package org.apache.fulcrum.security.torque.dynamic;
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache 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.apache.org/licenses/LICENSE-2.0
   *
   * 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.
   */
  import java.sql.Connection;
  import java.util.List;
  import java.util.Set;
  
  import org.apache.fulcrum.security.entity.Role;
  import org.apache.fulcrum.security.model.dynamic.entity.DynamicPermission;
  import org.apache.fulcrum.security.torque.om.TorqueDynamicPermissionPeer;
  import org.apache.fulcrum.security.torque.om.TorqueDynamicRolePermission;
  import org.apache.fulcrum.security.torque.om.TorqueDynamicRolePermissionPeer;
  import org.apache.fulcrum.security.torque.security.TorqueAbstractSecurityEntity;
  import org.apache.fulcrum.security.util.DataBackendException;
  import org.apache.fulcrum.security.util.RoleSet;
  import org.apache.torque.TorqueException;
  import org.apache.torque.criteria.Criteria;
  import org.apache.torque.om.SimpleKey;
  /**
   * This abstract class provides the SecurityInterface to the managers.
   *
   * @author <a href="mailto:tv@apache.org">Thomas Vandahl</a>
   * @version $Id:$
   */
  public abstract class TorqueAbstractDynamicPermission extends TorqueAbstractSecurityEntity
      implements DynamicPermission
  {
      /** Serial version */
  	private static final long serialVersionUID = -6857144824327889029L;
  	/** a cache of role objects */
      private Set<Role> roleSet = null;
  
      /**
       * Forward reference to generated code
       *
       * Get a list of association objects, pre-populated with their TorqueDynamicRole
       * objects.
       *
       * @param criteria Criteria to define the selection of records
       * @param con a database connection
       * @throws TorqueException  if any database error occurs
       *
       * @return a list of Role/Permission relations
       */
      protected List<TorqueDynamicRolePermission> getTorqueDynamicRolePermissionsJoinTorqueDynamicRole(Criteria criteria, Connection con)
          throws TorqueException
      {
          criteria.and(TorqueDynamicRolePermissionPeer.PERMISSION_ID, getEntityId() );
          return TorqueDynamicRolePermissionPeer.doSelectJoinTorqueDynamicRole(criteria, con);
      }
  
      /**
       * @see org.apache.fulcrum.security.model.dynamic.entity.DynamicPermission#addRole(org.apache.fulcrum.security.entity.Role)
       */
      public void addRole(Role role)
      {
          getRoles().add(role);
      }
  
      /**
       * @see org.apache.fulcrum.security.model.dynamic.entity.DynamicPermission#getRoles()
       */
      public RoleSet getRoles()
      {
          if (roleSet == null)
          {
              roleSet = new RoleSet();
          }
          else if(!(roleSet instanceof RoleSet))
          {
              roleSet = new RoleSet(roleSet);
          }
  
          return (RoleSet)roleSet;
      }
  
      /**
       * @see org.apache.fulcrum.security.model.dynamic.entity.DynamicPermission#getRolesAsSet()
       */
      @SuppressWarnings("unchecked")
  	public <T extends Role> Set<T> getRolesAsSet()
      {
          return (Set<T>)roleSet;
     }
 
     /**
      * @see org.apache.fulcrum.security.model.dynamic.entity.DynamicPermission#removeRole(org.apache.fulcrum.security.entity.Role)
      */
     public void removeRole(Role role)
     {
         getRoles().remove(role);
     }
 
     /**
      * @see org.apache.fulcrum.security.model.dynamic.entity.DynamicPermission#setRoles(org.apache.fulcrum.security.util.RoleSet)
      */
     public void setRoles(RoleSet roleSet)
     {
         if (roleSet != null)
         {
             this.roleSet = roleSet;
         }
         else
         {
             this.roleSet = new RoleSet();
         }
     }
 
     /**
      * @see org.apache.fulcrum.security.model.dynamic.entity.DynamicPermission#setRolesAsSet(java.util.Set)
      */
     public <T extends Role> void setRolesAsSet(Set<T> roles)
     {
         setRoles(new RoleSet(roles));
     }
 
     /**
      * @return the database name
      */
     public String getDatabaseName()
     {
         return TorqueDynamicPermissionPeer.DATABASE_NAME;
     }
     
     @Override
     public void retrieveAttachedObjects( Connection con )
         throws DataBackendException
     {
         retrieveAttachedObjects( con, false );
     }
 
     /**
      * @see org.apache.fulcrum.security.torque.security.TorqueAbstractSecurityEntity#retrieveAttachedObjects(Connection, Boolean)
      */
     @Override
     public void retrieveAttachedObjects( Connection con, Boolean lazy )
         throws DataBackendException
     {
         this.roleSet = new RoleSet();
 
         try {
             List<TorqueDynamicRolePermission> rolepermissions = getTorqueDynamicRolePermissionsJoinTorqueDynamicRole(new Criteria(), con);
     
             for (TorqueDynamicRolePermission tdrp : rolepermissions)
             {
                 roleSet.add(tdrp.getTorqueDynamicRole());
             }
         } catch (TorqueException e ) {
             throw new DataBackendException( e.getMessage(),e );
         }
     }
 
     /**
      * @see org.apache.fulcrum.security.torque.security.TorqueAbstractSecurityEntity#update(java.sql.Connection)
      */
     public void update(Connection con) throws TorqueException
     {
         if (roleSet != null)
         {
             Criteria criteria = new Criteria();
 
             /* remove old entries */
             criteria.where(TorqueDynamicRolePermissionPeer.PERMISSION_ID, getEntityId());
             TorqueDynamicRolePermissionPeer.doDelete(criteria, con);
 
             for (Role r : roleSet)
             {
                 TorqueDynamicRolePermissionorqueDynamicRolePermission.html#TorqueDynamicRolePermission">TorqueDynamicRolePermission rp = new TorqueDynamicRolePermission();
                 rp.setRoleId((Integer)r.getId());
                 rp.setPermissionId(getEntityId());
                 rp.save(con);
             }
         }
 
         try
         {
             save(con);
         }
         catch (Exception e)
         {
             throw new TorqueException(e);
         }
     }
 
     /**
      * @see org.apache.fulcrum.security.torque.security.TorqueAbstractSecurityEntity#delete()
      */
     public void delete() throws TorqueException
     {
         TorqueDynamicPermissionPeer.doDelete(SimpleKey.keyFor(getEntityId()));
     }
 }