[DS-3003] Ensure all service & DAO implementations have a protected constructor

dspace-api/src/main/java/org/dspace/app/itemexport/ItemExportServiceImpl.java

@@ -85,6 +85,11 @@ public class ItemExportServiceImpl implements ItemExportService
     /** log4j logger */
     private Logger log = Logger.getLogger(ItemExportServiceImpl.class);
 
+    protected ItemExportServiceImpl()
+    {
+
+    }
+
 
     @Override
     public void exportItem(Context c, Iterator<Item> i,

dspace-api/src/main/java/org/dspace/app/mediafilter/MediaFilterServiceImpl.java

@@ -72,6 +72,10 @@ public class MediaFilterServiceImpl implements MediaFilterService, InitializingB
     protected boolean isQuiet = false;
     protected boolean isForce = false; // default to not forced
 
+    protected MediaFilterServiceImpl()
+    {
+
+    }
 
     @Override
     public void afterPropertiesSet() throws Exception {

dspace-api/src/main/java/org/dspace/app/requestitem/RequestItemServiceImpl.java

@@ -33,6 +33,11 @@ public class RequestItemServiceImpl implements RequestItemService {
     @Autowired(required = true)
     protected RequestItemDAO requestItemDAO;
 
+    protected RequestItemServiceImpl()
+    {
+
+    }
+
     @Override
     public String createRequest(Context context, Bitstream bitstream, Item item, boolean allFiles, String reqEmail, String reqName, String reqMessage) throws SQLException {
         RequestItem requestItem = requestItemDAO.create(context, new RequestItem());

dspace-api/src/main/java/org/dspace/app/requestitem/dao/impl/RequestItemDAOImpl.java

@@ -25,6 +25,11 @@ import java.sql.SQLException;
  */
 public class RequestItemDAOImpl extends AbstractHibernateDAO<RequestItem> implements RequestItemDAO
 {
+    protected RequestItemDAOImpl()
+    {
+        super();
+    }
+
     @Override
     public RequestItem findByToken(Context context, String token) throws SQLException {
         Criteria criteria = createCriteria(context, RequestItem.class);

dspace-api/src/main/java/org/dspace/app/util/MetadataExposureServiceImpl.java

@@ -69,6 +69,11 @@ public class MetadataExposureServiceImpl implements MetadataExposureService
     @Autowired(required = true)
     protected AuthorizeService authorizeService;
 
+    protected MetadataExposureServiceImpl()
+    {
+
+    }
+
     @Override
     public boolean isHidden(Context context, String schema, String element, String qualifier)
         throws SQLException

dspace-api/src/main/java/org/dspace/app/util/WebAppServiceImpl.java

@@ -39,6 +39,11 @@ public class WebAppServiceImpl implements WebAppService {
     protected WebAppDAO webAppDAO;
 
 
+    protected WebAppServiceImpl()
+    {
+
+    }
+
     @Override
     public WebApp create(Context context, String appName, String url, Date started, int isUI) throws SQLException {
         WebApp webApp = webAppDAO.create(context, new WebApp());

dspace-api/src/main/java/org/dspace/app/util/dao/impl/WebAppDAOImpl.java

@@ -18,5 +18,10 @@ import org.dspace.core.AbstractHibernateDAO;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class WebAppDAOImpl extends AbstractHibernateDAO<WebApp> implements WebAppDAO{
+public class WebAppDAOImpl extends AbstractHibernateDAO<WebApp> implements WebAppDAO
+{
+    protected WebAppDAOImpl()
+    {
+        super();
+    }
 }

dspace-api/src/main/java/org/dspace/authenticate/AuthenticationServiceImpl.java

@@ -65,6 +65,10 @@ public class AuthenticationServiceImpl implements AuthenticationService, Initial
     @Autowired(required = true)
     protected EPersonService ePersonService;
 
+    protected AuthenticationServiceImpl()
+    {
+
+    }
 
     @Override
     public void afterPropertiesSet() throws Exception {

dspace-api/src/main/java/org/dspace/authority/AuthorityServiceImpl.java

@@ -34,6 +34,11 @@ public class AuthorityServiceImpl implements AuthorityService{
     @Autowired(required = true)
     protected List<AuthorityIndexerInterface> indexers;
 
+    protected AuthorityServiceImpl()
+    {
+
+    }
+
     @Override
     public void indexItem(Context context, Item item) throws SQLException, AuthorizeException {
         if(!isConfigurationValid()){

dspace-api/src/main/java/org/dspace/authority/AuthoritySolrServiceImpl.java

@@ -33,6 +33,10 @@ public class AuthoritySolrServiceImpl implements AuthorityIndexingService, Autho
 
     private static final Logger log = Logger.getLogger(AuthoritySolrServiceImpl.class);
 
+    protected AuthoritySolrServiceImpl()
+    {
+
+    }
 
     /**
      * Non-Static CommonsHttpSolrServer for processing indexing events.

dspace-api/src/main/java/org/dspace/authority/AuthorityValueServiceImpl.java

@@ -35,6 +35,10 @@ public class AuthorityValueServiceImpl implements AuthorityValueService{
     @Autowired(required = true)
     protected AuthorityTypes authorityTypes;
 
+    protected AuthorityValueServiceImpl()
+    {
+
+    }
 
     @Override
     public AuthorityValue generate(Context context, String authorityKey, String content, String field) {

dspace-api/src/main/java/org/dspace/authorize/AuthorizeServiceImpl.java

@@ -61,6 +61,11 @@ public class AuthorizeServiceImpl implements AuthorizeService
     @Autowired(required = true)
     protected WorkflowItemService workflowItemService;
 
+    protected AuthorizeServiceImpl()
+    {
+
+    }
+
     @Override
     public void authorizeAnyOf(Context c, DSpaceObject o, int[] actions)throws AuthorizeException, SQLException
     {

dspace-api/src/main/java/org/dspace/authorize/ResourcePolicyServiceImpl.java

@@ -42,10 +42,7 @@ public class ResourcePolicyServiceImpl implements ResourcePolicyService
     @Autowired(required = true)
     protected ResourcePolicyDAO resourcePolicyDAO;
 
