3 * Copyright (C) 2007 EDIT
4 * European Distributed Institute of Taxonomy
5 * http://www.e-taxonomy.eu
7 * The contents of this file are subject to the Mozilla Public License Version 1.1
8 * See LICENSE.TXT at the top of this package for the full license terms.
10 package eu
.etaxonomy
.cdm
.api
.service
;
12 import java
.util
.ArrayList
;
13 import java
.util
.Iterator
;
14 import java
.util
.List
;
17 import org
.hibernate
.envers
.query
.criteria
.AuditCriterion
;
18 import org
.springframework
.beans
.factory
.annotation
.Autowired
;
19 import org
.springframework
.transaction
.annotation
.Transactional
;
21 import eu
.etaxonomy
.cdm
.api
.service
.config
.DeleteConfiguratorBase
;
22 import eu
.etaxonomy
.cdm
.api
.service
.exception
.ReferencedObjectUndeletableException
;
23 import eu
.etaxonomy
.cdm
.api
.service
.pager
.Pager
;
24 import eu
.etaxonomy
.cdm
.api
.service
.pager
.impl
.DefaultPagerImpl
;
25 import eu
.etaxonomy
.cdm
.model
.common
.CdmBase
;
26 import eu
.etaxonomy
.cdm
.model
.common
.VersionableEntity
;
27 import eu
.etaxonomy
.cdm
.model
.view
.AuditEvent
;
28 import eu
.etaxonomy
.cdm
.model
.view
.AuditEventRecord
;
29 import eu
.etaxonomy
.cdm
.persistence
.dao
.common
.AuditEventSort
;
30 import eu
.etaxonomy
.cdm
.persistence
.dao
.common
.IVersionableDao
;
32 public abstract class VersionableServiceBase
<T
extends VersionableEntity
, DAO
extends IVersionableDao
<T
>> extends ServiceBase
<T
,DAO
> implements IVersionableService
<T
> {
34 protected ICommonService commonService
;
36 @Transactional(readOnly
= true)
37 public Pager
<AuditEventRecord
<T
>> pageAuditEvents(T t
, Integer pageSize
, Integer pageNumber
, AuditEventSort sort
, List
<String
> propertyPaths
) {
38 Integer numberOfResults
= dao
.countAuditEvents(t
, sort
);
40 List
<AuditEventRecord
<T
>> results
= new ArrayList
<AuditEventRecord
<T
>>();
41 if(numberOfResults
> 0) { // no point checking again //TODO use AbstractPagerImpl.hasResultsInRange(numberOfResults, pageNumber, pageSize)
42 results
= dao
.getAuditEvents(t
, pageSize
, pageNumber
, sort
,propertyPaths
);
45 return new DefaultPagerImpl
<AuditEventRecord
<T
>>(pageNumber
, numberOfResults
, pageSize
, results
);
49 @Transactional(readOnly
= true)
50 public AuditEventRecord
<T
> getNextAuditEvent(T t
) {
51 return dao
.getNextAuditEvent(t
);
55 @Transactional(readOnly
= true)
56 public AuditEventRecord
<T
> getPreviousAuditEvent(T t
) {
57 return dao
.getPreviousAuditEvent(t
);
61 @Transactional(readOnly
= true)
62 public Pager
<AuditEventRecord
<T
>> pageAuditEvents(Class
<?
extends T
> clazz
,AuditEvent from
,AuditEvent to
, List
<AuditCriterion
> criteria
, Integer pageSize
, Integer pageNumber
, AuditEventSort sort
,List
<String
> propertyPaths
) {
63 Integer numberOfResults
= dao
.countAuditEvents(clazz
, from
, to
, criteria
);
65 List
<AuditEventRecord
<T
>> results
= new ArrayList
<AuditEventRecord
<T
>>();
66 if(numberOfResults
> 0) { // no point checking again //TODO use AbstractPagerImpl.hasResultsInRange(numberOfResults, pageNumber, pageSize)
67 results
= dao
.getAuditEvents(clazz
,from
,to
,criteria
, pageSize
, pageNumber
, sort
,propertyPaths
);
70 return new DefaultPagerImpl
<AuditEventRecord
<T
>>(pageNumber
, numberOfResults
, pageSize
, results
);
74 * the basic isDeletable method return false if the object is referenced from any other object.
78 public DeleteResult
isDeletable(T base
, DeleteConfiguratorBase config
){
79 DeleteResult result
= new DeleteResult();
80 Set
<CdmBase
> references
= commonService
.getReferencingObjectsForDeletion(base
);
81 if (references
!= null){
82 result
.addRelatedObjects(references
);
83 Iterator
<CdmBase
> iterator
= references
.iterator();
85 while (iterator
.hasNext()){
86 ref
= iterator
.next();
87 String message
= "An object of " + ref
.getClass().getName() + " with ID " + ref
.getId() + " is referencing the object" ;
88 result
.addException(new ReferencedObjectUndeletableException(message
));