/*

  * 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.rule.dao.impl;

 import java.util.ArrayList;

 import java.util.Iterator;

 import java.util.List;

 import org.apache.ojb.broker.PersistenceBroker;

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

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

 import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;

 import org.kuali.rice.core.framework.persistence.platform.DatabasePlatform;

 import org.kuali.rice.core.util.RiceConstants;

 import org.kuali.rice.kew.rule.bo.RuleTemplate;

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

 import org.springmodules.orm.ojb.PersistenceBrokerCallback;

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

 public class RuleTemplateDAOOjbImpl extends PersistenceBrokerDaoSupport implements RuleTemplateDAO {

     public List<RuleTemplate> findAll() {

         QueryByCriteria query = new QueryByCriteria(RuleTemplate.class);

         query.addOrderByAscending("name");

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

     }

     public RuleTemplate findByRuleTemplateName(String ruleTemplateName) {

         Criteria crit = new Criteria();

         crit.addEqualTo("name", ruleTemplateName);

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

         query.addOrderByDescending("ruleTemplateId");

         Iterator ruleTemplates = this.getPersistenceBrokerTemplate().getCollectionByQuery(query).iterator();

         while(ruleTemplates.hasNext()) {

             return (RuleTemplate) ruleTemplates.next();

         }

         return null;

     }

     public List<RuleTemplate> findByRuleTemplate(RuleTemplate ruleTemplate) {

         Criteria crit = new Criteria();

         if (ruleTemplate.getName() != null) {

           crit.addSql("UPPER(RULE_TMPL_NM) like '"+ ruleTemplate.getName().toUpperCase() +"'");

         }

         if (ruleTemplate.getDescription() != null) {

           crit.addSql("UPPER(RULE_TMPL_DESC) like '"+ ruleTemplate.getDescription().toUpperCase()+"'");

         }

         return new ArrayList<RuleTemplate>(this.getPersistenceBrokerTemplate().getCollectionByQuery(new QueryByCriteria(RuleTemplate.class, crit)));

     }

     public void delete(String ruleTemplateId) {

             this.getPersistenceBrokerTemplate().delete(findByRuleTemplateId(ruleTemplateId));

     }

     public RuleTemplate findByRuleTemplateId(String ruleTemplateId) {

         Criteria crit = new Criteria();

         crit.addEqualTo("ruleTemplateId", ruleTemplateId);

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

     }

     public void save(RuleTemplate ruleTemplate) {

             this.getPersistenceBrokerTemplate().store(ruleTemplate);

     }

     public String getNextRuleTemplateId() {

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

             public Object doInPersistenceBroker(PersistenceBroker broker) {

                       return String.valueOf(getPlatform().getNextValSQL("KREW_RTE_TMPL_S", broker));

             }

         });

     }

     protected DatabasePlatform getPlatform() {

             return (DatabasePlatform)GlobalResourceLoader.getService(RiceConstants.DB_PLATFORM);

     }

 }