com.liferay.portlet.dynamicdatamapping.service.persistence
Interface DDMContentPersistence

All Superinterfaces:

BasePersistence<DDMContent>

public interface DDMContentPersistence
extends BasePersistence<DDMContent>

The persistence interface for the d d m content service.

Caching information and settings can be found in portal.properties

See Also:

DDMContentPersistenceImpl, DDMContentUtil

Method Summary

void	cacheResult(DDMContent ddmContent) Caches the d d m content in the entity cache if it is enabled.
void	cacheResult(List<DDMContent> ddmContents) Caches the d d m contents in the entity cache if it is enabled.
int	countAll() Returns the number of d d m contents.
int	countByCompanyId(long companyId) Returns the number of d d m contents where companyId = ?.
int	countByGroupId(long groupId) Returns the number of d d m contents where groupId = ?.
int	countByUUID_G(String uuid, long groupId) Returns the number of d d m contents where uuid = ? and groupId = ?.
int	countByUuid(String uuid) Returns the number of d d m contents where uuid = ?.
DDMContent	create(long contentId) Creates a new d d m content with the primary key.
DDMContent	fetchByCompanyId_First(long companyId, OrderByComparator orderByComparator) Returns the first d d m content in the ordered set where companyId = ?.
DDMContent	fetchByCompanyId_Last(long companyId, OrderByComparator orderByComparator) Returns the last d d m content in the ordered set where companyId = ?.
DDMContent	fetchByGroupId_First(long groupId, OrderByComparator orderByComparator) Returns the first d d m content in the ordered set where groupId = ?.
DDMContent	fetchByGroupId_Last(long groupId, OrderByComparator orderByComparator) Returns the last d d m content in the ordered set where groupId = ?.
DDMContent	fetchByPrimaryKey(long contentId) Returns the d d m content with the primary key or returns null if it could not be found.
DDMContent	fetchByUuid_First(String uuid, OrderByComparator orderByComparator) Returns the first d d m content in the ordered set where uuid = ?.
DDMContent	fetchByUUID_G(String uuid, long groupId) Returns the d d m content where uuid = ? and groupId = ? or returns null if it could not be found.
DDMContent	fetchByUUID_G(String uuid, long groupId, boolean retrieveFromCache) Returns the d d m content where uuid = ? and groupId = ? or returns null if it could not be found, optionally using the finder cache.
DDMContent	fetchByUuid_Last(String uuid, OrderByComparator orderByComparator) Returns the last d d m content in the ordered set where uuid = ?.
List<DDMContent>	findAll() Returns all the d d m contents.
List<DDMContent>	findAll(int start, int end) Returns a range of all the d d m contents.
List<DDMContent>	findAll(int start, int end, OrderByComparator orderByComparator) Returns an ordered range of all the d d m contents.
DDMContent	findByCompanyId_First(long companyId, OrderByComparator orderByComparator) Returns the first d d m content in the ordered set where companyId = ?.
DDMContent	findByCompanyId_Last(long companyId, OrderByComparator orderByComparator) Returns the last d d m content in the ordered set where companyId = ?.
DDMContent[]	findByCompanyId_PrevAndNext(long contentId, long companyId, OrderByComparator orderByComparator) Returns the d d m contents before and after the current d d m content in the ordered set where companyId = ?.
List<DDMContent>	findByCompanyId(long companyId) Returns all the d d m contents where companyId = ?.
List<DDMContent>	findByCompanyId(long companyId, int start, int end) Returns a range of all the d d m contents where companyId = ?.
List<DDMContent>	findByCompanyId(long companyId, int start, int end, OrderByComparator orderByComparator) Returns an ordered range of all the d d m contents where companyId = ?.
DDMContent	findByGroupId_First(long groupId, OrderByComparator orderByComparator) Returns the first d d m content in the ordered set where groupId = ?.
DDMContent	findByGroupId_Last(long groupId, OrderByComparator orderByComparator) Returns the last d d m content in the ordered set where groupId = ?.
DDMContent[]	findByGroupId_PrevAndNext(long contentId, long groupId, OrderByComparator orderByComparator) Returns the d d m contents before and after the current d d m content in the ordered set where groupId = ?.
List<DDMContent>	findByGroupId(long groupId) Returns all the d d m contents where groupId = ?.
List<DDMContent>	findByGroupId(long groupId, int start, int end) Returns a range of all the d d m contents where groupId = ?.
List<DDMContent>	findByGroupId(long groupId, int start, int end, OrderByComparator orderByComparator) Returns an ordered range of all the d d m contents where groupId = ?.
DDMContent	findByPrimaryKey(long contentId) Returns the d d m content with the primary key or throws a NoSuchContentException if it could not be found.
DDMContent	findByUuid_First(String uuid, OrderByComparator orderByComparator) Returns the first d d m content in the ordered set where uuid = ?.
DDMContent	findByUUID_G(String uuid, long groupId) Returns the d d m content where uuid = ? and groupId = ? or throws a NoSuchContentException if it could not be found.
DDMContent	findByUuid_Last(String uuid, OrderByComparator orderByComparator) Returns the last d d m content in the ordered set where uuid = ?.
DDMContent[]	findByUuid_PrevAndNext(long contentId, String uuid, OrderByComparator orderByComparator) Returns the d d m contents before and after the current d d m content in the ordered set where uuid = ?.
List<DDMContent>	findByUuid(String uuid) Returns all the d d m contents where uuid = ?.
List<DDMContent>	findByUuid(String uuid, int start, int end) Returns a range of all the d d m contents where uuid = ?.
List<DDMContent>	findByUuid(String uuid, int start, int end, OrderByComparator orderByComparator) Returns an ordered range of all the d d m contents where uuid = ?.
DDMContent	remove(long contentId) Removes the d d m content with the primary key from the database.
void	removeAll() Removes all the d d m contents from the database.
void	removeByCompanyId(long companyId) Removes all the d d m contents where companyId = ? from the database.
void	removeByGroupId(long groupId) Removes all the d d m contents where groupId = ? from the database.
DDMContent	removeByUUID_G(String uuid, long groupId) Removes the d d m content where uuid = ? and groupId = ? from the database.
void	removeByUuid(String uuid) Removes all the d d m contents where uuid = ? from the database.
DDMContent	updateImpl(DDMContent ddmContent, boolean merge)

