ItemServiceImpl (DSpace Kernel :: API and Implementation 6.0-rc1 API)

java.lang.Object
- org.dspace.content.DSpaceObjectServiceImpl<Item>
- - org.dspace.content.ItemServiceImpl

All Implemented Interfaces:

DSpaceObjectLegacySupportService<Item>, DSpaceObjectService<Item>, ItemService
```
public class ItemServiceImpl
extends DSpaceObjectServiceImpl<Item>
implements ItemService
```
Service implementation for the Item object. This class is responsible for all business logic calls for the Item object and is autowired by spring. This class should never be accessed directly.

Author:

kevinvandevelde at atmire.com

Field Summary

Fields
Modifier and Type	Field and Description
`protected AuthorizeService`	`authorizeService`
`protected BitstreamFormatService`	`bitstreamFormatService`
`protected BitstreamService`	`bitstreamService`
`protected BundleService`	`bundleService`
`protected CollectionService`	`collectionService`
`protected CommunityService`	`communityService`
`protected IdentifierService`	`identifierService`
`protected InstallItemService`	`installItemService`
`protected ItemDAO`	`itemDAO`
`protected MetadataSchemaService`	`metadataSchemaService`
`protected ResourcePolicyService`	`resourcePolicyService`
`protected VersioningService`	`versioningService`

Fields inherited from class org.dspace.content.DSpaceObjectServiceImpl
choiceAuthorityService, handleService, metadataAuthorityService, metadataFieldService, metadataValueService

Constructor Summary

Constructors
Modifier Constructor and Description

protected ItemServiceImpl()