-    /**
+    protected ResourcePolicyServiceImpl()
-     * Construct an ResourcePolicy
-     */
-    public ResourcePolicyServiceImpl()
     {
     }
 

dspace-api/src/main/java/org/dspace/authorize/dao/impl/ResourcePolicyDAOImpl.java

@@ -31,6 +31,11 @@ import java.util.List;
 public class ResourcePolicyDAOImpl extends AbstractHibernateDAO<ResourcePolicy> implements ResourcePolicyDAO
 {
 
+    protected ResourcePolicyDAOImpl()
+    {
+        super();
+    }
+
     @Override
     public List<ResourcePolicy> findByDso(Context context, DSpaceObject dso) throws SQLException {
         Criteria criteria = createCriteria(context, ResourcePolicy.class);

dspace-api/src/main/java/org/dspace/checker/ChecksumHistoryServiceImpl.java

@@ -37,6 +37,11 @@ public class ChecksumHistoryServiceImpl implements ChecksumHistoryService {
     @Autowired(required = true)
     protected ChecksumResultService checksumResultService;
 
+    protected ChecksumHistoryServiceImpl()
+    {
+
+    }
+
     @Override
     public void updateMissingBitstreams(Context context) throws SQLException {
 //                "insert into checksum_history ( "

dspace-api/src/main/java/org/dspace/checker/ChecksumResultServiceImpl.java

@@ -27,6 +27,11 @@ public class ChecksumResultServiceImpl implements ChecksumResultService {
     @Autowired(required = true)
     private ChecksumResultDAO checksumResultDAO;
 
+    protected ChecksumResultServiceImpl()
+    {
+
+    }
+
     /**
      * Get the result description for the given result code
      *

dspace-api/src/main/java/org/dspace/checker/MostRecentChecksumServiceImpl.java

@@ -40,6 +40,11 @@ public class MostRecentChecksumServiceImpl implements MostRecentChecksumService
     @Autowired(required = true)
     protected BitstreamService bitstreamService;
 
+    protected MostRecentChecksumServiceImpl()
+    {
+
+    }
+
     @Override
     public MostRecentChecksum getNonPersistedObject()
     {

dspace-api/src/main/java/org/dspace/checker/dao/impl/ChecksumHistoryDAOImpl.java

@@ -34,6 +34,12 @@ import org.hibernate.Query;
  */
 public class ChecksumHistoryDAOImpl extends AbstractHibernateDAO<ChecksumHistory> implements ChecksumHistoryDAO
 {
+
+    protected ChecksumHistoryDAOImpl()
+    {
+        super();
+    }
+
     @Override
     public int deleteByDateAndCode(Context context, Date retentionDate, ChecksumResultCode resultCode) throws SQLException {
         String hql = "delete from ChecksumHistory where processEndDate < :processEndDate AND checksumResult.resultCode=:resultCode";

dspace-api/src/main/java/org/dspace/checker/dao/impl/ChecksumResultDAOImpl.java

@@ -27,6 +27,11 @@ import java.sql.SQLException;
 public class ChecksumResultDAOImpl extends AbstractHibernateDAO<ChecksumResult> implements ChecksumResultDAO
 {
 
+    protected ChecksumResultDAOImpl()
+    {
+        super();
+    }
+
     @Override
     public ChecksumResult findByCode(Context context, ChecksumResultCode code) throws SQLException {
         Criteria criteria = createCriteria(context, ChecksumResult.class);

dspace-api/src/main/java/org/dspace/checker/dao/impl/MostRecentChecksumDAOImpl.java

@@ -29,7 +29,12 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class MostRecentChecksumDAOImpl extends AbstractHibernateDAO<MostRecentChecksum> implements MostRecentChecksumDAO {
+public class MostRecentChecksumDAOImpl extends AbstractHibernateDAO<MostRecentChecksum> implements MostRecentChecksumDAO
+{
+    protected MostRecentChecksumDAOImpl()
+    {
+        super();
+    }
 
 
     @Override

dspace-api/src/main/java/org/dspace/content/BitstreamFormatServiceImpl.java

@@ -38,6 +38,10 @@ public class BitstreamFormatServiceImpl implements BitstreamFormatService {
     @Autowired(required = true)
     protected AuthorizeService authorizeService;
 
+    protected BitstreamFormatServiceImpl()
+    {
+
+    }
 
     /** translate support-level ID to string.  MUST keep this table in sync
      *  with support level definitions above.

dspace-api/src/main/java/org/dspace/content/BitstreamServiceImpl.java

@@ -59,6 +59,10 @@ public class BitstreamServiceImpl extends DSpaceObjectServiceImpl<Bitstream> imp
     @Autowired(required = true)
     protected BitstreamStorageService bitstreamStorageService;
 
+    protected BitstreamServiceImpl()
+    {
+        super();
+    }
 
     @Override
     public Bitstream find(Context context, UUID id) throws SQLException {

dspace-api/src/main/java/org/dspace/content/BundleServiceImpl.java

@@ -53,6 +53,11 @@ public class BundleServiceImpl extends DSpaceObjectServiceImpl<Bundle> implement
     @Autowired(required = true)
     protected ResourcePolicyService resourcePolicyService;
 
+    protected BundleServiceImpl()
+    {
+        super();
+    }
+
     @Override
     public Bundle find(Context context, UUID id) throws SQLException
     {

dspace-api/src/main/java/org/dspace/content/CollectionServiceImpl.java

@@ -65,6 +65,11 @@ public class CollectionServiceImpl extends DSpaceObjectServiceImpl<Collection> i
     protected WorkspaceItemService workspaceItemService;
 
 
+    protected CollectionServiceImpl()
+    {
+        super();
+    }
+
     @Override
     public Collection create(Context context, Community community) throws SQLException, AuthorizeException {
         return create(context, community, null);

dspace-api/src/main/java/org/dspace/content/CommunityServiceImpl.java

@@ -60,6 +60,12 @@ public class CommunityServiceImpl extends DSpaceObjectServiceImpl<Community> imp
     @Autowired(required = true)
     protected SiteService siteService;
 
