/*

 Copyright 2010 James Pether Sörling Licensed 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. 

         $Id

 */

 package org.directdemocracyportal.democracy.model.core;

 import java.util.HashSet;

 import java.util.Set;

 import javax.persistence.CascadeType;

 import javax.persistence.Entity;

 import javax.persistence.FetchType;

 import javax.persistence.JoinColumn;

 import javax.persistence.ManyToOne;

 import javax.persistence.OneToMany;

 import javax.persistence.Transient;

 import org.hibernate.annotations.Cache;

 import org.hibernate.annotations.CacheConcurrencyStrategy;

 /**

  * The Class GroupAgent.

  */

 @Entity

 @Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)

 public abstract class GroupAgent extends Agent

 {

     /** The parent. */

     private GroupAgent parent;

     /** The children. */

     private Set<GroupAgent> children = new HashSet<GroupAgent>();

     /** The defined roles. */

     private Set<Role> definedRoles = new HashSet<Role>();

     /**

      * Instantiates a new group agent.

      */

     public GroupAgent() {

     }

     /**

      * Instantiates a new group agent.

      *

      * @param name the name

      */

     public GroupAgent(String name) {

         super(name);

     }

     /**

      * Gets the parent.

      *

      * @return the parent

      */

     @ManyToOne

     @JoinColumn(name = "PARENT_ID")

     public GroupAgent getParent() {

         return parent;

     }

     /**

      * Sets the parent.

      *

      * @param parent the new parent

      */

     public void setParent(GroupAgent parent) {

         this.parent = parent;

     }

     /**

      * Gets the children.

      *

      * @return the children

      */

     @OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, fetch = FetchType.LAZY)

     public Set<GroupAgent> getChildren() {

         return children;

     }

     /**

      * Sets the children.

      *

      * @param children the new children

      */

     public void setChildren(Set<GroupAgent> children) {

         this.children = children;

     }

     /**

      * Gets the defined roles.

      *

      * @return the defined roles

      */

     @OneToMany(mappedBy = "groupAgent", cascade = CascadeType.ALL, fetch = FetchType.LAZY)

     public Set<Role> getDefinedRoles() {

         return this.definedRoles;

     }

     /**

      * Sets the defined roles.

      *

      * @param definedRoles the new defined roles

      */

     public void setDefinedRoles(Set<Role> definedRoles) {

         this.definedRoles = definedRoles;

     }

     /**

      * Find org by name.

      *

      * @param name the name

      * @return the group agent

      */

     @Transient

     public GroupAgent findOrgByName(String name) {

         for (GroupAgent organisation : getChildren()) {

             if (name.equals(organisation.getName())) {

                 return organisation;

             }

         }

         return null;

     }

     /**

      * Find defined role by name.

      *

      * @param name the name

      * @return the role

      */

     @Transient

     public Role findDefinedRoleByName(String name) {

         for (Role role : getDefinedRoles()) {

             if (name.equals(role.getName())) {

                 return role;

             }

         }

         return null;

     }

 }