cz.cuni.amis.pogamut.pogamutlevelmetadata
Interface ILevelMetaDataProvider<ObjectId>

Type Parameters:

ObjectId - type that uniquely identifies an object in the level.

All Known Implementing Classes:

AbstractFilteringLevelMetaDataProvider, AbstractLevelMetadataProvider, ListLevelMetaDataProvider

public interface ILevelMetaDataProvider<ObjectId>

Basic interface for all classes that provide metadata for particular level.

Author:

Martin Cerny

Method Summary

List<IConnectedMetaData<? extends ObjectId>>	getAllConnectedMetaData(ObjectId targetObject) Returns all metadata connected to a certain object.
List<Object>	getAllMetaData() Gets all metadata avaliable, regardless of class.
<T extends IConnectedMetaData<? extends ObjectId>> List<T>	getConnectedMetaData(ObjectId targetObject, Class<T> clazz) Returns all metadata of particular class connected to a certain object
<T> List<T>	getMetaData(Class<T> clazz) Returns all metadata of a particular class.
<T extends IConnectedMetaData<? extends ObjectId>> T	getSingleConnectedMetaData(ObjectId targetObject, Class<T> clazz) Returns singleton metadata instance of a particular class connected to a certain object.
<T> T	getSingleMetaData(Class<T> clazz) Returns singleton metadata instance of a particular class.

Method Detail

getAllMetaData

List<Object> getAllMetaData()

Gets all metadata avaliable, regardless of class. Returns all metadata connected to some particular object as well.

Returns:

getMetaData

<T> List<T> getMetaData(Class<T> clazz)

Returns all metadata of a particular class.

Type Parameters:

T -

Parameters:

clazz - the type of metadata to be returned.

Returns:

getSingleMetaData

<T> T getSingleMetaData(Class<T> clazz)

Returns singleton metadata instance of a particular class.

Type Parameters:

T -

Parameters:

clazz - the class of metadata to be returned

Returns:

Throws:

NoUniqueMetaDataException - if there are more or less than one candidates to be returned.

getAllConnectedMetaData

List<IConnectedMetaData<? extends ObjectId>> getAllConnectedMetaData(ObjectId targetObject)

Returns all metadata connected to a certain object.

Parameters:

targetObject -

Returns:

getConnectedMetaData

<T extends IConnectedMetaData<? extends ObjectId>> List<T> getConnectedMetaData(ObjectId targetObject,
                                                                                Class<T> clazz)

Returns all metadata of particular class connected to a certain object

Type Parameters:

T -

Parameters:

targetObject -

clazz - the class of metadata to be returned

Returns:

getSingleConnectedMetaData

<T extends IConnectedMetaData<? extends ObjectId>> T getSingleConnectedMetaData(ObjectId targetObject,
                                                                                Class<T> clazz)

Returns singleton metadata instance of a particular class connected to a certain object.

Type Parameters:

T -

Parameters:

clazz - the class of metadata to be returned

targetObject -

Returns:

Throws:

NoUniqueMetaDataException - if there are more or less than one candidates to be returned.