+    protected CommunityServiceImpl()
+    {
+        super();
+
+    }
+
     @Override
     public Community create(Community parent, Context context) throws SQLException, AuthorizeException {
         return create(parent, context, null);

dspace-api/src/main/java/org/dspace/content/DSpaceObjectServiceImpl.java

@@ -51,6 +51,10 @@ public abstract class DSpaceObjectServiceImpl<T extends DSpaceObject> implements
     @Autowired(required = true)
     protected MetadataAuthorityService metadataAuthorityService;
 
+    public DSpaceObjectServiceImpl()
+    {
+
+    }
 
     @Override
     public String getName(T dso) {

dspace-api/src/main/java/org/dspace/content/InstallItemServiceImpl.java

@@ -44,6 +44,11 @@ public class InstallItemServiceImpl implements InstallItemService
     @Autowired(required = true)
     protected ItemService itemService;
 
+    protected InstallItemServiceImpl()
+    {
+
+    }
+
     @Override
     public Item installItem(Context c, InProgressSubmission is)
             throws SQLException, AuthorizeException

dspace-api/src/main/java/org/dspace/content/ItemServiceImpl.java

@@ -75,6 +75,11 @@ public class ItemServiceImpl extends DSpaceObjectServiceImpl<Item> implements It
     @Autowired(required = true)
     protected VersioningService versioningService;
 
+    protected ItemServiceImpl()
+    {
+        super();
+    }
+
     @Override
     public Thumbnail getThumbnail(Context context, Item item, boolean requireOriginal) throws SQLException {
         Bitstream thumbBitstream;

dspace-api/src/main/java/org/dspace/content/MetadataFieldServiceImpl.java

@@ -40,6 +40,11 @@ public class MetadataFieldServiceImpl implements MetadataFieldService {
     @Autowired(required = true)
     protected MetadataValueService metadataValueService;
 
+    protected MetadataFieldServiceImpl()
+    {
+
+    }
+
     @Override
     public MetadataField create(Context context, MetadataSchema metadataSchema, String element, String qualifier, String scopeNote) throws AuthorizeException, SQLException, NonUniqueMetadataException {
         // Check authorisation: Only admins may create DC types

dspace-api/src/main/java/org/dspace/content/MetadataSchemaServiceImpl.java

@@ -37,6 +37,11 @@ public class MetadataSchemaServiceImpl implements MetadataSchemaService {
     @Autowired(required = true)
     protected MetadataSchemaDAO metadataSchemaDAO;
 
+    protected MetadataSchemaServiceImpl()
+    {
+
+    }
+
     @Override
     public MetadataSchema create(Context context, String name, String namespace) throws SQLException, AuthorizeException, NonUniqueMetadataException {
                 // Check authorisation: Only admins may create metadata schemas

dspace-api/src/main/java/org/dspace/content/MetadataValueServiceImpl.java

@@ -40,7 +40,7 @@ public class MetadataValueServiceImpl implements MetadataValueService {
     @Autowired(required = true)
     protected ContentServiceFactory contentServiceFactory;
 
-    public MetadataValueServiceImpl() {
+    protected MetadataValueServiceImpl() {
 
     }
 

dspace-api/src/main/java/org/dspace/content/SupervisedItemServiceImpl.java

@@ -22,6 +22,10 @@ public class SupervisedItemServiceImpl implements SupervisedItemService
     @Autowired(required = true)
     protected WorkspaceItemService workspaceItemService;
 
+    protected SupervisedItemServiceImpl()
+    {
+
+    }
 
     @Override
     public List<WorkspaceItem> getAll(Context context)

dspace-api/src/main/java/org/dspace/content/WorkspaceItemServiceImpl.java

@@ -52,6 +52,11 @@ public class WorkspaceItemServiceImpl implements WorkspaceItemService {
     protected WorkflowService workflowService;
 
 
+    protected WorkspaceItemServiceImpl()
+    {
+
+    }
+
     @Override
     public WorkspaceItem find(Context context, int id) throws SQLException {
         WorkspaceItem workspaceItem = workspaceItemDAO.findByID(context, WorkspaceItem.class, id);

dspace-api/src/main/java/org/dspace/content/authority/MetadataAuthorityServiceImpl.java

@@ -74,6 +74,11 @@ public class MetadataAuthorityServiceImpl implements MetadataAuthorityService
     /** fallback default value unless authority.minconfidence = X is configured. */
     protected int defaultMinConfidence = Choices.CF_ACCEPTED;
 
+    protected MetadataAuthorityServiceImpl()
+    {
+
+    }
+
     public void init() {
 
         if(isAuthorityRequired == null)

dspace-api/src/main/java/org/dspace/content/dao/impl/BitstreamDAOImpl.java

@@ -30,7 +30,13 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class BitstreamDAOImpl extends AbstractHibernateDSODAO<Bitstream> implements BitstreamDAO {
+public class BitstreamDAOImpl extends AbstractHibernateDSODAO<Bitstream> implements BitstreamDAO
+{
+
+    protected BitstreamDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public List<Bitstream> findDeletedBitstreams(Context context) throws SQLException {

dspace-api/src/main/java/org/dspace/content/dao/impl/BitstreamFormatDAOImpl.java

@@ -26,7 +26,13 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class BitstreamFormatDAOImpl extends AbstractHibernateDAO<BitstreamFormat> implements BitstreamFormatDAO {
+public class BitstreamFormatDAOImpl extends AbstractHibernateDAO<BitstreamFormat> implements BitstreamFormatDAO
+{
+
+    protected BitstreamFormatDAOImpl()
+    {
+        super();
+    }
 
     /**
      * Find a bitstream format by its (unique) MIME type.

dspace-api/src/main/java/org/dspace/content/dao/impl/BundleDAOImpl.java

@@ -21,7 +21,12 @@ import java.sql.SQLException;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class BundleDAOImpl extends AbstractHibernateDSODAO<Bundle> implements BundleDAO {
+public class BundleDAOImpl extends AbstractHibernateDSODAO<Bundle> implements BundleDAO
+{
+    protected BundleDAOImpl()
+    {
+        super();
+    }
 
