org.sakaiproject.poll.logic

Interface PollListManager

All Superinterfaces:

EntityProducer

public interface PollListManager
extends EntityProducer

This is the interface for the Manager for our poll tool, it handles the data access functionality of the tool, we currently have 2 implementations (memory and hibernate)

Author:

DH

Field Summary

Fields

Modifier and Type	Field and Description
static String	PERMISSION_ADD
static String	PERMISSION_DELETE_ANY
static String	PERMISSION_DELETE_OWN
static String	PERMISSION_EDIT_ANY
static String	PERMISSION_EDIT_OWN
static String	PERMISSION_VOTE
static String	REF_POLL_TYPE

Method Summary

Modifier and Type	Method and Description
void	deleteOption(Option option) Delete an option from the database.
void	deleteOption(Option option, boolean soft) Delete a poll option, either "hard" or "soft".
boolean	deletePoll(Poll t) Delete a poll
List<Poll>	findAllPolls(String siteId) Gets all the task objects for the site
List<Poll>	findAllPollsForUserAndSitesAndPermission(String userId, String[] siteIds, String permissionConstant) Get all the polls for a user in a set of sites (can be one) given the permission, will return only polls that can be voted on if the permission is PERMISSION_VOTE
Option	getOptionById(Long optionId) Get a specific option by its id
List<Option>	getOptionsForPoll(Long pollId) Get all options for a specific poll
List<Option>	getOptionsForPoll(Poll poll) Get all options for a specific poll
Poll	getPoll(String ref) get a poll by its Entity Reference
Poll	getPollById(Long pollId) Retrieve a specific poll
Poll	getPollById(Long pollId, boolean includeOptions) Retrieve a specific poll
Poll	getPollWithVotes(Long pollId) Get a specific poll with all its votes
List<Option>	getVisibleOptionsForPoll(Long pollId) Get options for the given poll that are not flagged as deleted.
boolean	isAllowedViewResults(Poll poll, String userId) Can the this user view the results for this poll?
boolean	isPollPublic(Poll poll) Is this poll public?
boolean	saveOption(Option t) Save an individual option
boolean	savePoll(Poll t) Save a poll
boolean	userCanDeletePoll(Poll poll) Is user allowed to delete the votes on a poll?

Methods inherited from interface org.sakaiproject.entity.api.EntityProducer

archive, getEntity, getEntityAuthzGroups, getEntityDescription, getEntityResourceProperties, getEntityUrl, getEntityUrl, getHttpAccess, getLabel, merge, parseEntityReference, willArchiveMerge

Field Detail

PERMISSION_VOTE

static final String PERMISSION_VOTE

See Also:

Constant Field Values

PERMISSION_ADD

static final String PERMISSION_ADD

See Also:

Constant Field Values

PERMISSION_DELETE_OWN

static final String PERMISSION_DELETE_OWN

See Also:

Constant Field Values

PERMISSION_DELETE_ANY

static final String PERMISSION_DELETE_ANY

See Also:

Constant Field Values

PERMISSION_EDIT_ANY

static final String PERMISSION_EDIT_ANY

See Also:

Constant Field Values

PERMISSION_EDIT_OWN

static final String PERMISSION_EDIT_OWN

See Also:

Constant Field Values

REF_POLL_TYPE

static final String REF_POLL_TYPE

See Also:

Constant Field Values

Method Detail

deleteOption

void deleteOption(Option option)

Delete an option from the database.

Parameters:

option - - The option to delete

deleteOption

void deleteOption(Option option,
                  boolean soft)

Delete a poll option, either "hard" or "soft".

Parameters:

option - - The option to delete

soft - - true if you want to "soft" delete (flag the 'deleted' field) or false to "hard" delete (remove from database)

deletePoll

boolean deletePoll(Poll t)
            throws SecurityException,
                   IllegalArgumentException

Delete a poll

Parameters:

t - - the poll object to remove

Returns:

- true for success, false if failure

Throws:

SecurityException

IllegalArgumentException

findAllPolls

List<Poll> findAllPolls(String siteId)

Gets all the task objects for the site

Parameters:

siteId - - the siteId of the site

Returns:

- a collection of task objects (empty collection if none found)

findAllPollsForUserAndSitesAndPermission

List<Poll> findAllPollsForUserAndSitesAndPermission(String userId,
                                                    String[] siteIds,
                                                    String permissionConstant)

Get all the polls for a user in a set of sites (can be one) given the permission, will return only polls that can be voted on if the permission is PERMISSION_VOTE

Parameters:

userId - a sakai internal user id (not eid)

siteIds - an array of site ids (can be null or empty to get the polls for all without security check)

permissionConstant - either the PERMISSION_VOTE (for all polls a user can vote on) or PERMISSION_ADD for all the polls the user can control

Returns:

the list of all polls this user can access

getOptionById

Option getOptionById(Long optionId)

Get a specific option by its id

getOptionsForPoll

List<Option> getOptionsForPoll(Long pollId)

Get all options for a specific poll

Parameters:

pollId - the id for a poll

Returns:

all options OR empty if there are no options for this poll

Throws:

IllegalArgumentException - if the pollId is invalid

getVisibleOptionsForPoll

List<Option> getVisibleOptionsForPoll(Long pollId)

Get options for the given poll that are not flagged as deleted.

Parameters:

pollId - the id of the poll

Returns:

the options for the given poll that are not deleted OR empt if there are no "visible" options for this poll

Throws:

IllegalArgumentException - if the pollId is invalid

getOptionsForPoll

List<Option> getOptionsForPoll(Poll poll)

Get all options for a specific poll

Parameters:

the - poll

Returns:

all options OR empty if there are no options for this poll

Throws:

IllegalArgumentException - if the pollId is invalid

getPoll

Poll getPoll(String ref)

get a poll by its Entity Reference

getPollById

Poll getPollById(Long pollId)
          throws SecurityException

Retrieve a specific poll

Parameters:

pollId -

Returns:

a single poll object

Throws:

SecurityException

getPollById

Poll getPollById(Long pollId,
                 boolean includeOptions)
          throws SecurityException

Retrieve a specific poll

Parameters:

pollId -

includeOptions - if true then options included, else no options (poll only)

Returns:

a single poll object

Throws:

SecurityException

getPollWithVotes

Poll getPollWithVotes(Long pollId)

Get a specific poll with all its votes

Parameters:

pollId -

Returns:

a poll object

isAllowedViewResults

boolean isAllowedViewResults(Poll poll,
                             String userId)

Can the this user view the results for this poll?

Parameters:

poll -

userId -

Returns:

true if the user can view this poll

saveOption

boolean saveOption(Option t)

Save an individual option

Parameters:

t -

Returns:

savePoll

boolean savePoll(Poll t)
          throws SecurityException,
                 IllegalArgumentException

Save a poll

Parameters:

t - - the poll object to save

Returns:

- true for success, false if failure

Throws:

SecurityException

IllegalArgumentException

isPollPublic

boolean isPollPublic(Poll poll)

Is this poll public?

Parameters:

poll -

Returns:

userCanDeletePoll

boolean userCanDeletePoll(Poll poll)

Is user allowed to delete the votes on a poll?

Parameters:

poll - - the poll object

Returns:

true or false