Constructors
Modifier	Constructor and Description
`protected`	`ItemServiceImpl()`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`addBundle(Context context, Item item, Bundle bundle)` Add an existing bundle to this item.
`void`	`adjustBundleBitstreamPolicies(Context context, Item item, Collection collection)`
`void`	`adjustItemPolicies(Context context, Item item, Collection collection)`
`boolean`	`canEdit(Context context, Item item)` return TRUE if context's user can edit item, false otherwise
`int`	`countItems(Context context, Collection collection)` counts items in the given collection
`int`	`countItems(Context context, Community community)` counts items in the given community
`int`	`countNotArchivedItems(Context context)`
`int`	`countTotal(Context context)`
`int`	`countWithdrawnItems(Context context)`
`Item`	`create(Context context, WorkspaceItem workspaceItem)` Create a new item, with a new internal ID.
`protected Item`	`createItem(Context context)`
`Bitstream`	`createSingleBitstream(Context context, InputStream is, Item item)` Convenience method, calls createSingleBitstream() with name "ORIGINAL"
`Bitstream`	`createSingleBitstream(Context context, InputStream is, Item item, String name)` Create a single bitstream in a new bundle.
`Item`	`createTemplateItem(Context context, Collection collection)` Create an empty template item for this collection.
`void`	`delete(Context context, Item item)`
`protected void`	`deleteBundle(Context context, Item item, Bundle b)`
`protected List<ResourcePolicy>`	`filterPoliciesToAdd(Context context, List<ResourcePolicy> defaultCollectionPolicies, DSpaceObject dso)`
`Item`	`find(Context context, UUID id)` Generic find for when the precise type of a DSO is not known, just the a pair of type number and database ID.
`Iterator<Item>`	`findAll(Context context)` Get all the items in the archive.
`Iterator<Item>`	`findAllByCollection(Context context, Collection collection)` Get all the items in this collection.
`Iterator<Item>`	`findAllUnfiltered(Context context)` Get all "final" items in the archive, both archived ("in archive" flag) or withdrawn items are included.
`Iterator<Item>`	`findByAuthorityValue(Context context, String schema, String element, String qualifier, String value)` Find all the items in the archive with a given authority key value in the indicated metadata field.
`Iterator<Item>`	`findByCollection(Context context, Collection collection)` Get all the items in this collection.
`Iterator<Item>`	`findByCollection(Context context, Collection collection, Integer limit, Integer offset)` Get all the items in this collection.
`Item`	`findByIdOrLegacyId(Context context, String id)`
`Iterator<Item>`	`findByLastModifiedSince(Context context, Date last)` Find all Items modified since a Date.
`Item`	`findByLegacyId(Context context, int id)` Generic find for when the precise type of a DSO is not known, just the a pair of type number and database ID.
`Iterator<Item>`	`findByMetadataField(Context context, String schema, String element, String qualifier, String value)` Returns an iterator of Items possessing the passed metadata field, or only those matching the passed value, if value is not Item.ANY
`Iterator<Item>`	`findByMetadataFieldAuthority(Context context, String mdString, String authority)`
`Iterator<Item>`	`findByMetadataQuery(Context context, List<List<MetadataField>> listFieldList, List<String> query_op, List<String> query_val, List<UUID> collectionUuids, String regexClause, int offset, int limit)`
`Iterator<Item>`	`findBySubmitter(Context context, EPerson eperson)` Find all the items in the archive by a given submitter.
`Iterator<Item>`	`findBySubmitterDateSorted(Context context, EPerson eperson, Integer limit)` Retrieve the list of Items submitted by eperson, ordered by recently submitted, optionally limitable
`Iterator<Item>`	`findInArchiveOrWithdrawnDiscoverableModifiedSince(Context context, Date since)` Get all Items installed or withdrawn, discoverable, and modified since a Date.
`DSpaceObject`	`getAdminObject(Context context, Item item, int action)` Return the dspace object where an ADMIN action right is sufficient to grant the initial authorize check.
`protected void`	`getAuthoritiesAndConfidences(String fieldKey, Collection collection, List<String> values, List<String> authorities, List<Integer> confidences, int i)`
`List<Bundle>`	`getBundles(Item item, String name)` Get the bundles matching a bundle name (name corresponds roughly to type)
`List<Collection>`	`getCollectionsNotLinked(Context context, Item item)` Get the collections this item is not in.
`List<Community>`	`getCommunities(Context context, Item item)` Get the communities this item is in.
`List<Bitstream>`	`getNonInternalBitstreams(Context context, Item item)` Get all non-internal bitstreams in the item.
`DSpaceObject`	`getParentObject(Context context, Item item)` Return the dspace object that "own" the current object in the hierarchy.
`int`	`getSupportsTypeConstant()` Returns the Constants which this service supports
`Thumbnail`	`getThumbnail(Context context, Item item, boolean requireOriginal)`
`boolean`	`hasUploadedFiles(Item item)` Check the bundle ORIGINAL to see if there are any uploaded files
`void`	`inheritCollectionDefaultPolicies(Context context, Item item, Collection collection)` remove all policies on an item and its contents, and replace them with the DEFAULT_ITEM_READ and DEFAULT_BITSTREAM_READ policies belonging to the collection.
`boolean`	`isIn(Item item, Collection collection)` See whether this Item is contained by a given Collection.
`boolean`	`isItemListedForUser(Context context, Item item)` Service method for knowing if this Item should be visible in the item list.
`boolean`	`isOwningCollection(Item item, Collection collection)` Return true if this Collection 'owns' this item
`void`	`move(Context context, Item item, Collection from, Collection to)` Moves the item from one collection to another one
`void`	`move(Context context, Item item, Collection from, Collection to, boolean inheritDefaultPolicies)` Moves the item from one collection to another one
`protected void`	`rawDelete(Context context, Item item)`
`void`	`reinstate(Context context, Item item)` Reinstate a withdrawn item
`void`	`removeAllBundles(Context context, Item item)` Remove all bundles linked to this item.
`void`	`removeBundle(Context context, Item item, Bundle bundle)` Remove a bundle.
`void`	`removeDSpaceLicense(Context context, Item item)` Remove just the DSpace license from an item This is useful to update the current DSpace license, in case the user must accept the DSpace license again (either the item was rejected, or resumed after saving)
`void`	`removeGroupPolicies(Context context, Item item, Group group)` remove all of the policies for item's bitstreams and bundles that belong to a given Group
`void`	`removeLicenses(Context context, Item item)` Remove all licenses from an item - it was rejected
`protected void`	`removeVersion(Context context, Item item)`
`void`	`replaceAllBitstreamPolicies(Context context, Item item, List<ResourcePolicy> newpolicies)` remove all of the policies for item's bitstreams and bundles and replace them with a new list of policies
`void`	`replaceAllItemPolicies(Context context, Item item, List<ResourcePolicy> newpolicies)` remove all of the policies for item and replace them with a new list of policies
`void`	`update(Context context, Item item)`
`void`	`updateLastModified(Context context, Item item)`
`void`	`withdraw(Context context, Item item)` Withdraw the item from the archive.

Methods inherited from class org.dspace.content.DSpaceObjectServiceImpl
addMetadata, addMetadata, addMetadata, addMetadata, addMetadata, addMetadata, addMetadata, clearMetadata, deleteMetadata, getElements, getElementsFilled, getIdentifiers, getMDValueByField, getMDValueByLegacyField, getMetadata, getMetadata, getMetadata, getMetadata, getMetadataByMetadataString, getMetadataFirstValue, getMetadataValuePlace, getName, getTypeText, match, removeMetadataValues, setMetadataSingleValue

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.dspace.content.service.DSpaceObjectService
addMetadata, addMetadata, addMetadata, addMetadata, addMetadata, addMetadata, addMetadata, clearMetadata, getIdentifiers, getMetadata, getMetadata, getMetadata, getMetadata, getMetadataByMetadataString, getMetadataFirstValue, getName, getTypeText, removeMetadataValues, setMetadataSingleValue

