/*

 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.world;

 import java.util.HashSet;

 import java.util.Set;

 import javax.persistence.CascadeType;

 import javax.persistence.Entity;

 import javax.persistence.FetchType;

 import javax.persistence.OneToMany;

 import javax.persistence.Transient;

 import org.directdemocracyportal.democracy.model.core.Role;

 import org.hibernate.annotations.Cache;

 import org.hibernate.annotations.CacheConcurrencyStrategy;

 /**

  * The Class Government.

  */

 @Entity

 @Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)

 public class Government extends Organisation

 {

     /**

      * The Enum GovernmentRoles.

      */

     public enum GovernmentRoles {

         /** The Head_of_ state. */

         Head_of_State

     };

     /** The Constant serialVersionUID. */

     private static final long serialVersionUID = -946981671229247412L;

     /** The Government type. */

     private GovernmentType GovernmentType;

     /** The elections. */

     private Set<Election> elections = new HashSet<Election>();

     /**

      * Instantiates a new government.

      */

     public Government() {

     }

     /**

      * Gets the government type.

      *

      * @return the government type

      */

     public GovernmentType getGovernmentType() {

         return GovernmentType;

     }

     /**

      * Sets the government type.

      *

      * @param GovernmentType the new government type

      */

     public void setGovernmentType(GovernmentType GovernmentType) {

         this.GovernmentType = GovernmentType;

     }

     /**

      * Gets the elections.

      *

      * @return the elections

      */

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

     public Set<Election> getElections() {

         return elections;

     }

     /**

      * Sets the elections.

      *

      * @param elections the new elections

      */

     public void setElections(Set<Election> elections) {

         this.elections = elections;

     }

     /**

      * Gets the headof state.

      *

      * @return the headof state

      */

     @Transient

     public Person getHeadofState() {

         for (Role role : getDefinedRoles()) {

             if (role.getName().equals(GovernmentRoles.Head_of_State.toString())) {

                 return (Person) role.getPlayers().iterator().next();

             }

         }

         return null;

     }

 }