 
     @Override

dspace-api/src/main/java/org/dspace/content/dao/impl/CollectionDAOImpl.java

@@ -34,7 +34,12 @@ import java.util.Map;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class CollectionDAOImpl extends AbstractHibernateDSODAO<Collection> implements CollectionDAO {
+public class CollectionDAOImpl extends AbstractHibernateDSODAO<Collection> implements CollectionDAO
+{
+    protected CollectionDAOImpl()
+    {
+        super();
+    }
 
     /**
      * Get all collections in the system. These are alphabetically sorted by

dspace-api/src/main/java/org/dspace/content/dao/impl/CommunityDAOImpl.java

@@ -32,7 +32,12 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class CommunityDAOImpl extends AbstractHibernateDSODAO<Community> implements CommunityDAO {
+public class CommunityDAOImpl extends AbstractHibernateDSODAO<Community> implements CommunityDAO
+{
+    protected CommunityDAOImpl()
+    {
+        super();
+    }
 
     /**
      * Get a list of all communities in the system. These are alphabetically

dspace-api/src/main/java/org/dspace/content/dao/impl/ItemDAOImpl.java

@@ -42,8 +42,15 @@ import java.util.UUID;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class ItemDAOImpl extends AbstractHibernateDSODAO<Item> implements ItemDAO {
+public class ItemDAOImpl extends AbstractHibernateDSODAO<Item> implements ItemDAO
+{
     private static final Logger log = Logger.getLogger(ItemDAOImpl.class);
+
+    protected ItemDAOImpl()
+    {
+        super();
+    }
+
     @Override
     public Iterator<Item> findAll(Context context, boolean archived) throws SQLException {
         Query query = createQuery(context, "FROM Item WHERE inArchive= :in_archive");

dspace-api/src/main/java/org/dspace/content/dao/impl/MetadataFieldDAOImpl.java

@@ -26,7 +26,12 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class MetadataFieldDAOImpl extends AbstractHibernateDAO<MetadataField> implements MetadataFieldDAO {
+public class MetadataFieldDAOImpl extends AbstractHibernateDAO<MetadataField> implements MetadataFieldDAO
+{
+    protected MetadataFieldDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public MetadataField find(Context context, int metadataFieldId, MetadataSchema metadataSchema, String element,

dspace-api/src/main/java/org/dspace/content/dao/impl/MetadataSchemaDAOImpl.java

@@ -25,7 +25,12 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class MetadataSchemaDAOImpl extends AbstractHibernateDAO<MetadataSchema> implements MetadataSchemaDAO {
+public class MetadataSchemaDAOImpl extends AbstractHibernateDAO<MetadataSchema> implements MetadataSchemaDAO
+{
+    protected MetadataSchemaDAOImpl()
+    {
+        super();
+    }
 
     /**
      * Get the schema object corresponding to this namespace URI.

dspace-api/src/main/java/org/dspace/content/dao/impl/MetadataValueDAOImpl.java

@@ -26,7 +26,12 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class MetadataValueDAOImpl extends AbstractHibernateDAO<MetadataValue> implements MetadataValueDAO {
+public class MetadataValueDAOImpl extends AbstractHibernateDAO<MetadataValue> implements MetadataValueDAO
+{
+    protected MetadataValueDAOImpl()
+    {
+        super();
+    }
 
 
     @Override

dspace-api/src/main/java/org/dspace/content/dao/impl/SiteDAOImpl.java

@@ -22,7 +22,12 @@ import java.sql.SQLException;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class SiteDAOImpl extends AbstractHibernateDAO<Site> implements SiteDAO {
+public class SiteDAOImpl extends AbstractHibernateDAO<Site> implements SiteDAO
+{
+    protected SiteDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public Site findSite(Context context) throws SQLException {

dspace-api/src/main/java/org/dspace/content/dao/impl/WorkspaceItemDAOImpl.java

@@ -31,7 +31,12 @@ import java.util.Map;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class WorkspaceItemDAOImpl extends AbstractHibernateDAO<WorkspaceItem> implements WorkspaceItemDAO {
+public class WorkspaceItemDAOImpl extends AbstractHibernateDAO<WorkspaceItem> implements WorkspaceItemDAO
+{
+    protected WorkspaceItemDAOImpl()
+    {
+        super();
+    }
 
 
     @Override

dspace-api/src/main/java/org/dspace/core/AbstractHibernateDAO.java

@@ -25,6 +25,11 @@ import java.util.UUID;
  */
 public abstract class AbstractHibernateDAO<T> implements GenericDAO<T> {
 
+    protected AbstractHibernateDAO()
+    {
+
+    }
+
     @Override
     public T create(Context context, T t) throws SQLException {
         getHibernateSession(context).persist(t);

dspace-api/src/main/java/org/dspace/core/LicenseServiceImpl.java

@@ -35,6 +35,11 @@ public class LicenseServiceImpl implements LicenseService
     /** The default license */
     protected String license;
 
+    protected LicenseServiceImpl()
+    {
+
+    }
+
     @Override
     public void writeLicenseFile(String licenseFile,
             String newLicense)

dspace-api/src/main/java/org/dspace/curate/WorkflowCuratorServiceImpl.java

@@ -98,6 +98,11 @@ public class WorkflowCuratorServiceImpl implements WorkflowCuratorService
         }
     }
 
+    protected WorkflowCuratorServiceImpl()
+    {
+
+    }
+
     @Override
     public boolean needsCuration(BasicWorkflowItem wfi) {
        return getFlowStep(wfi) != null; 

dspace-api/src/main/java/org/dspace/discovery/SolrServiceImpl.java

@@ -123,6 +123,11 @@ public class SolrServiceImpl implements SearchService, IndexingService {
     private HttpSolrServer solr = null;
 
 
+    protected SolrServiceImpl()
+    {
+
+    }
+
     protected HttpSolrServer getSolr()
     {
         if ( solr == null)

dspace-api/src/main/java/org/dspace/embargo/EmbargoServiceImpl.java

@@ -73,6 +73,11 @@ public class EmbargoServiceImpl implements EmbargoService
     @Autowired(required = true)
     protected PluginService pluginService;
 