Field Detail

itemDAO

@Autowired(required=true)
protected ItemDAO itemDAO

communityService

@Autowired(required=true)
protected CommunityService communityService

authorizeService

@Autowired(required=true)
protected AuthorizeService authorizeService

bundleService

@Autowired(required=true)
protected BundleService bundleService

bitstreamFormatService

@Autowired(required=true)
protected BitstreamFormatService bitstreamFormatService

metadataSchemaService

@Autowired(required=true)
protected MetadataSchemaService metadataSchemaService

bitstreamService

@Autowired(required=true)
protected BitstreamService bitstreamService

installItemService

@Autowired(required=true)
protected InstallItemService installItemService

resourcePolicyService

@Autowired(required=true)
protected ResourcePolicyService resourcePolicyService

collectionService

@Autowired(required=true)
protected CollectionService collectionService

identifierService

@Autowired(required=true)
protected IdentifierService identifierService

versioningService

@Autowired(required=true)
protected VersioningService versioningService

Constructor Detail
- ItemServiceImpl
```
protected ItemServiceImpl()
```

Method Detail
- getThumbnail
```
public Thumbnail getThumbnail(Context context,
                     Item item,
                     boolean requireOriginal)
                       throws SQLException
```
  Specified by:
  
  getThumbnail in interface ItemService
  
  Throws:
  
  SQLException
- find
```
public Item find(Context context,
        UUID id)
          throws SQLException
```
  Description copied from interface: DSpaceObjectService
  
  Generic find for when the precise type of a DSO is not known, just the a pair of type number and database ID.
  
  Specified by:
  
  find in interface DSpaceObjectService<Item>
  
  Parameters:
  context - - the context
  id - - id within table of type'd objects
  
  Returns:
  the object found, or null if it does not exist.
  
  Throws:
  
  SQLException - only upon failure accessing the database.
- create
```
public Item create(Context context,
          WorkspaceItem workspaceItem)
            throws SQLException,
                   AuthorizeException
```
  Description copied from interface: ItemService
  
  Create a new item, with a new internal ID. This method is not public, since items need to be created as workspace items. Authorisation is the responsibility of the caller.
  
  Specified by:
  
  create in interface ItemService
  
  Parameters:
  context - DSpace context object
  
  Returns:
  the newly created item
  
  Throws:
  
  SQLException
  
  AuthorizeException
- createTemplateItem
```
public Item createTemplateItem(Context context,
                      Collection collection)
                        throws SQLException,
                               AuthorizeException
```
  Description copied from interface: ItemService
  
  Create an empty template item for this collection. If one already exists, no action is taken. Caution: Make sure you call update on the collection after doing this, or the item will have been created but the collection record will not refer to it.
  
  Specified by:
  
  createTemplateItem in interface ItemService
  
  Throws:
  
  SQLException
  
  AuthorizeException
- findAll
```
public Iterator<Item> findAll(Context context)
                       throws SQLException
```
  Description copied from interface: ItemService
  
  Get all the items in the archive. Only items with the "in archive" flag set are included. The order of the list is indeterminate.
  
  Specified by:
  
  findAll in interface ItemService
  
  Parameters:
  context - DSpace context object
  
  Returns:
  an iterator over the items in the archive.
  
  Throws:
  
  SQLException
- findAllUnfiltered
```
public Iterator<Item> findAllUnfiltered(Context context)
                                 throws SQLException
```
  Description copied from interface: ItemService
  
  Get all "final" items in the archive, both archived ("in archive" flag) or withdrawn items are included. The order of the list is indeterminate.
  
  Specified by:
  
  findAllUnfiltered in interface ItemService
  
  Parameters:
  context - DSpace context object
  
  Returns:
  an iterator over the items in the archive.
  
  Throws:
  
  SQLException
- findBySubmitter
```
public Iterator<Item> findBySubmitter(Context context,
                             EPerson eperson)
                               throws SQLException
```
  Description copied from interface: ItemService
  
  Find all the items in the archive by a given submitter. The order is indeterminate. Only items with the "in archive" flag set are included.
  
  Specified by:
  
  findBySubmitter in interface ItemService
  
  Parameters:
  context - DSpace context object
  eperson - the submitter
  
  Returns:
  an iterator over the items submitted by eperson
  
  Throws:
  
  SQLException
- findBySubmitterDateSorted
```
public Iterator<Item> findBySubmitterDateSorted(Context context,
                                       EPerson eperson,
                                       Integer limit)
                                         throws SQLException
```
  Description copied from interface: ItemService
  
  Retrieve the list of Items submitted by eperson, ordered by recently submitted, optionally limitable
  
  Specified by:
  
  findBySubmitterDateSorted in interface ItemService
  
  limit - a positive integer to limit, -1 or null for unlimited
  
  Returns:
  
  Throws:
  
  SQLException
- findByCollection
```
public Iterator<Item> findByCollection(Context context,
                              Collection collection)
                                throws SQLException
```
  Description copied from interface: ItemService
  
  Get all the items in this collection. The order is indeterminate.
  