Methods inherited from interface com.liferay.portal.service.persistence.BasePersistence

clearCache, clearCache, clearCache, closeSession, countWithDynamicQuery, fetchByPrimaryKey, findByPrimaryKey, findWithDynamicQuery, findWithDynamicQuery, findWithDynamicQuery, getDataSource, getListeners, openSession, processException, registerListener, remove, remove, setDataSource, unregisterListener, update, update

Method Detail

cacheResult

void cacheResult(DDMContent ddmContent)

Caches the d d m content in the entity cache if it is enabled.

Parameters:

ddmContent - the d d m content

cacheResult

void cacheResult(List<DDMContent> ddmContents)

Caches the d d m contents in the entity cache if it is enabled.

Parameters:

ddmContents - the d d m contents

create

DDMContent create(long contentId)

Creates a new d d m content with the primary key. Does not add the d d m content to the database.

Parameters:

contentId - the primary key for the new d d m content

Returns:

the new d d m content

remove

DDMContent remove(long contentId)
                  throws SystemException,
                         NoSuchContentException

Removes the d d m content with the primary key from the database. Also notifies the appropriate model listeners.

Parameters:

contentId - the primary key of the d d m content

Returns:

the d d m content that was removed

Throws:

NoSuchContentException - if a d d m content with the primary key could not be found

SystemException - if a system exception occurred

updateImpl

DDMContent updateImpl(DDMContent ddmContent,
                      boolean merge)
                      throws SystemException

Throws:

SystemException

findByPrimaryKey

DDMContent findByPrimaryKey(long contentId)
                            throws SystemException,
                                   NoSuchContentException

Returns the d d m content with the primary key or throws a NoSuchContentException if it could not be found.

Parameters:

contentId - the primary key of the d d m content

Returns:

the d d m content

Throws:

NoSuchContentException - if a d d m content with the primary key could not be found

SystemException - if a system exception occurred

fetchByPrimaryKey

DDMContent fetchByPrimaryKey(long contentId)
                             throws SystemException

Returns the d d m content with the primary key or returns null if it could not be found.