+    protected EmbargoServiceImpl()
+    {
+
+    }
+
     @Override
     public void setEmbargo(Context context, Item item)
         throws SQLException, AuthorizeException

dspace-api/src/main/java/org/dspace/eperson/AccountServiceImpl.java

@@ -49,6 +49,11 @@ public class AccountServiceImpl implements AccountService
     @Autowired(required = true)
     protected RegistrationDataService registrationDataService;
 
+    protected AccountServiceImpl()
+    {
+
+    }
+
     /**
      * Email registration info to the given email address.
      *

dspace-api/src/main/java/org/dspace/eperson/RegistrationDataServiceImpl.java

@@ -27,6 +27,11 @@ public class RegistrationDataServiceImpl implements RegistrationDataService
     @Autowired(required = true)
     protected RegistrationDataDAO registrationDataDAO;
 
+    protected RegistrationDataServiceImpl()
+    {
+
+    }
+
     @Override
     public RegistrationData create(Context context) throws SQLException, AuthorizeException {
         return registrationDataDAO.create(context, new RegistrationData());

dspace-api/src/main/java/org/dspace/eperson/SubscribeServiceImpl.java

@@ -41,6 +41,11 @@ public class SubscribeServiceImpl implements SubscribeService
     @Autowired(required = true)
     protected CollectionService collectionService;
 
+    protected SubscribeServiceImpl()
+    {
+
+    }
+
     @Override
     public List<Subscription> findAll(Context context) throws SQLException {
         return subscriptionDAO.findAllOrderedByEPerson(context);

dspace-api/src/main/java/org/dspace/eperson/dao/impl/EPersonDAOImpl.java

@@ -31,7 +31,12 @@ import java.util.*;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class EPersonDAOImpl extends AbstractHibernateDSODAO<EPerson> implements EPersonDAO {
+public class EPersonDAOImpl extends AbstractHibernateDSODAO<EPerson> implements EPersonDAO
+{
+    protected EPersonDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public EPerson findByEmail(Context context, String email) throws SQLException

dspace-api/src/main/java/org/dspace/eperson/dao/impl/Group2GroupCacheDAOImpl.java

@@ -27,7 +27,12 @@ import java.util.Set;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class Group2GroupCacheDAOImpl extends AbstractHibernateDAO<Group2GroupCache> implements Group2GroupCacheDAO {
+public class Group2GroupCacheDAOImpl extends AbstractHibernateDAO<Group2GroupCache> implements Group2GroupCacheDAO
+{
+    protected Group2GroupCacheDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public List<Group2GroupCache> findByParent(Context context, Group group) throws SQLException {

dspace-api/src/main/java/org/dspace/eperson/dao/impl/GroupDAOImpl.java

@@ -31,7 +31,12 @@ import java.util.*;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class GroupDAOImpl extends AbstractHibernateDSODAO<Group> implements GroupDAO {
+public class GroupDAOImpl extends AbstractHibernateDSODAO<Group> implements GroupDAO
+{
+    protected GroupDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public Group findByMetadataField(Context context, String searchValue, MetadataField metadataField) throws SQLException

dspace-api/src/main/java/org/dspace/eperson/dao/impl/RegistrationDataDAOImpl.java

@@ -24,7 +24,13 @@ import java.sql.SQLException;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class RegistrationDataDAOImpl extends AbstractHibernateDAO<RegistrationData> implements RegistrationDataDAO {
+public class RegistrationDataDAOImpl extends AbstractHibernateDAO<RegistrationData> implements RegistrationDataDAO
+{
+
+    protected RegistrationDataDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public RegistrationData findByEmail(Context context, String email) throws SQLException {

dspace-api/src/main/java/org/dspace/eperson/dao/impl/SubscriptionDAOImpl.java

@@ -28,7 +28,12 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class SubscriptionDAOImpl extends AbstractHibernateDAO<Subscription> implements SubscriptionDAO {
+public class SubscriptionDAOImpl extends AbstractHibernateDAO<Subscription> implements SubscriptionDAO
+{
+    protected SubscriptionDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public List<Subscription> findByEPerson(Context context, EPerson eperson) throws SQLException {

dspace-api/src/main/java/org/dspace/handle/HandleServiceImpl.java

@@ -51,7 +51,7 @@ public class HandleServiceImpl implements HandleService
     protected SiteService siteService;
 
     /** Public Constructor */
-    public HandleServiceImpl()
+    protected HandleServiceImpl()
     {
     }
 

dspace-api/src/main/java/org/dspace/handle/dao/impl/HandleDAOImpl.java

@@ -26,7 +26,12 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class HandleDAOImpl extends AbstractHibernateDAO<Handle> implements HandleDAO {
+public class HandleDAOImpl extends AbstractHibernateDAO<Handle> implements HandleDAO
+{
+    protected HandleDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public List<Handle> getHandlesByDSpaceObject(Context context, DSpaceObject dso) throws SQLException {

dspace-api/src/main/java/org/dspace/harvest/HarvestSchedulingServiceImpl.java

@@ -34,6 +34,11 @@ public class HarvestSchedulingServiceImpl implements HarvestSchedulingService {
     @Autowired(required = true)
     protected HarvestedCollectionService harvestedCollectionService;
 
+    protected HarvestSchedulingServiceImpl()
+    {
+
+    }
+
     @Override
     public synchronized void startNewScheduler() throws SQLException, AuthorizeException {
         Context c = new Context();

dspace-api/src/main/java/org/dspace/harvest/HarvestedCollectionServiceImpl.java

@@ -31,6 +31,10 @@ public class HarvestedCollectionServiceImpl implements HarvestedCollectionServic
     @Autowired(required = true)
     protected HarvestedCollectionDAO harvestedCollectionDAO;
 
+    protected HarvestedCollectionServiceImpl()
+    {
+    }
+
     @Override
     public HarvestedCollection find(Context context, Collection collection) throws SQLException {
         return harvestedCollectionDAO.findByCollection(context, collection);

dspace-api/src/main/java/org/dspace/harvest/HarvestedItemServiceImpl.java

@@ -28,6 +28,11 @@ public class HarvestedItemServiceImpl implements HarvestedItemService {
     @Autowired(required = true)
     protected HarvestedItemDAO harvestedItemDAO;
 