  Specified by:
  
  findByCollection in interface ItemService
  
  Returns:
  an iterator over the items in the collection.
  
  Throws:
  
  SQLException
- findByCollection
```
public Iterator<Item> findByCollection(Context context,
                              Collection collection,
                              Integer limit,
                              Integer offset)
                                throws SQLException
```
  Description copied from interface: ItemService
  
  Get all the items in this collection. The order is indeterminate.
  
  Specified by:
  
  findByCollection in interface ItemService
  
  Returns:
  an iterator over the items in the collection.
  
  Throws:
  
  SQLException
- findAllByCollection
```
public Iterator<Item> findAllByCollection(Context context,
                                 Collection collection)
                                   throws SQLException
```
  Description copied from interface: ItemService
  
  Get all the items in this collection. The order is indeterminate.
  
  Specified by:
  
  findAllByCollection in interface ItemService
  
  Returns:
  an iterator over the items in the collection.
  
  Throws:
  
  SQLException
- findInArchiveOrWithdrawnDiscoverableModifiedSince
```
public Iterator<Item> findInArchiveOrWithdrawnDiscoverableModifiedSince(Context context,
                                                               Date since)
                                                                 throws SQLException
```
  Description copied from interface: ItemService
  
  Get all Items installed or withdrawn, discoverable, and modified since a Date.
  
  Specified by:
  
  findInArchiveOrWithdrawnDiscoverableModifiedSince in interface ItemService
  
  since - earliest interesting last-modified date, or null for no date test.
  
  Returns:
  
  Throws:
  
  SQLException
- updateLastModified
```
public void updateLastModified(Context context,
                      Item item)
                        throws SQLException,
                               AuthorizeException
```
  Specified by:
  
  updateLastModified in interface DSpaceObjectService<Item>
  
  Throws:
  
  SQLException
  
  AuthorizeException
- isIn
```
public boolean isIn(Item item,
           Collection collection)
             throws SQLException
```
  Description copied from interface: ItemService
  
  See whether this Item is contained by a given Collection.
  
  Specified by:
  
  isIn in interface ItemService
  
  Returns:
  true if collection contains this Item.
  
  Throws:
  
  SQLException
- getCommunities
```
public List<Community> getCommunities(Context context,
                             Item item)
                               throws SQLException
```
  Description copied from interface: ItemService
  
  Get the communities this item is in. Returns an unordered array of the communities that house the collections this item is in, including parent communities of the owning collections.
  
  Specified by:
  
  getCommunities in interface ItemService
  
  Returns:
  the communities this item is in.
  
  Throws:
  
  SQLException
- getBundles
```
public List<Bundle> getBundles(Item item,
                      String name)
                        throws SQLException
```
  Description copied from interface: ItemService
  
  Get the bundles matching a bundle name (name corresponds roughly to type)
  
  Specified by:
  
  getBundles in interface ItemService
  
  name - name of bundle (ORIGINAL/TEXT/THUMBNAIL)
  
  Returns:
  the bundles in an unordered array
  
  Throws:
  
  SQLException
- addBundle
```
public void addBundle(Context context,
             Item item,
             Bundle bundle)
               throws SQLException,
                      AuthorizeException
```
  Description copied from interface: ItemService
  
  Add an existing bundle to this item. This has immediate effect.
  
  Specified by:
  
  addBundle in interface ItemService
  
  bundle - the bundle to add
  
  Throws:
  
  SQLException
  
  AuthorizeException
- removeBundle
```
public void removeBundle(Context context,
                Item item,
                Bundle bundle)
                  throws SQLException,
                         AuthorizeException,
                         IOException
```
  Description copied from interface: ItemService
  
  Remove a bundle. This may result in the bundle being deleted, if the bundle is orphaned.
  
  Specified by:
  
  removeBundle in interface ItemService
  
  bundle - the bundle to remove
  
  Throws:
  
  SQLException
  
  AuthorizeException
  
  IOException
- createSingleBitstream
```
public Bitstream createSingleBitstream(Context context,
                              InputStream is,
                              Item item,
                              String name)
                                throws AuthorizeException,
                                       IOException,
                                       SQLException
```
  Description copied from interface: ItemService
  
  Create a single bitstream in a new bundle. Provided as a convenience method for the most common use.
  
