RoleDAOImpl.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.
*
* Contributor(s): CIRG, University of Washington, Seattle WA.
*/
package us.mn.state.health.lims.role.daoimpl;

import java.util.ArrayList;
import java.util.List;

import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.validator.GenericValidator;
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.LIMSRuntimeException;
import us.mn.state.health.lims.common.log.LogEvent;
import us.mn.state.health.lims.common.util.SystemConfiguration;
import us.mn.state.health.lims.hibernate.HibernateUtil;
import us.mn.state.health.lims.role.dao.RoleDAO;
import us.mn.state.health.lims.role.valueholder.Role;

public class RoleDAOImpl extends BaseDAOImpl implements RoleDAO {

	public void deleteData(List<Role> roles) throws LIMSRuntimeException {
		//add to audit trail
		try {
			AuditTrailDAO auditDAO = new AuditTrailDAOImpl();

			for( Role data: roles){


				Role oldData = readRole(data.getId());
				Role newData = new Role();

				String sysUserId = data.getSysUserId();
				String event = IActionConstants.AUDIT_TRAIL_DELETE;
				String tableName = "SYSTEM_ROLE";
				auditDAO.saveHistory(newData,oldData,sysUserId,event,tableName);
			}
		}  catch (Exception e) {
			LogEvent.logError("RolesDAOImpl","AuditTrail deleteData()",e.toString());
			throw new LIMSRuntimeException("Error in Role AuditTrail deleteData()", e);
		}

		try {
			for (Role data: roles) {
				data = (Role)readRole(data.getId());
				HibernateUtil.getSession().delete(data);
				HibernateUtil.getSession().flush();
				HibernateUtil.getSession().clear();
			}
		} catch (Exception e) {
			LogEvent.logError("RolesDAOImpl","deleteData()",e.toString());
			throw new LIMSRuntimeException("Error in Role deleteData()",e);
		}
	}

	public boolean insertData(Role role) throws LIMSRuntimeException {

		try {
			String id = (String)HibernateUtil.getSession().save(role);
			role.setId(id);

			AuditTrailDAO auditDAO = new AuditTrailDAOImpl();
			String sysUserId = role.getSysUserId();
			String tableName = "SYSTEM_ROLE";
			auditDAO.saveNewHistory(role,sysUserId,tableName);

			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();

		} catch (Exception e) {
			LogEvent.logError("RoleDAOImpl","insertData()",e.toString());
			throw new LIMSRuntimeException("Error in Role insertData()",e);
		}

		return true;
	}

	public void updateData(Role role) throws LIMSRuntimeException {

		Role oldData = readRole(role.getId());
		Role newData = role;

		try {
			AuditTrailDAO auditDAO = new AuditTrailDAOImpl();
			String sysUserId = role.getSysUserId();
			String event = IActionConstants.AUDIT_TRAIL_UPDATE;
			String tableName = "SYSTEM_ROLE";
			auditDAO.saveHistory(newData,oldData,sysUserId,event,tableName);
		}  catch (Exception e) {
			LogEvent.logError("RolesDAOImpl","AuditTrail updateData()",e.toString());
			throw new LIMSRuntimeException("Error in Role AuditTrail updateData()", e);
		}

		try {
			HibernateUtil.getSession().merge(role);
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
			HibernateUtil.getSession().evict(role);
			HibernateUtil.getSession().refresh(role);
		} catch (Exception e) {
			LogEvent.logError("RolesDAOImpl","updateData()",e.toString());
			throw new LIMSRuntimeException("Error in Role updateData()",e);
		}
	}

	public void getData(Role role) throws LIMSRuntimeException {
		try {
			Role tmpRole = (Role)HibernateUtil.getSession().get(Role.class, role.getId());
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
			if (tmpRole != null) {
				PropertyUtils.copyProperties(role, tmpRole);
			} else {
				role.setId(null);
			}
		} catch (Exception e) {
			LogEvent.logError("RolesDAOImpl","getData()",e.toString());
			throw new LIMSRuntimeException("Error in Role getData()", e);
		}
	}