+    protected HarvestedItemServiceImpl()
+    {
+
+    }
+
     @Override
     public HarvestedItem find(Context context, Item item) throws SQLException {
         return harvestedItemDAO.findByItem(context, item);

dspace-api/src/main/java/org/dspace/harvest/dao/impl/HarvestedCollectionDAOImpl.java

@@ -29,7 +29,12 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class HarvestedCollectionDAOImpl extends AbstractHibernateDAO<HarvestedCollection> implements HarvestedCollectionDAO {
+public class HarvestedCollectionDAOImpl extends AbstractHibernateDAO<HarvestedCollection> implements HarvestedCollectionDAO
+{
+    protected HarvestedCollectionDAOImpl()
+    {
+        super();
+    }
 
 
     @Override

dspace-api/src/main/java/org/dspace/harvest/dao/impl/HarvestedItemDAOImpl.java

@@ -25,7 +25,12 @@ import java.sql.SQLException;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class HarvestedItemDAOImpl extends AbstractHibernateDAO<HarvestedItem> implements HarvestedItemDAO {
+public class HarvestedItemDAOImpl extends AbstractHibernateDAO<HarvestedItem> implements HarvestedItemDAO
+{
+    protected HarvestedItemDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public HarvestedItem findByItem(Context context, Item item) throws SQLException {

dspace-api/src/main/java/org/dspace/identifier/DOIServiceImpl.java

@@ -31,6 +31,11 @@ public class DOIServiceImpl implements DOIService {
     @Autowired(required = true)
     protected DOIDAO doiDAO;
 
+    protected DOIServiceImpl()
+    {
+
+    }
+
     @Override
     public void update(Context context, DOI doi) throws SQLException {
         doiDAO.save(context, doi);

dspace-api/src/main/java/org/dspace/identifier/IdentifierServiceImpl.java

@@ -41,6 +41,11 @@ public class IdentifierServiceImpl implements IdentifierService {
     @Autowired(required = true)
     protected HandleService handleService;
 
+    protected IdentifierServiceImpl()
+    {
+
+    }
+
     @Autowired
    @Required
    public void setProviders(List<IdentifierProvider> providers)

dspace-api/src/main/java/org/dspace/identifier/dao/impl/DOIDAOImpl.java

@@ -27,7 +27,13 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class DOIDAOImpl extends AbstractHibernateDAO<DOI> implements DOIDAO {
+public class DOIDAOImpl extends AbstractHibernateDAO<DOI> implements DOIDAO
+{
+    protected DOIDAOImpl()
+    {
+        super();
+    }
+
     @Override
     public DOI findByDoi(Context context, String doi) throws SQLException {
         Criteria criteria = createCriteria(context, DOI.class);

dspace-api/src/main/java/org/dspace/license/CreativeCommonsServiceImpl.java

@@ -69,6 +69,11 @@ public class CreativeCommonsServiceImpl implements CreativeCommonsService, Initi
     @Autowired(required = true)
     protected ItemService itemService;
 
+    protected CreativeCommonsServiceImpl()
+    {
+
+    }
+
     @Override
     public void afterPropertiesSet() throws Exception
     {

dspace-api/src/main/java/org/dspace/rdf/conversion/RDFConverterImpl.java

@@ -31,7 +31,7 @@ public class RDFConverterImpl implements RDFConverter
     protected List<ConverterPlugin> plugins;
     private static final Logger log = Logger.getLogger(RDFConverterImpl.class);
     
-    public RDFConverterImpl()
+    protected RDFConverterImpl()
     {
         this.configurationService = DSpaceServicesFactory.getInstance().getConfigurationService();
         this.plugins = new ArrayList<ConverterPlugin>();

dspace-api/src/main/java/org/dspace/statistics/SolrLoggerServiceImpl.java

@@ -105,6 +105,11 @@ public class SolrLoggerServiceImpl implements SolrLoggerService, InitializingBea
    	    public String text()   { return text; }
    	}
 
+    protected SolrLoggerServiceImpl()
+    {
+
+    }
+
 
     @Override
     public void afterPropertiesSet() throws Exception

dspace-api/src/main/java/org/dspace/storage/bitstore/BitstreamStorageServiceImpl.java

@@ -75,6 +75,11 @@ public class BitstreamStorageServiceImpl implements BitstreamStorageService, Ini
 	 */
 	protected final String REGISTERED_FLAG = "-R";
 
+    protected BitstreamStorageServiceImpl()
+    {
+
+    }
+
     @Override
     public void afterPropertiesSet() throws Exception {
         for(Map.Entry<Integer, BitStoreService> storeEntry : stores.entrySet()) {

dspace-api/src/main/java/org/dspace/versioning/VersionHistoryServiceImpl.java

@@ -30,6 +30,11 @@ public class VersionHistoryServiceImpl implements VersionHistoryService
     @Autowired(required = true)
     protected VersionHistoryDAO versionHistoryDAO;
 
+    protected VersionHistoryServiceImpl()
+    {
+
+    }
+
     @Override
     public VersionHistory create(Context context) throws SQLException {
         return versionHistoryDAO.create(context, new VersionHistory());

dspace-api/src/main/java/org/dspace/versioning/VersioningServiceImpl.java

@@ -42,6 +42,11 @@ public class VersioningServiceImpl implements VersioningService {
     private DefaultItemVersionProvider provider;
 
 
+    protected VersioningServiceImpl()
+    {
+
+    }
+
     /** Service Methods */
     @Override
     public Version createNewVersion(Context c, Item item){

dspace-api/src/main/java/org/dspace/versioning/dao/impl/VersionDAOImpl.java

@@ -29,6 +29,10 @@ import java.sql.SQLException;
  */
 public class VersionDAOImpl extends AbstractHibernateDAO<Version> implements VersionDAO
 {
+    protected VersionDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public Version findByItem(Context context, Item item) throws SQLException {

dspace-api/src/main/java/org/dspace/versioning/dao/impl/VersionHistoryDAOImpl.java