  Specified by:
  
  createSingleBitstream in interface ItemService
  
  is - the stream to create the new bitstream from
  name - is the name of the bundle (ORIGINAL, TEXT, THUMBNAIL)
  
  Returns:
  Bitstream that is created
  
  Throws:
  
  AuthorizeException
  
  IOException
  
  SQLException
- createSingleBitstream
```
public Bitstream createSingleBitstream(Context context,
                              InputStream is,
                              Item item)
                                throws AuthorizeException,
                                       IOException,
                                       SQLException
```
  Description copied from interface: ItemService
  
  Convenience method, calls createSingleBitstream() with name "ORIGINAL"
  
  Specified by:
  
  createSingleBitstream in interface ItemService
  
  is - InputStream
  
  Returns:
  created bitstream
  
  Throws:
  
  AuthorizeException
  
  IOException
  
  SQLException
- getNonInternalBitstreams
```
public List<Bitstream> getNonInternalBitstreams(Context context,
                                       Item item)
                                         throws SQLException
```
  Description copied from interface: ItemService
  
  Get all non-internal bitstreams in the item. This is mainly used for auditing for provenance messages and adding format.* DC values. The order is indeterminate.
  
  Specified by:
  
  getNonInternalBitstreams in interface ItemService
  
  Returns:
  non-internal bitstreams.
  
  Throws:
  
  SQLException
- createItem
```
protected Item createItem(Context context)
                   throws SQLException,
                          AuthorizeException
```
  Throws:
  
  SQLException
  
  AuthorizeException
- removeDSpaceLicense
```
public void removeDSpaceLicense(Context context,
                       Item item)
                         throws SQLException,
                                AuthorizeException,
                                IOException
```
  Description copied from interface: ItemService
  
  Remove just the DSpace license from an item This is useful to update the current DSpace license, in case the user must accept the DSpace license again (either the item was rejected, or resumed after saving)
  This method is used by the org.dspace.submit.step.LicenseStep class
  
  Specified by:
  
  removeDSpaceLicense in interface ItemService
  
  Throws:
  
  SQLException
  
  AuthorizeException
  
  IOException
- removeLicenses
```
public void removeLicenses(Context context,
                  Item item)
                    throws SQLException,
                           AuthorizeException,
                           IOException
```
  Description copied from interface: ItemService
  
  Remove all licenses from an item - it was rejected
  
  Specified by:
  
  removeLicenses in interface ItemService
  
  Throws:
  
  SQLException
  
  AuthorizeException
  
  IOException
- update
```
public void update(Context context,
          Item item)
            throws SQLException,
                   AuthorizeException
```
  Specified by:
  
  update in interface DSpaceObjectService<Item>
  
  Overrides:
  
  update in class DSpaceObjectServiceImpl<Item>
  
  Throws:
  
  SQLException
  
  AuthorizeException
- withdraw
```
public void withdraw(Context context,
            Item item)
              throws SQLException,
                     AuthorizeException
```
  Description copied from interface: ItemService
  
  Withdraw the item from the archive. It is kept in place, and the content and metadata are not deleted, but it is not publicly accessible.
  
  Specified by:
  
  withdraw in interface ItemService
  
  Throws:
  
  SQLException
  
  AuthorizeException
- reinstate
```
public void reinstate(Context context,
             Item item)
               throws SQLException,
                      AuthorizeException
```
  Description copied from interface: ItemService
  
  Reinstate a withdrawn item
  
  Specified by:
  
  reinstate in interface ItemService
  
  Throws:
  
  SQLException
  
  AuthorizeException
- delete
```
public void delete(Context context,
          Item item)
            throws SQLException,
                   AuthorizeException,
                   IOException
```
  Specified by:
  
  delete in interface DSpaceObjectService<Item>
  
  Throws:
  
  SQLException
  
  AuthorizeException
  
  IOException
- getSupportsTypeConstant
```
public int getSupportsTypeConstant()
```
  Description copied from interface: DSpaceObjectService
  
  Returns the Constants which this service supports
  
  Specified by:
  
  getSupportsTypeConstant in interface DSpaceObjectLegacySupportService<Item>
  
  Specified by:
  
  getSupportsTypeConstant in interface DSpaceObjectService<Item>
  
  Returns:
  a org.dspace.core.Constants that represents a DSpaceObjct type
- rawDelete
```
protected void rawDelete(Context context,
             Item item)
                  throws AuthorizeException,
                         SQLException,
                         IOException
```
  Throws:
  
  AuthorizeException
  
  SQLException
  
  IOException
- removeAllBundles
```
public void removeAllBundles(Context context,
                    Item item)
                      throws AuthorizeException,
                             SQLException,
                             IOException
```
  Description copied from interface: ItemService
  
  Remove all bundles linked to this item. This may result in the bundle being deleted, if the bundle is orphaned.
  
