com.atlassian.jira.jql.resolver
Interface NameResolver<T>

All Known Subinterfaces:

UserResolver

public interface NameResolver<T>

Looks up domain objects from the database.

Since:

v4.0

Method Summary

T	get(Long id) Get by id.
Collection<T>	getAll() Gets all domain objects of this type in the underlying database.
List<String>	getIdsFromName(String name) Returns the list of ids of T objects that have the given name.
boolean	idExists(Long id) Returns true if the id would resolve to a domain object.
boolean	nameExists(String name) Returns true if the name would resolve to a domain object.

Method Detail

getIdsFromName

List<String> getIdsFromName(String name)

Returns the list of ids of T objects that have the given name. Names may be unique but often are not, hence the List return type.

Parameters:

name - the name of the T.

Returns:

all IDs of objects matching the name or the empty list on name lookup failure.

nameExists

boolean nameExists(String name)

Returns true if the name would resolve to a domain object.

Parameters:

name - the addressable name.

Returns:

true only if the name resolves to a domain object in the database.

idExists

boolean idExists(Long id)

Returns true if the id would resolve to a domain object.

Parameters:

id - the primary key.

Returns:

true only if the id resolves to a domain object in the database.

get

T get(Long id)

Get by id.

Parameters:

id - the id.

Returns:

the domain object or null on lookup failure.

getAll

@NotNull
Collection<T> getAll()

Gets all domain objects of this type in the underlying database. Note that calling this may not be a good idea for some domain object types.

Returns:

all objects of the configured type in the database (possibly empty, never null).