Parameters:

contentId - the primary key of the d d m content

Returns:

the d d m content, or null if a d d m content with the primary key could not be found

Throws:

SystemException - if a system exception occurred

findByUuid

List<DDMContent> findByUuid(String uuid)
                            throws SystemException

Returns all the d d m contents where uuid = ?.

Parameters:

uuid - the uuid

Returns:

the matching d d m contents

Throws:

SystemException - if a system exception occurred

findByUuid

List<DDMContent> findByUuid(String uuid,
                            int start,
                            int end)
                            throws SystemException

Returns a range of all the d d m contents where uuid = ?.

Useful when paginating results. Returns a maximum of end - start instances. start and end are not primary keys, they are indexes in the result set. Thus, 0 refers to the first result in the set. Setting both start and end to QueryUtil.ALL_POS will return the full result set.

Parameters:

uuid - the uuid

start - the lower bound of the range of d d m contents

end - the upper bound of the range of d d m contents (not inclusive)

Returns:

the range of matching d d m contents

Throws:

SystemException - if a system exception occurred

findByUuid

List<DDMContent> findByUuid(String uuid,
                            int start,
                            int end,
                            OrderByComparator orderByComparator)
                            throws SystemException

Returns an ordered range of all the d d m contents where uuid = ?.

Useful when paginating results. Returns a maximum of end - start instances. start and end are not primary keys, they are indexes in the result set. Thus, 0 refers to the first result in the set. Setting both start and end to QueryUtil.ALL_POS will return the full result set.

Parameters:

uuid - the uuid

start - the lower bound of the range of d d m contents

end - the upper bound of the range of d d m contents (not inclusive)

orderByComparator - the comparator to order the results by (optionally null)

Returns:

the ordered range of matching d d m contents

Throws:

SystemException - if a system exception occurred

findByUuid_First

DDMContent findByUuid_First(String uuid,
                            OrderByComparator orderByComparator)
                            throws SystemException,
                                   NoSuchContentException

Returns the first d d m content in the ordered set where uuid = ?.

Parameters:

uuid - the uuid

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the first matching d d m content

Throws:

NoSuchContentException - if a matching d d m content could not be found

SystemException - if a system exception occurred

fetchByUuid_First

DDMContent fetchByUuid_First(String uuid,
                             OrderByComparator orderByComparator)
                             throws SystemException

Returns the first d d m content in the ordered set where uuid = ?.

Parameters:

uuid - the uuid

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the first matching d d m content, or null if a matching d d m content could not be found

Throws:

SystemException - if a system exception occurred

findByUuid_Last

DDMContent findByUuid_Last(String uuid,
                           OrderByComparator orderByComparator)
                           throws SystemException,
                                  NoSuchContentException

Returns the last d d m content in the ordered set where uuid = ?.

Parameters:

uuid - the uuid

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the last matching d d m content

Throws:

NoSuchContentException - if a matching d d m content could not be found

SystemException - if a system exception occurred

fetchByUuid_Last

DDMContent fetchByUuid_Last(String uuid,
                            OrderByComparator orderByComparator)
                            throws SystemException

Returns the last d d m content in the ordered set where uuid = ?.

Parameters:

uuid - the uuid

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the last matching d d m content, or null if a matching d d m content could not be found

Throws:

SystemException - if a system exception occurred

findByUuid_PrevAndNext

DDMContent[] findByUuid_PrevAndNext(long contentId,
                                    String uuid,
                                    OrderByComparator orderByComparator)
                                    throws SystemException,
                                           NoSuchContentException

Returns the d d m contents before and after the current d d m content in the ordered set where uuid = ?.

Parameters:

contentId - the primary key of the current d d m content

uuid - the uuid

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the previous, current, and next d d m content

Throws:

NoSuchContentException - if a d d m content with the primary key could not be found

SystemException - if a system exception occurred

findByUUID_G

DDMContent findByUUID_G(String uuid,
                        long groupId)
                        throws SystemException,
                               NoSuchContentException

Returns the d d m content where uuid = ? and groupId = ? or throws a NoSuchContentException if it could not be found.

