SystemModuleDAOImpl.java

/**
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (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.mozilla.org/MPL/ 
* 
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations under
* the License.
* 
* The Original Code is OpenELIS code.
* 
* Copyright (C) The Minnesota Department of Health.  All Rights Reserved.
*/
package us.mn.state.health.lims.systemmodule.daoimpl;

import org.apache.commons.beanutils.PropertyUtils;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import us.mn.state.health.lims.audittrail.dao.AuditTrailDAO;
import us.mn.state.health.lims.audittrail.daoimpl.AuditTrailDAOImpl;
import us.mn.state.health.lims.common.action.IActionConstants;
import us.mn.state.health.lims.common.daoimpl.BaseDAOImpl;
import us.mn.state.health.lims.common.exception.LIMSDuplicateRecordException;
import us.mn.state.health.lims.common.exception.LIMSRuntimeException;
import us.mn.state.health.lims.common.log.LogEvent;
import us.mn.state.health.lims.common.util.StringUtil;
import us.mn.state.health.lims.common.util.SystemConfiguration;
import us.mn.state.health.lims.hibernate.HibernateUtil;
import us.mn.state.health.lims.systemmodule.dao.SystemModuleDAO;
import us.mn.state.health.lims.systemmodule.valueholder.SystemModule;

import java.util.List;

/**
 *  @author     Hung Nguyen (Hung.Nguyen@health.state.mn.us)
 */
public class SystemModuleDAOImpl extends BaseDAOImpl implements SystemModuleDAO {

	public void deleteData(List systemModules) throws LIMSRuntimeException {
		//add to audit trail
		try {
			AuditTrailDAO auditDAO = new AuditTrailDAOImpl();
			for (int i = 0; i < systemModules.size(); i++) {
				SystemModule data = (SystemModule)systemModules.get(i);
			
				SystemModule oldData = readSystemModule(data.getId());
				SystemModule newData = new SystemModule();

				String sysUserId = data.getSysUserId();
				String event = IActionConstants.AUDIT_TRAIL_DELETE;
				String tableName = "SYSTEM_MODULE";
				auditDAO.saveHistory(newData,oldData,sysUserId,event,tableName);
			}
		}  catch (Exception e) {
			LogEvent.logError("SystemModuleDAOImpl","AuditTrail deleteData()",e.toString());
			throw new LIMSRuntimeException("Error in SystemModule AuditTrail deleteData()", e);
		}  
		
		try {					
			for (int i = 0; i < systemModules.size(); i++) {
				SystemModule data = (SystemModule) systemModules.get(i);
				data = readSystemModule(data.getId());
				HibernateUtil.getSession().delete(data);
				HibernateUtil.getSession().flush();
				HibernateUtil.getSession().clear();
			}						
		} catch (Exception e) {
			LogEvent.logError("SystemModuleDAOImpl","deleteData()",e.toString());
			throw new LIMSRuntimeException("Error in SystemModule deleteData()", e);
		}
	}

	public boolean insertData(SystemModule systemModule) throws LIMSRuntimeException {	
		
		try {
			if (duplicateSystemModuleExists(systemModule)) {
				throw new LIMSDuplicateRecordException("Duplicate record exists for " + systemModule.getSystemModuleName());
			}
			
			String id = (String)HibernateUtil.getSession().save(systemModule);
			systemModule.setId(id);
					
			//add to audit trail
			AuditTrailDAO auditDAO = new AuditTrailDAOImpl();
			String sysUserId = systemModule.getSysUserId();
			String tableName = "SYSTEM_MODULE";
			auditDAO.saveNewHistory(systemModule,sysUserId,tableName);
			
			HibernateUtil.getSession().flush();	
			HibernateUtil.getSession().clear();
		} catch (Exception e) {
			//bugzilla 2154
			LogEvent.logError("SystemModuleDAOImpl","insertData()",e.toString());	
			throw new LIMSRuntimeException("Error in SystemModule insertData()", e);
		} 
		
		return true;
	}

	public void updateData(SystemModule systemModule) throws LIMSRuntimeException {
		try {
			if (duplicateSystemModuleExists(systemModule)) {
				throw new LIMSDuplicateRecordException("Duplicate record exists for " + systemModule.getSystemModuleName());
			}
		} catch (Exception e) {
			LogEvent.logError("SystemModuleDAOImpl","updateData()",e.toString());
			throw new LIMSRuntimeException("Error in SystemModule updateData()", e);
		}

		SystemModule oldData = readSystemModule(systemModule.getId());

		//add to audit trail
		try {
			AuditTrailDAO auditDAO = new AuditTrailDAOImpl();
			auditDAO.saveHistory(systemModule,oldData,systemModule.getSysUserId(),IActionConstants.AUDIT_TRAIL_UPDATE,"SYSTEM_MODULE");
		}  catch (Exception e) {
			LogEvent.logError("SystemModuleDAOImpl","AuditTrail updateData()",e.toString());
			throw new LIMSRuntimeException("Error in SystemModule AuditTrail updateData()", e);
		}  
		
		try {
			HibernateUtil.getSession().merge(systemModule);
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
			HibernateUtil.getSession().evict(systemModule);
			HibernateUtil.getSession().refresh(systemModule);
		} catch (Exception e) {
			LogEvent.logError("SystemModuleDAOImpl","updateData()",e.toString());
			throw new LIMSRuntimeException("Error in SystemModule updateData()", e);
		} 
	}