  Specified by:
  
  removeAllBundles in interface ItemService
  
  item - the item from which to remove our bundles
  
  Throws:
  
  AuthorizeException
  
  SQLException
  
  IOException
- deleteBundle
```
protected void deleteBundle(Context context,
                Item item,
                Bundle b)
                     throws AuthorizeException,
                            SQLException,
                            IOException
```
  Throws:
  
  AuthorizeException
  
  SQLException
  
  IOException
- removeVersion
```
protected void removeVersion(Context context,
                 Item item)
                      throws AuthorizeException,
                             SQLException
```
  Throws:
  
  AuthorizeException
  
  SQLException
- isOwningCollection
```
public boolean isOwningCollection(Item item,
                         Collection collection)
```
  Description copied from interface: ItemService
  
  Return true if this Collection 'owns' this item
  
  Specified by:
  
  isOwningCollection in interface ItemService
  
  collection - Collection
  
  Returns:
  true if this Collection owns this item
- replaceAllItemPolicies
```
public void replaceAllItemPolicies(Context context,
                          Item item,
                          List<ResourcePolicy> newpolicies)
                            throws SQLException,
                                   AuthorizeException
```
  Description copied from interface: ItemService
  
  remove all of the policies for item and replace them with a new list of policies
  
  Specified by:
  
  replaceAllItemPolicies in interface ItemService
  
  newpolicies - - this will be all of the new policies for the item and its contents
  
  Throws:
  
  SQLException
  
  AuthorizeException
- replaceAllBitstreamPolicies
```
public void replaceAllBitstreamPolicies(Context context,
                               Item item,
                               List<ResourcePolicy> newpolicies)
                                 throws SQLException,
                                        AuthorizeException
```
  Description copied from interface: ItemService
  
  remove all of the policies for item's bitstreams and bundles and replace them with a new list of policies
  
  Specified by:
  
  replaceAllBitstreamPolicies in interface ItemService
  
  newpolicies - - this will be all of the new policies for the bundle and bitstream contents
  
  Throws:
  
  SQLException
  
  AuthorizeException
- removeGroupPolicies
```
public void removeGroupPolicies(Context context,
                       Item item,
                       Group group)
                         throws SQLException,
                                AuthorizeException
```
  Description copied from interface: ItemService
  
  remove all of the policies for item's bitstreams and bundles that belong to a given Group
  
  Specified by:
  
  removeGroupPolicies in interface ItemService
  
  group - Group referenced by policies that needs to be removed
  
  Throws:
  
  SQLException
  
  AuthorizeException
- inheritCollectionDefaultPolicies
```
public void inheritCollectionDefaultPolicies(Context context,
                                    Item item,
                                    Collection collection)
                                      throws SQLException,
                                             AuthorizeException
```
  Description copied from interface: ItemService
  
  remove all policies on an item and its contents, and replace them with the DEFAULT_ITEM_READ and DEFAULT_BITSTREAM_READ policies belonging to the collection.
  
  Specified by:
  
  inheritCollectionDefaultPolicies in interface ItemService
  
  collection - Collection
  
  Throws:
  
  SQLException - if an SQL error or if no default policies found. It's a bit draconian, but default policies must be enforced.
  
  AuthorizeException
- adjustBundleBitstreamPolicies
```
public void adjustBundleBitstreamPolicies(Context context,
                                 Item item,
                                 Collection collection)
                                   throws SQLException,
                                          AuthorizeException
```
  Specified by:
  
  adjustBundleBitstreamPolicies in interface ItemService
  
  Throws:
  
  SQLException
  
  AuthorizeException
- adjustItemPolicies
```
public void adjustItemPolicies(Context context,
                      Item item,
                      Collection collection)
                        throws SQLException,
                               AuthorizeException
```
  Specified by:
  
  adjustItemPolicies in interface ItemService
  
  Throws:
  
  SQLException
  
  AuthorizeException
- move
```
public void move(Context context,
        Item item,
        Collection from,
        Collection to)
          throws SQLException,
                 AuthorizeException,
                 IOException
```
  Description copied from interface: ItemService
  
  Moves the item from one collection to another one
  
  Specified by:
  
  move in interface ItemService
  
  Throws:
  
  SQLException
  
  AuthorizeException
  
  IOException
- move
```
public void move(Context context,
        Item item,
        Collection from,
        Collection to,
        boolean inheritDefaultPolicies)
          throws SQLException,
                 AuthorizeException,
                 IOException
```
  Description copied from interface: ItemService
  
  Moves the item from one collection to another one
  
  Specified by:
  
  move in interface ItemService
  
  Throws:
  
  SQLException
  
  AuthorizeException
  
  IOException
- hasUploadedFiles
```
public boolean hasUploadedFiles(Item item)
                         throws SQLException
```
  Description copied from interface: ItemService
  
  Check the bundle ORIGINAL to see if there are any uploaded files
  
  Specified by:
  
  hasUploadedFiles in interface ItemService
  
  Returns:
  true if there is a bundle named ORIGINAL with one or more bitstreams inside
  
  Throws:
  
  SQLException
- getCollectionsNotLinked
```
public List<Collection> getCollectionsNotLinked(Context context,
                                       Item item)
                                         throws SQLException
```
  Description copied from interface: ItemService
  
  Get the collections this item is not in.
  