Parameters:

uuid - the uuid

groupId - the group ID

Returns:

the matching d d m content

Throws:

NoSuchContentException - if a matching d d m content could not be found

SystemException - if a system exception occurred

fetchByUUID_G

DDMContent fetchByUUID_G(String uuid,
                         long groupId)
                         throws SystemException

Returns the d d m content where uuid = ? and groupId = ? or returns null if it could not be found. Uses the finder cache.

Parameters:

uuid - the uuid

groupId - the group ID

Returns:

the matching d d m content, or null if a matching d d m content could not be found

Throws:

SystemException - if a system exception occurred

fetchByUUID_G

DDMContent fetchByUUID_G(String uuid,
                         long groupId,
                         boolean retrieveFromCache)
                         throws SystemException

Returns the d d m content where uuid = ? and groupId = ? or returns null if it could not be found, optionally using the finder cache.

Parameters:

uuid - the uuid

groupId - the group ID

retrieveFromCache - whether to use the finder cache

Returns:

the matching d d m content, or null if a matching d d m content could not be found

Throws:

SystemException - if a system exception occurred

findByGroupId

List<DDMContent> findByGroupId(long groupId)
                               throws SystemException

Returns all the d d m contents where groupId = ?.

Parameters:

groupId - the group ID

Returns:

the matching d d m contents

Throws:

SystemException - if a system exception occurred

findByGroupId

List<DDMContent> findByGroupId(long groupId,
                               int start,
                               int end)
                               throws SystemException

Returns a range of all the d d m contents where groupId = ?.

Useful when paginating results. Returns a maximum of end - start instances. start and end are not primary keys, they are indexes in the result set. Thus, 0 refers to the first result in the set. Setting both start and end to QueryUtil.ALL_POS will return the full result set.

Parameters:

groupId - the group ID

start - the lower bound of the range of d d m contents

end - the upper bound of the range of d d m contents (not inclusive)

Returns:

the range of matching d d m contents

Throws:

SystemException - if a system exception occurred

findByGroupId

List<DDMContent> findByGroupId(long groupId,
                               int start,
                               int end,
                               OrderByComparator orderByComparator)
                               throws SystemException

Returns an ordered range of all the d d m contents where groupId = ?.

Useful when paginating results. Returns a maximum of end - start instances. start and end are not primary keys, they are indexes in the result set. Thus, 0 refers to the first result in the set. Setting both start and end to QueryUtil.ALL_POS will return the full result set.

Parameters:

groupId - the group ID

start - the lower bound of the range of d d m contents

end - the upper bound of the range of d d m contents (not inclusive)

orderByComparator - the comparator to order the results by (optionally null)

Returns:

the ordered range of matching d d m contents

Throws:

SystemException - if a system exception occurred

findByGroupId_First

DDMContent findByGroupId_First(long groupId,
                               OrderByComparator orderByComparator)
                               throws SystemException,
                                      NoSuchContentException

Returns the first d d m content in the ordered set where groupId = ?.

Parameters:

groupId - the group ID

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the first matching d d m content

Throws:

NoSuchContentException - if a matching d d m content could not be found

SystemException - if a system exception occurred

fetchByGroupId_First

DDMContent fetchByGroupId_First(long groupId,
                                OrderByComparator orderByComparator)
                                throws SystemException

Returns the first d d m content in the ordered set where groupId = ?.

Parameters:

groupId - the group ID

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the first matching d d m content, or null if a matching d d m content could not be found

Throws:

SystemException - if a system exception occurred

findByGroupId_Last

DDMContent findByGroupId_Last(long groupId,
                              OrderByComparator orderByComparator)
                              throws SystemException,
                                     NoSuchContentException

Returns the last d d m content in the ordered set where groupId = ?.

Parameters:

groupId - the group ID

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the last matching d d m content

Throws:

NoSuchContentException - if a matching d d m content could not be found

SystemException - if a system exception occurred

fetchByGroupId_Last

DDMContent fetchByGroupId_Last(long groupId,
                               OrderByComparator orderByComparator)
                               throws SystemException

Returns the last d d m content in the ordered set where groupId = ?.