	@SuppressWarnings("unchecked")
	public List<Role> getAllRoles() throws LIMSRuntimeException {
		List<Role> list = null;
		try {
			String sql = "from Role";
			Query query = HibernateUtil.getSession().createQuery(sql);
			list = query.list();
			closeSession();
		} catch (HibernateException e) {
			handleException(e, "getAllRoles");
		}

		return list;
	}

	@SuppressWarnings("unchecked")
	public List<Role> getAllActiveRoles() throws LIMSRuntimeException {
		List<Role> list = null;
		try {
			String sql = "from Role r where r.active = true";
			Query query = HibernateUtil.getSession().createQuery(sql);
			list = query.list();
			closeSession();
		} catch (HibernateException e) {
			handleException(e, "getAllActiveRoles");
		}

		return list;
	}

	@SuppressWarnings("unchecked")
	public List<Role> getPageOfRoles(int startingRecNo) throws LIMSRuntimeException {
		List<Role> list = null;
		try {
			// calculate maxRow to be one more than the page size
			int endingRecNo = startingRecNo + (SystemConfiguration.getInstance().getDefaultPageSize() + 1);

			String sql = "from Role r order by r.id";
			org.hibernate.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("RolesDAOImpl","getPageOfRoles()",e.toString());
			throw new LIMSRuntimeException("Error in Role getPageOfRoles()", e);
		}

		return list;
	}

	public Role readRole(String idString) {
		Role recoveredRole = null;
		try {
			recoveredRole = (Role)HibernateUtil.getSession().get(Role.class, idString);
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
		} catch (Exception e) {
			LogEvent.logError("RoleDAOImpl","readRole()",e.toString());
			throw new LIMSRuntimeException("Error in Role readRole()", e);
		}

		return recoveredRole;
	}


	@SuppressWarnings("rawtypes")
	public List getNextRoleRecord(String id) throws LIMSRuntimeException {
		return getNextRecord(id, "Role", Role.class);
	}

	@SuppressWarnings( "rawtypes")
	public List getPreviousRoleRecord(String id) throws LIMSRuntimeException {
		return getPreviousRecord(id, "Role", Role.class);
	}

	@SuppressWarnings("unchecked")
	public List<Role> getReferencingRoles(Role role) throws LIMSRuntimeException {
		if( GenericValidator.isBlankOrNull(role.getId())){
			return new ArrayList<Role>();
		}

		List<Role> list = null;
		try {
			String sql = "from Role where grouping_parent = :parent";
			org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql);
			query.setInteger("parent", Integer.parseInt(role.getId()));

			list = query.list();
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
		} catch (Exception e) {
			LogEvent.logError("RolesDAOImpl","getReferencingRoles()",e.toString());
			throw new LIMSRuntimeException("Error in Role getReferencingRoles()", e);
		}

		return list;
	}

	public Role getRoleByName(String name) throws LIMSRuntimeException {
		String sql = "from Role r where trim(r.name) = :name";

		try {
			Query query = HibernateUtil.getSession().createQuery(sql);
			query.setString("name", name);
			Role role = (Role) query.setMaxResults(1).uniqueResult();
			closeSession();
			return role;
		} catch (HibernateException e) {
			handleException(e, "getRoleByName");
		}
		return null;
	}

	@Override
	public Role getRoleById(String roleId) throws LIMSRuntimeException {
		String sql = "from Role r where r.id = :id";

		try {
			Query query = HibernateUtil.getSession().createQuery(sql);
			query.setInteger("id", Integer.parseInt(roleId));
			Role role = (Role) query.uniqueResult();
			closeSession();
			return role;
		} catch (HibernateException e) {
			handleException(e, "getRoleById");
		}
		return null;
	}

}