrit3.addLike("extensionValues.value",

                     // ("%"+(String) entry.getValue()+"%").toLowerCase());

                     // extensionCrit.addOrCriteria(extensionCrit2);

                     // extensionCrit.addOrCriteria(extensionCrit3);

                     ReportQueryByCriteria query = QueryFactory.newReportQuery(RuleExtensionBo.class, extensionCrit2);

                     query.setAttributes(new String[] { "ruleBaseValuesId" });

                     crit.addIn("ruleExtensions.ruleBaseValuesId", query);

                 }

             }

         }

         return crit;

     }

     private Criteria getWorkgroupOrCriteria(Collection workgroupIds) {

         Criteria responsibilityCrit = new Criteria();

         for (Iterator iter = workgroupIds.iterator(); iter.hasNext();) {

             String workgroupIdFromList = (String) iter.next();

             Criteria orCriteria = new Criteria();

             orCriteria.addLike("ruleResponsibilityName", workgroupIdFromList);

             responsibilityCrit.addOrCriteria(orCriteria);

         }

         ReportQueryByCriteria query = QueryFactory.newReportQuery(RuleResponsibilityBo.class, responsibilityCrit);

         query.setAttributes(new String[] { "ruleBaseValuesId" });

         Criteria crit = new Criteria();

         crit.addIn("responsibilities.ruleBaseValuesId", query);

         return crit;

     }

         private ReportQueryByCriteria getResponsibilitySubQuery(String ruleResponsibilityName) {

                 Criteria responsibilityCrit = new Criteria();

                 responsibilityCrit.addLike("ruleResponsibilityName", ruleResponsibilityName);

                 ReportQueryByCriteria query = QueryFactory.newReportQuery(RuleResponsibilityBo.class, responsibilityCrit);

                 query.setAttributes(new String[] { "ruleBaseValuesId" });

                 return query;

         }

         private ReportQueryByCriteria getWorkgroupResponsibilitySubQuery(Set<Long> workgroupIds) {

                     Set<String> workgroupIdStrings = new HashSet<String>();

                     for (Long workgroupId : workgroupIds) {

                         workgroupIdStrings.add(workgroupId.toString());

                     }

                 Criteria responsibilityCrit = new Criteria();

                 responsibilityCrit.addIn("ruleResponsibilityName", workgroupIds);

                 responsibilityCrit.addEqualTo("ruleResponsibilityType", KewApiConstants.RULE_RESPONSIBILITY_GROUP_ID);

                 ReportQueryByCriteria query = QueryFactory.newReportQuery(RuleResponsibilityBo.class, responsibilityCrit);

                 query.setAttributes(new String[] { "ruleBaseValuesId" });

                 return query;

         }

         public List<RuleBaseValues> findByPreviousRuleId(String previousRuleId) {

                 Criteria crit = new Criteria();

                 crit.addEqualTo("previousRuleId", previousRuleId);

                 return (List) this.getPersistenceBrokerTemplate().getCollectionByQuery(new QueryByCriteria(RuleBaseValues.class, crit));

         }

         public RuleBaseValues findDefaultRuleByRuleTemplateId(String ruleTemplateId) {

                 Criteria crit = new Criteria();

                 crit.addEqualTo("ruleTemplateId", ruleTemplateId);

                 crit.addEqualTo("templateRuleInd", Boolean.TRUE);

                 List rules = (List) this.getPersistenceBrokerTemplate().getCollectionByQuery(new QueryByCriteria(RuleBaseValues.class, crit));

                 if (rules != null && !rules.isEmpty()) {

                         return (RuleBaseValues) rules.get(0);

                 }

                 return null;

         }

         public void retrieveAllReferences(RuleBaseValues rule) {

                 // getPersistenceBroker().retrieveAllReferences(rule);

         }

         public RuleBaseValues getParentRule(String ruleBaseValuesId) {

                 Criteria criteria = new Criteria();

                 criteria.addEqualTo("currentInd", Boolean.TRUE);

                 criteria.addEqualTo("responsibilities.delegationRules.delegateRuleId", ruleBaseValuesId);

                 Collection rules = this.getPersistenceBrokerTemplate().getCollectionByQuery(new QueryByCriteria(RuleBaseValues.class, criteria));

                 RuleBaseValues rule = null;

                 for (Iterator iterator = rules.iterator(); iterator.hasNext();) {

                         RuleBaseValues currentRule = (RuleBaseValues) iterator.next();

                         if (rule == null || currentRule.getVersionNbr().intValue() > rule.getVersionNbr().intValue()) {

                                 rule = currentRule;

                         }

                 }

                 return rule;

         }

         public List findOldDelegations(final RuleBaseValues oldRule, final RuleBaseValues newRule) {

                 return (List)this.getPersistenceBrokerTemplate().execute(new PersistenceBrokerCallback() {

                         public Object doInPersistenceBroker(PersistenceBroker pb) {

                                 List oldDelegations = new ArrayList();

                                 PreparedStatement ps = null;

                                 ResultSet rs = null;

                                 try {

                                         ps = pb.serviceConnectionManager().getConnection().prepareStatement(OLD_DELEGATIONS_SQL);

                                         ps.setString(1, oldRule.getId());

                                         ps.setString(2, newRule.getId());

                                         rs = ps.executeQuery();

                                         while (rs.next()) {

                                                 oldDelegations.add(findRuleBaseValuesById(rs.getString(1)));

                                         }

                                 } catch (Exception e) {

                                         throw new WorkflowRuntimeException("error saving deactivation date", e);

                                 } finally {

                                         if (rs != null) {

                                                 try {

                                                         rs.close();

                                                 } catch (Exception e) {

                                                         LOG.error("error closing result set", e);

                                                 }

                                         }

                                         if (ps != null) {

                                                 try {

                                                         ps.close();

                                                 } catch (Exception e) {

                                                         LOG.error("error closing preparedstatement", e);

                                                 }

                                         }

                                 }

                                 return oldDelegations;

                         }

                 });

         }

         public String findResponsibilityIdForRule(String ruleName, String ruleResponsibilityName, String ruleResponsibilityType) {

                 Criteria crit = new Criteria();

                 crit.addEqualTo("ruleResponsibilityName", ruleResponsibilityName);

                 crit.addEqualTo("ruleResponsibilityType", ruleResponsibilityType);

                 crit.addEqualTo("ruleBaseValues.currentInd", Boolean.TRUE);

                 crit.addEqualTo("ruleBaseValues.name", ruleName);

                 List responsibilities = (List) this.getPersistenceBrokerTemplate().getCollectionByQuery(new QueryByCriteria(RuleResponsibilityBo.class, crit));

                 if (responsibilities != null) {

                         for (Iterator iter = responsibilities.iterator(); iter.hasNext();) {

                                 RuleResponsibilityBo responsibility = (RuleResponsibilityBo) iter.next();

                                 return responsibility.getResponsibilityId();

                         }

                 }

                 return null;

         }

 }