Parameters:

groupId - the group ID

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the last matching d d m content, or null if a matching d d m content could not be found

Throws:

SystemException - if a system exception occurred

findByGroupId_PrevAndNext

DDMContent[] findByGroupId_PrevAndNext(long contentId,
                                       long groupId,
                                       OrderByComparator orderByComparator)
                                       throws SystemException,
                                              NoSuchContentException

Returns the d d m contents before and after the current d d m content in the ordered set where groupId = ?.

Parameters:

contentId - the primary key of the current d d m content

groupId - the group ID

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the previous, current, and next d d m content

Throws:

NoSuchContentException - if a d d m content with the primary key could not be found

SystemException - if a system exception occurred

findByCompanyId

List<DDMContent> findByCompanyId(long companyId)
                                 throws SystemException

Returns all the d d m contents where companyId = ?.

Parameters:

companyId - the company ID

Returns:

the matching d d m contents

Throws:

SystemException - if a system exception occurred

findByCompanyId

List<DDMContent> findByCompanyId(long companyId,
                                 int start,
                                 int end)
                                 throws SystemException

Returns a range of all the d d m contents where companyId = ?.

Useful when paginating results. Returns a maximum of end - start instances. start and end are not primary keys, they are indexes in the result set. Thus, 0 refers to the first result in the set. Setting both start and end to QueryUtil.ALL_POS will return the full result set.

Parameters:

companyId - the company ID

start - the lower bound of the range of d d m contents

end - the upper bound of the range of d d m contents (not inclusive)

Returns:

the range of matching d d m contents

Throws:

SystemException - if a system exception occurred

findByCompanyId

List<DDMContent> findByCompanyId(long companyId,
                                 int start,
                                 int end,
                                 OrderByComparator orderByComparator)
                                 throws SystemException

Returns an ordered range of all the d d m contents where companyId = ?.

Useful when paginating results. Returns a maximum of end - start instances. start and end are not primary keys, they are indexes in the result set. Thus, 0 refers to the first result in the set. Setting both start and end to QueryUtil.ALL_POS will return the full result set.

Parameters:

companyId - the company ID

start - the lower bound of the range of d d m contents

end - the upper bound of the range of d d m contents (not inclusive)

orderByComparator - the comparator to order the results by (optionally null)

Returns:

the ordered range of matching d d m contents

Throws:

SystemException - if a system exception occurred

findByCompanyId_First

DDMContent findByCompanyId_First(long companyId,
                                 OrderByComparator orderByComparator)
                                 throws SystemException,
                                        NoSuchContentException

Returns the first d d m content in the ordered set where companyId = ?.

Parameters:

companyId - the company ID

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the first matching d d m content

Throws:

NoSuchContentException - if a matching d d m content could not be found

SystemException - if a system exception occurred

fetchByCompanyId_First

DDMContent fetchByCompanyId_First(long companyId,
                                  OrderByComparator orderByComparator)
                                  throws SystemException

Returns the first d d m content in the ordered set where companyId = ?.

Parameters:

companyId - the company ID

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the first matching d d m content, or null if a matching d d m content could not be found

Throws:

SystemException - if a system exception occurred

findByCompanyId_Last

DDMContent findByCompanyId_Last(long companyId,
                                OrderByComparator orderByComparator)
                                throws SystemException,
                                       NoSuchContentException

Returns the last d d m content in the ordered set where companyId = ?.

Parameters:

companyId - the company ID

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the last matching d d m content

Throws:

NoSuchContentException - if a matching d d m content could not be found

SystemException - if a system exception occurred

fetchByCompanyId_Last

DDMContent fetchByCompanyId_Last(long companyId,
                                 OrderByComparator orderByComparator)
                                 throws SystemException

Returns the last d d m content in the ordered set where companyId = ?.

Parameters:

companyId - the company ID

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the last matching d d m content, or null if a matching d d m content could not be found

Throws:

SystemException - if a system exception occurred

findByCompanyId_PrevAndNext

DDMContent[] findByCompanyId_PrevAndNext(long contentId,
                                         long companyId,
                                         OrderByComparator orderByComparator)
                                         throws SystemException,
                                                NoSuchContentException

Returns the d d m contents before and after the current d d m content in the ordered set where companyId = ?.