  Specified by:
  
  getCollectionsNotLinked in interface ItemService
  
  Returns:
  the collections this item is not in, if any.
  
  Throws:
  
  SQLException
- canEdit
```
public boolean canEdit(Context context,
              Item item)
                throws SQLException
```
  Description copied from interface: ItemService
  
  return TRUE if context's user can edit item, false otherwise
  
  Specified by:
  
  canEdit in interface ItemService
  
  Returns:
  boolean true = current user can edit item
  
  Throws:
  
  SQLException
- filterPoliciesToAdd
```
protected List<ResourcePolicy> filterPoliciesToAdd(Context context,
                                       List<ResourcePolicy> defaultCollectionPolicies,
                                       DSpaceObject dso)
                                            throws SQLException,
                                                   AuthorizeException
```
  Throws:
  
  SQLException
  
  AuthorizeException
- findByMetadataField
```
public Iterator<Item> findByMetadataField(Context context,
                                 String schema,
                                 String element,
                                 String qualifier,
                                 String value)
                                   throws SQLException,
                                          AuthorizeException,
                                          IOException
```
  Returns an iterator of Items possessing the passed metadata field, or only those matching the passed value, if value is not Item.ANY
  
  Specified by:
  
  findByMetadataField in interface ItemService
  
  Parameters:
  context - DSpace context object
  schema - metadata field schema
  element - metadata field element
  qualifier - metadata field qualifier
  value - field value or Item.ANY to match any value
  
  Returns:
  an iterator over the items matching that authority value
  
  Throws:
  
  SQLException, - AuthorizeException, IOException
  
  SQLException
  
  AuthorizeException
  
  IOException
- findByMetadataQuery
```
public Iterator<Item> findByMetadataQuery(Context context,
                                 List<List<MetadataField>> listFieldList,
                                 List<String> query_op,
                                 List<String> query_val,
                                 List<UUID> collectionUuids,
                                 String regexClause,
                                 int offset,
                                 int limit)
                                   throws SQLException,
                                          AuthorizeException,
                                          IOException
```
  Specified by:
  
  findByMetadataQuery in interface ItemService
  
  Throws:
  
  SQLException
  
  AuthorizeException
  
  IOException
- getAdminObject
```
public DSpaceObject getAdminObject(Context context,
                          Item item,
                          int action)
                            throws SQLException
```
  Description copied from interface: DSpaceObjectService
  
  Return the dspace object where an ADMIN action right is sufficient to grant the initial authorize check.
  Default behaviour is ADMIN right on the object grant right on all other action on the object itself. Subclass should override this method as needed.
  
  Specified by:
  
  getAdminObject in interface DSpaceObjectService<Item>
  
  Overrides:
  
  getAdminObject in class DSpaceObjectServiceImpl<Item>
  
  action - ID of action being attempted, from org.dspace.core.Constants. The ADMIN action is not a valid parameter for this method, an IllegalArgumentException should be thrown
  
  Returns:
  the dspace object, if any, where an ADMIN action is sufficient to grant the original action
  
  Throws:
  
  SQLException
- getParentObject
```
public DSpaceObject getParentObject(Context context,
                           Item item)
                             throws SQLException
```
  Description copied from interface: DSpaceObjectService
  
  Return the dspace object that "own" the current object in the hierarchy. Note that this method has a meaning slightly different from the getAdminObject because it is independent of the action but it is in a way related to it. It defines the "first" dspace object OTHER then the current one, where allowed ADMIN actions imply allowed ADMIN actions on the object self.
  
  Specified by:
  
  getParentObject in interface DSpaceObjectService<Item>
  
  Overrides:
  
  getParentObject in class DSpaceObjectServiceImpl<Item>
  
  Returns:
  the dspace object that "own" the current object in the hierarchy
  
  Throws:
  
  SQLException
- findByAuthorityValue
```
public Iterator<Item> findByAuthorityValue(Context context,
                                  String schema,
                                  String element,
                                  String qualifier,
                                  String value)
                                    throws SQLException,
                                           AuthorizeException
```
  Description copied from interface: ItemService
  
  Find all the items in the archive with a given authority key value in the indicated metadata field.
  
  Specified by:
  
  findByAuthorityValue in interface ItemService
  
  Parameters:
  context - DSpace context object
  schema - metadata field schema
  element - metadata field element
  qualifier - metadata field qualifier
  value - the value of authority key to look for
  
  Returns:
  an iterator over the items matching that authority value
  
  Throws:
  
  SQLException
  
  AuthorizeException
- findByMetadataFieldAuthority
```
public Iterator<Item> findByMetadataFieldAuthority(Context context,
                                          String mdString,
                                          String authority)
                                            throws SQLException,
                                                   AuthorizeException
```
  Specified by:
  
  findByMetadataFieldAuthority in interface ItemService
  
  Throws:
  
  SQLException
  
  AuthorizeException
- isItemListedForUser
```
public boolean isItemListedForUser(Context context,
                          Item item)
```
  Description copied from interface: ItemService
  
  Service method for knowing if this Item should be visible in the item list. Items only show up in the "item list" if the user has READ permission and if the Item isn't flagged as unlisted.
  