	public void getData(SystemModule systemModule) throws LIMSRuntimeException {	
		try {					
			SystemModule sysModule = (SystemModule)HibernateUtil.getSession().get(SystemModule.class, systemModule.getId());
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
			if (sysModule != null) {
			  PropertyUtils.copyProperties(systemModule, sysModule);
			} else {
				systemModule.setId(null);
			}
		} catch (Exception e) {
			//bugzilla 2154
			LogEvent.logError("SystemModuleDAOImpl","getData()",e.toString());
			throw new LIMSRuntimeException("Error in SystemModule getData()", e);
		}
	}

	public List getAllSystemModules() throws LIMSRuntimeException {		
		List list;
		try {
			String sql = "from SystemModule";
			Query query = HibernateUtil.getSession().createQuery(sql);
			list = query.list();
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
		} catch(Exception e) {
			LogEvent.logError("SystemModuleDAOImpl","getAllSystemModules()",e.toString());
			throw new LIMSRuntimeException("Error in SystemModule getAllSystemModules()", e);
		} 
		
		return list;
	}

	public List getPageOfSystemModules(int startingRecNo) throws LIMSRuntimeException {		
		List list;
		try {			
			// calculate maxRow to be one more than the page size
			int endingRecNo = startingRecNo + (SystemConfiguration.getInstance().getDefaultPageSize() + 1);
			
			String sql = "from SystemModule s order by s.systemModuleName";
			Query query = HibernateUtil.getSession().createQuery(sql);
			query.setFirstResult(startingRecNo-1);
			query.setMaxResults(endingRecNo-1); 
			
			list = query.list();
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
		} catch (Exception e) {
			LogEvent.logError("SystemModuleDAOImpl","getPageOfSystemModules()",e.toString());
			throw new LIMSRuntimeException("Error in SystemModule getPageOfSystemModules()", e);
		} 
		
		return list;
	}

	public SystemModule readSystemModule(String idString) {		
		SystemModule sysModule;
		try {			
			sysModule = (SystemModule)HibernateUtil.getSession().get(SystemModule.class, idString);
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
		} catch (Exception e) {
			LogEvent.logError("SystemModuleDAOImpl","readSystemModule()",e.toString());
			throw new LIMSRuntimeException("Error in SystemModule readSystemModule(idString)", e);
		}			
		
		return sysModule;
	}
	
	public List getNextSystemModuleRecord(String id) throws LIMSRuntimeException {

		return getNextRecord(id, "SystemModule", SystemModule.class);
	}

	public List getPreviousSystemModuleRecord(String id) throws LIMSRuntimeException {

		return getPreviousRecord(id, "SystemModule", SystemModule.class);
	}
	
	public Integer getTotalSystemModuleCount() throws LIMSRuntimeException {
		return getTotalCount("SystemModule", SystemModule.class);
	}

    @Override
    public SystemModule getSystemModuleByName( String name ) throws LIMSRuntimeException{
        String sql = "From SystemModule sm where sm.systemModuleName = :name";

        try{
            Query query = HibernateUtil.getSession().createQuery( sql );
            query.setString( "name", name );
            SystemModule module = (SystemModule)query.uniqueResult();
            closeSession();
            return module;
        }catch( HibernateException he ){
            handleException( he, "getSystemModuleByName" );
        }
        return null;
    }

    public List getNextRecord(String id, String table, Class clazz)
			throws LIMSRuntimeException {
		int currentId = Integer.valueOf( id );
		String tablePrefix = getTablePrefix(table);

		List list;
		int rrn;
		try {
    		String sql = "select sm.id from SystemModule sm order by sm.systemModuleName";
 			org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql);
			list = query.list();
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
			rrn = list.indexOf(String.valueOf(currentId));

			list = HibernateUtil.getSession().getNamedQuery(
					tablePrefix + "getNext").setFirstResult(
					rrn + 1).setMaxResults(2).list();

		} catch (Exception e) {
			LogEvent.logError("SystemModuleDAOImpl","getNextRecord()",e.toString());
			throw new LIMSRuntimeException("Error in getNextRecord() for "
					+ table, e);
		}
		
		return list;
	}

	public List getPreviousRecord(String id, String table, Class clazz)
			throws LIMSRuntimeException {
		int currentId = Integer.valueOf( id );
		String tablePrefix = getTablePrefix(table);

		List list;
		int rrn;
		try {
			String sql = "select sm.id from SystemModule sm order by sm.systemModuleName";
 			org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql);
			list = query.list();
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
			rrn = list.indexOf(String.valueOf(currentId));

			list = HibernateUtil.getSession().getNamedQuery(
					tablePrefix + "getPrevious").setFirstResult(
					rrn + 1).setMaxResults(2).list();

		} catch (Exception e) {
			LogEvent.logError("SystemModuleDAOImpl","getPreviousRecord()",e.toString());
			throw new LIMSRuntimeException("Error in getPreviousRecord() for "
					+ table, e);
		}

		return list;
	}
	
	private boolean duplicateSystemModuleExists(SystemModule systemModule) throws LIMSRuntimeException {
		try {

			List list;

			String sql = "from SystemModule s where trim(s.systemModuleName) = :moduleName and s.id != :moduleId";
			Query query = HibernateUtil.getSession().createQuery(sql);
			query.setParameter("moduleName", systemModule.getSystemModuleName().trim());
	
			String systemModuleId = "0";
			if (!StringUtil.isNullorNill(systemModule.getId())) {
				systemModuleId = systemModule.getId();
			}
			query.setInteger("moduleId", Integer.parseInt(systemModuleId));

			list = query.list();
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();

			return list.size() > 0;
		} catch (Exception e) {
			LogEvent.logError("SystemModuleDAOImpl","duplicateSystemModuleExists()",e.toString());
			throw new LIMSRuntimeException("Error in duplicateSystemModuleExists()", e);
		}
	}
}