Parameters:

contentId - the primary key of the current d d m content

companyId - the company ID

orderByComparator - the comparator to order the set by (optionally null)

Returns:

the previous, current, and next d d m content

Throws:

NoSuchContentException - if a d d m content with the primary key could not be found

SystemException - if a system exception occurred

findAll

List<DDMContent> findAll()
                         throws SystemException

Returns all the d d m contents.

Returns:

the d d m contents

Throws:

SystemException - if a system exception occurred

findAll

List<DDMContent> findAll(int start,
                         int end)
                         throws SystemException

Returns a range of all the d d m contents.

Useful when paginating results. Returns a maximum of end - start instances. start and end are not primary keys, they are indexes in the result set. Thus, 0 refers to the first result in the set. Setting both start and end to QueryUtil.ALL_POS will return the full result set.

Parameters:

start - the lower bound of the range of d d m contents

end - the upper bound of the range of d d m contents (not inclusive)

Returns:

the range of d d m contents

Throws:

SystemException - if a system exception occurred

findAll

List<DDMContent> findAll(int start,
                         int end,
                         OrderByComparator orderByComparator)
                         throws SystemException

Returns an ordered range of all the d d m contents.

Useful when paginating results. Returns a maximum of end - start instances. start and end are not primary keys, they are indexes in the result set. Thus, 0 refers to the first result in the set. Setting both start and end to QueryUtil.ALL_POS will return the full result set.

Parameters:

start - the lower bound of the range of d d m contents

end - the upper bound of the range of d d m contents (not inclusive)

orderByComparator - the comparator to order the results by (optionally null)

Returns:

the ordered range of d d m contents

Throws:

SystemException - if a system exception occurred

removeByUuid

void removeByUuid(String uuid)
                  throws SystemException

Removes all the d d m contents where uuid = ? from the database.

Parameters:

uuid - the uuid

Throws:

SystemException - if a system exception occurred

removeByUUID_G

DDMContent removeByUUID_G(String uuid,
                          long groupId)
                          throws SystemException,
                                 NoSuchContentException

Removes the d d m content where uuid = ? and groupId = ? from the database.

Parameters:

uuid - the uuid

groupId - the group ID

Returns:

the d d m content that was removed

Throws:

SystemException - if a system exception occurred

NoSuchContentException

removeByGroupId

void removeByGroupId(long groupId)
                     throws SystemException

Removes all the d d m contents where groupId = ? from the database.

Parameters:

groupId - the group ID

Throws:

SystemException - if a system exception occurred

removeByCompanyId

void removeByCompanyId(long companyId)
                       throws SystemException

Removes all the d d m contents where companyId = ? from the database.

Parameters:

companyId - the company ID

Throws:

SystemException - if a system exception occurred

removeAll

void removeAll()
               throws SystemException

Removes all the d d m contents from the database.

Throws:

SystemException - if a system exception occurred

countByUuid

int countByUuid(String uuid)
                throws SystemException

Returns the number of d d m contents where uuid = ?.

Parameters:

uuid - the uuid

Returns:

the number of matching d d m contents

Throws:

SystemException - if a system exception occurred

countByUUID_G

int countByUUID_G(String uuid,
                  long groupId)
                  throws SystemException

Returns the number of d d m contents where uuid = ? and groupId = ?.

Parameters:

uuid - the uuid

groupId - the group ID

Returns:

the number of matching d d m contents

Throws:

SystemException - if a system exception occurred

countByGroupId

int countByGroupId(long groupId)
                   throws SystemException

Returns the number of d d m contents where groupId = ?.

Parameters:

groupId - the group ID

Returns:

the number of matching d d m contents

Throws:

SystemException - if a system exception occurred

countByCompanyId

int countByCompanyId(long companyId)
                     throws SystemException

Returns the number of d d m contents where companyId = ?.

Parameters:

companyId - the company ID

Returns:

the number of matching d d m contents

Throws:

SystemException - if a system exception occurred

countAll

int countAll()
             throws SystemException

Returns the number of d d m contents.

Returns:

the number of d d m contents

Throws:

SystemException - if a system exception occurred