  Specified by:
  
  isItemListedForUser in interface ItemService
  
  Returns:
- countItems
```
public int countItems(Context context,
             Collection collection)
               throws SQLException
```
  Description copied from interface: ItemService
  
  counts items in the given collection
  
  Specified by:
  
  countItems in interface ItemService
  
  Returns:
  total items
  
  Throws:
  
  SQLException
- countItems
```
public int countItems(Context context,
             Community community)
               throws SQLException
```
  Description copied from interface: ItemService
  
  counts items in the given community
  
  Specified by:
  
  countItems in interface ItemService
  
  Returns:
  total items
  
  Throws:
  
  SQLException
- getAuthoritiesAndConfidences
```
protected void getAuthoritiesAndConfidences(String fieldKey,
                                Collection collection,
                                List<String> values,
                                List<String> authorities,
                                List<Integer> confidences,
                                int i)
```
  Overrides:
  
  getAuthoritiesAndConfidences in class DSpaceObjectServiceImpl<Item>
- findByIdOrLegacyId
```
public Item findByIdOrLegacyId(Context context,
                      String id)
                        throws SQLException
```
  Specified by:
  
  findByIdOrLegacyId in interface DSpaceObjectLegacySupportService<Item>
  
  Throws:
  
  SQLException
- findByLegacyId
```
public Item findByLegacyId(Context context,
                  int id)
                    throws SQLException
```
  Description copied from interface: DSpaceObjectLegacySupportService
  
  Generic find for when the precise type of a DSO is not known, just the a pair of type number and database ID.
  
  Specified by:
  
  findByLegacyId in interface DSpaceObjectLegacySupportService<Item>
  
  Parameters:
  context - - the context
  id - - the legacy id within table of type'd objects
  
  Returns:
  the object found, or null if it does not exist.
  
  Throws:
  
  SQLException - only upon failure accessing the database.
- findByLastModifiedSince
```
public Iterator<Item> findByLastModifiedSince(Context context,
                                     Date last)
                                       throws SQLException
```
  Description copied from interface: ItemService
  
  Find all Items modified since a Date.
  
  Specified by:
  
  findByLastModifiedSince in interface ItemService
  
  last - Earliest interesting last-modified date.
  
  Returns:
  
  Throws:
  
  SQLException
- countTotal
```
public int countTotal(Context context)
               throws SQLException
```
  Specified by:
  
  countTotal in interface ItemService
  
  Throws:
  
  SQLException
- countNotArchivedItems
```
public int countNotArchivedItems(Context context)
                          throws SQLException
```
  Specified by:
  
  countNotArchivedItems in interface ItemService
  
  Throws:
  
  SQLException
- countWithdrawnItems
```
public int countWithdrawnItems(Context context)
                        throws SQLException
```
  Specified by:
  
  countWithdrawnItems in interface ItemService
  
  Throws:
  
  SQLException

Class ItemServiceImpl

Field Summary

Fields inherited from class org.dspace.content.DSpaceObjectServiceImpl

Constructor Summary

Method Summary

Methods inherited from class org.dspace.content.DSpaceObjectServiceImpl

Methods inherited from class java.lang.Object

Methods inherited from interface org.dspace.content.service.DSpaceObjectService

Field Detail

itemDAO

communityService

authorizeService

bundleService

bitstreamFormatService

metadataSchemaService

bitstreamService

installItemService

resourcePolicyService

collectionService

identifierService

versioningService

Constructor Detail

ItemServiceImpl

Method Detail

getThumbnail

find

create

createTemplateItem

findAll

findAllUnfiltered

findBySubmitter

findBySubmitterDateSorted

findByCollection

findByCollection

findAllByCollection

findInArchiveOrWithdrawnDiscoverableModifiedSince

updateLastModified

isIn

getCommunities

getBundles

addBundle

removeBundle

createSingleBitstream

createSingleBitstream

getNonInternalBitstreams

createItem

removeDSpaceLicense

removeLicenses

update

withdraw

reinstate

delete

getSupportsTypeConstant

rawDelete

removeAllBundles

deleteBundle

removeVersion

isOwningCollection

replaceAllItemPolicies

replaceAllBitstreamPolicies

removeGroupPolicies

inheritCollectionDefaultPolicies

adjustBundleBitstreamPolicies

adjustItemPolicies

move

move

hasUploadedFiles

getCollectionsNotLinked

canEdit

filterPoliciesToAdd

findByMetadataField

findByMetadataQuery

getAdminObject

getParentObject

findByAuthorityValue

findByMetadataFieldAuthority

isItemListedForUser

countItems

countItems

getAuthoritiesAndConfidences