@@ -27,7 +27,12 @@ import java.sql.SQLException;
  * @author Ben Bosman (ben at atmire dot com)
  * @author kevinvandevelde at atmire.com
  */
-public class VersionHistoryDAOImpl extends AbstractHibernateDAO<VersionHistory> implements VersionHistoryDAO {
+public class VersionHistoryDAOImpl extends AbstractHibernateDAO<VersionHistory> implements VersionHistoryDAO
+{
+    protected VersionHistoryDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public VersionHistory findByItem(Context context, Item item) throws SQLException {

dspace-api/src/main/java/org/dspace/workflowbasic/BasicWorkflowItemServiceImpl.java

@@ -46,6 +46,11 @@ public class BasicWorkflowItemServiceImpl implements BasicWorkflowItemService {
     protected TaskListItemService taskListItemService;
 
 
+    protected BasicWorkflowItemServiceImpl()
+    {
+
+    }
+
     @Override
     public BasicWorkflowItem create(Context context, Item item, Collection collection) throws SQLException, AuthorizeException {
         if(findByItem(context, item) != null){

dspace-api/src/main/java/org/dspace/workflowbasic/BasicWorkflowServiceImpl.java

@@ -61,6 +61,11 @@ public class BasicWorkflowServiceImpl implements BasicWorkflowService
     @Autowired(required = true)
     protected WorkspaceItemService workspaceItemService;
 
+    protected BasicWorkflowServiceImpl()
+    {
+
+    }
+
     /** Symbolic names of workflow steps. */
     protected final String workflowText[] =
     {

dspace-api/src/main/java/org/dspace/workflowbasic/TaskListItemServiceImpl.java

@@ -28,6 +28,11 @@ public class TaskListItemServiceImpl implements TaskListItemService {
     @Autowired(required = true)
     protected TaskListItemDAO taskListItemDAO;
 
+    protected TaskListItemServiceImpl()
+    {
+
+    }
+
     @Override
     public TaskListItem create(Context context, BasicWorkflowItem workflowItem, EPerson ePerson) throws SQLException {
         TaskListItem taskListItem = taskListItemDAO.create(context, new TaskListItem());

dspace-api/src/main/java/org/dspace/workflowbasic/dao/impl/BasicWorkflowItemDAOImpl.java

@@ -29,7 +29,12 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class BasicWorkflowItemDAOImpl extends AbstractHibernateDAO<BasicWorkflowItem> implements BasicWorkflowItemDAO {
+public class BasicWorkflowItemDAOImpl extends AbstractHibernateDAO<BasicWorkflowItem> implements BasicWorkflowItemDAO
+{
+    protected BasicWorkflowItemDAOImpl()
+    {
+        super();
+    }
 
 
     @Override

dspace-api/src/main/java/org/dspace/workflowbasic/dao/impl/TaskListItemDAOImpl.java

@@ -29,6 +29,10 @@ import java.util.List;
  */
 public class TaskListItemDAOImpl extends AbstractHibernateDAO<TaskListItem> implements TaskListItemDAO
 {
+    protected TaskListItemDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public void deleteByWorkflowItem(Context context, BasicWorkflowItem workflowItem) throws SQLException {

dspace-api/src/main/java/org/dspace/xmlworkflow/WorkflowRequirementsServiceImpl.java

@@ -53,6 +53,10 @@ public class WorkflowRequirementsServiceImpl implements WorkflowRequirementsServ
     @Autowired(required = true)
     protected XmlWorkflowService xmlWorkflowService;
 
+    protected WorkflowRequirementsServiceImpl()
+    {
+
+    }
 
     @Override
     public void addClaimedUser(Context context, XmlWorkflowItem wfi, Step step, EPerson user) throws SQLException, AuthorizeException, IOException {

dspace-api/src/main/java/org/dspace/xmlworkflow/XmlWorkflowFactoryImpl.java

@@ -45,6 +45,11 @@ public class XmlWorkflowFactoryImpl implements XmlWorkflowFactory {
     protected String path = ConfigurationManager.getProperty("dspace.dir")+"/config/workflow.xml";
 //    private static String pathActions = ConfigurationManager.getProperty("dspace.dir")+"/config/workflow-actions.xml";
 
+    protected XmlWorkflowFactoryImpl()
+    {
+
+    }
+
     @Override
     public Workflow getWorkflow(Collection collection) throws IOException, WorkflowConfigurationException {
         //Initialize our cache if we have none

dspace-api/src/main/java/org/dspace/xmlworkflow/XmlWorkflowServiceImpl.java

@@ -86,6 +86,10 @@ public class XmlWorkflowServiceImpl implements XmlWorkflowService {
     @Autowired(required = true)
     protected GroupService groupService;
 
+    protected XmlWorkflowServiceImpl()
+    {
+
+    }
 
 
     @Override

dspace-api/src/main/java/org/dspace/xmlworkflow/storedcomponents/ClaimedTaskServiceImpl.java

@@ -31,6 +31,11 @@ public class ClaimedTaskServiceImpl implements ClaimedTaskService
     @Autowired(required = true)
     protected ClaimedTaskDAO claimedTaskDAO;
 
+    protected ClaimedTaskServiceImpl()
+    {
+
+    }
+
     @Override
     public ClaimedTask create(Context context) throws SQLException, AuthorizeException {
         return claimedTaskDAO.create(context, new ClaimedTask());

dspace-api/src/main/java/org/dspace/xmlworkflow/storedcomponents/CollectionRoleServiceImpl.java

@@ -29,6 +29,10 @@ public class CollectionRoleServiceImpl implements CollectionRoleService {
     @Autowired(required = true)
     protected CollectionRoleDAO collectionRoleDAO;
 
+    protected CollectionRoleServiceImpl()
+    {
+
+    }
 
 
     @Override

dspace-api/src/main/java/org/dspace/xmlworkflow/storedcomponents/InProgressUserServiceImpl.java

@@ -29,6 +29,11 @@ public class InProgressUserServiceImpl implements InProgressUserService {
     @Autowired(required = true)
     protected InProgressUserDAO inProgressUserDAO;
 
