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1   /*
2    * Copyright 2007 The International Moth Class Association (IMCA)
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package net.sf.imca.model.entities;
17  
18  import java.util.Date;
19  import java.util.List;
20  import javax.persistence.EntityManager;
21  import javax.persistence.Query;
22  
23  import net.sf.imca.model.MembershipTypeBO;
24  
25  public class MembershipDAO {
26  
27      @SuppressWarnings("unchecked")
28      public List<MembershipEntity> findActiveMembersOnDate(EntityManager em, Date date) {
29  
30          Query query = em.createNamedQuery("findActiveMembersOnDate");
31          query.setParameter("date", date);
32          List<MembershipEntity> list = query.getResultList();
33      
34          return list;
35  
36      }
37  
38      public boolean getHasLinkedMemberships(EntityManager em,
39              MembershipTypeEntity membershipType) {
40          
41          Query query = em.createNamedQuery("findMembersForMembershipType");
42          query.setParameter("membershipType", membershipType);
43          List<MembershipEntity> list = query.getResultList();
44          
45          return (list.size() > 0);
46      }
47  
48  }