+    protected InProgressUserServiceImpl()
+    {
+
+    }
+
     @Override
     public InProgressUser findByWorkflowItemAndEPerson(Context context, XmlWorkflowItem workflowItem, EPerson ePerson) throws SQLException {
         return inProgressUserDAO.findByWorkflowItemAndEPerson(context, workflowItem, ePerson);

dspace-api/src/main/java/org/dspace/xmlworkflow/storedcomponents/PoolTaskServiceImpl.java

@@ -40,6 +40,11 @@ public class PoolTaskServiceImpl implements PoolTaskService {
     @Autowired(required = true)
     protected InProgressUserService inProgressUserService;
 
+    protected PoolTaskServiceImpl()
+    {
+
+    }
+
     @Override
     public List<PoolTask> findByEperson(Context context, EPerson ePerson) throws SQLException, AuthorizeException, IOException {
         List<PoolTask> result = poolTaskDAO.findByEPerson(context, ePerson);

dspace-api/src/main/java/org/dspace/xmlworkflow/storedcomponents/WorkflowItemRoleServiceImpl.java

@@ -30,6 +30,11 @@ public class WorkflowItemRoleServiceImpl implements WorkflowItemRoleService {
     @Autowired(required = true)
     private WorkflowItemRoleDAO workflowItemRoleDAO;
 
+    protected WorkflowItemRoleServiceImpl()
+    {
+
+    }
+
     @Override
     public List<WorkflowItemRole> find(Context context, XmlWorkflowItem workflowItem, String role) throws SQLException {
         return workflowItemRoleDAO.findByWorkflowItemAndRole(context, workflowItem, role);

dspace-api/src/main/java/org/dspace/xmlworkflow/storedcomponents/XmlWorkflowItemServiceImpl.java

@@ -55,6 +55,11 @@ public class XmlWorkflowItemServiceImpl implements XmlWorkflowItemService {
     private Logger log = Logger.getLogger(XmlWorkflowItemServiceImpl.class);
 
 
+    protected XmlWorkflowItemServiceImpl()
+    {
+
+    }
+
     @Override
     public XmlWorkflowItem create(Context context, Item item, Collection collection) throws SQLException, AuthorizeException {
         XmlWorkflowItem xmlWorkflowItem = xmlWorkflowItemDAO.create(context, new XmlWorkflowItem());

dspace-api/src/main/java/org/dspace/xmlworkflow/storedcomponents/dao/impl/ClaimedTaskDAOImpl.java

@@ -26,7 +26,12 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class ClaimedTaskDAOImpl extends AbstractHibernateDAO<ClaimedTask> implements ClaimedTaskDAO {
+public class ClaimedTaskDAOImpl extends AbstractHibernateDAO<ClaimedTask> implements ClaimedTaskDAO
+{
+    protected ClaimedTaskDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public List<ClaimedTask> findByWorkflowItem(Context context, XmlWorkflowItem workflowItem) throws SQLException {

dspace-api/src/main/java/org/dspace/xmlworkflow/storedcomponents/dao/impl/CollectionRoleDAOImpl.java

@@ -26,7 +26,12 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class CollectionRoleDAOImpl extends AbstractHibernateDAO<CollectionRole> implements CollectionRoleDAO {
+public class CollectionRoleDAOImpl extends AbstractHibernateDAO<CollectionRole> implements CollectionRoleDAO
+{
+    protected CollectionRoleDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public List<CollectionRole> findByCollection(Context context, Collection collection) throws SQLException {

dspace-api/src/main/java/org/dspace/xmlworkflow/storedcomponents/dao/impl/InProgressUserDAOImpl.java

@@ -26,7 +26,12 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class InProgressUserDAOImpl extends AbstractHibernateDAO<InProgressUser> implements InProgressUserDAO {
+public class InProgressUserDAOImpl extends AbstractHibernateDAO<InProgressUser> implements InProgressUserDAO
+{
+    protected InProgressUserDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public InProgressUser findByWorkflowItemAndEPerson(Context context, XmlWorkflowItem workflowItem, EPerson ePerson) throws SQLException {

dspace-api/src/main/java/org/dspace/xmlworkflow/storedcomponents/dao/impl/PoolTaskDAOImpl.java

@@ -27,7 +27,12 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class PoolTaskDAOImpl extends AbstractHibernateDAO<PoolTask> implements PoolTaskDAO {
+public class PoolTaskDAOImpl extends AbstractHibernateDAO<PoolTask> implements PoolTaskDAO
+{
+    protected PoolTaskDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public List<PoolTask> findByEPerson(Context context, EPerson ePerson) throws SQLException {

dspace-api/src/main/java/org/dspace/xmlworkflow/storedcomponents/dao/impl/WorkflowItemRoleDAOImpl.java

@@ -26,7 +26,12 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class WorkflowItemRoleDAOImpl extends AbstractHibernateDAO<WorkflowItemRole> implements WorkflowItemRoleDAO {
+public class WorkflowItemRoleDAOImpl extends AbstractHibernateDAO<WorkflowItemRole> implements WorkflowItemRoleDAO
+{
+    protected WorkflowItemRoleDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public List<WorkflowItemRole> findByWorkflowItemAndRole(Context context, XmlWorkflowItem workflowItem, String role) throws SQLException {

dspace-api/src/main/java/org/dspace/xmlworkflow/storedcomponents/dao/impl/XmlWorkflowItemDAOImpl.java

@@ -27,7 +27,13 @@ import java.util.List;
  *
  * @author kevinvandevelde at atmire.com
  */
-public class XmlWorkflowItemDAOImpl extends AbstractHibernateDAO<XmlWorkflowItem> implements XmlWorkflowItemDAO {
+public class XmlWorkflowItemDAOImpl extends AbstractHibernateDAO<XmlWorkflowItem> implements XmlWorkflowItemDAO
+{
+
+    protected XmlWorkflowItemDAOImpl()
+    {
+        super();
+    }
 
     @Override
     public List<XmlWorkflowItem> findAllInCollection(Context context, Integer offset, Integer limit, Collection collection) throws SQLException {